PROGRAM OF THE MEETING

Calendar of Events

Sunday, July 23, 1995

Education Council Symposium

10:30 am - 12:00 noon								Room 312

ECS-01 Medical Physics Graduate and Residency Education Programs R. Ritenour, University of Minnesota Medical School, Minneapolis, MN

ECS-02 Continuing Medical Physics Education Opportunities and Credits D. Frey, Medical University of South Carolina, Charleston, SC

ECS-03 Accreditation of Medical Physics Education Programs B. Paliwal, University of Wisconsin CSC, Madison, WI

Professional Council Symposium

1:30 pm - 3:30 pm								Room 210

Professionalism in Medical Physics: How's Your Image

PCS-01 Healthcare Reform/Survival of the Fittest G. Ibbott, University of Kentucky Medical Center, Lexington, KY

PCS-02 Enhancing Physicist's Profile in the Academic Setting F. Khan, University of Minnesota Hospital, Minneapolis, MN

PCS-03 Enhancing the `Medical Physicist' Image in the Community Hospital Setting N. Detorie, Richland Memorial Hospital, Columbia, SC

PCS-04 If It's Tuesday, This Must be Southdale Radiation Therapy Center M. Fox, Minneapolis Radiation Oncology, Minneapolis, MN

Hartman Lectures

4:00 pm - 5:30 pm								Ballroom

4:00 pm

HL-01 Pathway to a Paradigm: The Linear Nonthreshold Dose Response Model in Historical Context R. Kathren, Washington State University, Richland, WA

4:30 pm

HL-02 Radioactivity: Conception to Birth P. Frame, Oak Ridge Institute for Science and Education, Oak Ridge, TN

5:00 pm

HL-03 Wilhelm Conrad Roentgen G. Adams, University of Oklahoma (retired), Pagosa Springs, CO

6:30 pm - 8:30 pm				Boston Marriott Copley Place/Grand Ballroom

Monday, July 24, 1995

Refresher Courses

7:30 am - 8:30 am

Room 207

MO-A1-01.G A History of Physics and Technology in Radiology and Radiation Oncology S. Balter, Philips Medical Systems, New York, NY

Room 208

MO-A2-01.D Recent Advances in Fluoroscopic Equipment Design P. Rauch, Henry Ford Hospital, Detroit, MI

Room 210

MO-A3-01.D Overview of Computed Radiography Systems M. Ishida, Fuji Photo Film Co., Ltd., Kanagawa, Japan

Room 311

MO-A4-01.T Dosimetry and Treatment Planning for Radioimmunotherapy: Requirements of Treatment Planning for Radioimmunotherapy D. Macey, UT MD Anderson Cancer Center, Houston, TX

Room 312

MO-A5-01.T DICOM Standards for Radiotherapy Imaging: DICOM in Radiation Oncology: A Proposed Extension of the ACR-NEMA Standard B. Curran, New England Medical Center, Boston, MA

Refresher Courses

Room 207

MO-B1-01.G New Horizons Lecture: Combining Information\MAn Overview of Meta-analysis D. Herbert, University of South Alabama, Mobile, AL

Room 208

MO-B2-01.G Radiology Centennial Educational Materials for Public Presentation R. Ritenour, University of Minnesota Medical School, Minneapolis, MN

Room 311

MO-B4-01.T Commissioning and Quality Assurance of Treatment Planning Systems: Commissioning the Photon Component of a Treatment Planning System J. Van Dyk, Princess Margaret Hospital, Toronto, Ontario, Canada

Room 312

M0-B5-01.T IEC Standards for Radiation Therapy Equipment G. Ibbott, University of Kentucky Medical Center, Lexington, KY

Coffee Break

9:30 am - 10:00 am								Exhibit Hall

Joint Plenary Session of AAPM and Health Physics Society

10:00 am - 12:00 noon								Ballroom

G. William Morgan Lecture: Moderator: Marvin Goldman, HPS President, University of California-Davis, Sacramento, CA

MO-C1-01 Representative of Health Physics Society

President's Symposium: Moderator: Guy Simmons, AAPM President, University of Kentucky Medical Center, Lexington, KY

MO-C1-02 The Increasing Importance of the Medical Radiation Physicist in Radiation Oncology E. McCullough, Mayo Clinic, Rochester, MN

MO-C1-03 The Power of Discovery: The Centennial of Physics in Medicine G. Fullerton, University of Texas-Health Science Center, San Antonio, TX

Poster Session

Works In Progress

 12:00 noon - 1:30 pm						Exhibit Hall D

Scientific Sessions

Diagnostic:

1:30 pm - 3:30 pm				Room 207

1:30 pm

MO-D1-01.N A New Dosimetric Model of the Head and BrainL. Bochet*, W. Bolch, D. Weber, M. Atkins, J. Poston

1:40 pm

MO-D1-02.N A Microdosimetric Algorithm for Probabilistic Electron Point Kernels E. Kim*, W. Bolch, W. Reece, J. Poston

1:50 pm

MO-D1-03.N An Experimental Method for Bone-Tissue Absorbed Dose Assessment M. Desrosiers*, P. Fattibene, F. Le, N. Parks

2:00 pm

MO-D1-04.N Localized Beta Dosimetry of Bone Marrow Using Histological Images G. Akabani*

2:10 pm

MO-D1-05.N A Technique for Registration of Radionuclide Uptake Sites in Whole Body Images S. Thompson*, D. Macey, E. Delpassand, D. Pololoff

2:20 pm

MO-D1-06.N Detection of Arterial Lesions Using Nuclear Medicine M. Belanger*, J. Yanch, A. Dobrzeniecki

2:30 pm

MO-D1-07.N Development of a User Selectable Normal Database for Use with a Brain Analysis Program B. Harkness*, F. Fahey, C. Eades, J. Keyes, Jr.

2:40 pm

MO-D1-08.N Improved Anger Camera Imaging and Quantitation of In-111 Using a Quadruple Energy Window Method for Scatter Subtraction D. Macey*, J. Bayouth, E. Grant, D. Podoloff

2:50 pm

MO-D1-09.N Center-of-Rotation Error and Its Influence on SPECT Resolution M. Yester* and H. Hines

3:00 pm

MO-D1-10.N Characterization and Correction of Pulse Pile-up in Simultaneous Emission-Transmission Computed Tomography Imaging X. Wu*, J. Brown, K. Kalki, B. Hasegawa

3:10 pm

MO-D1-11.N A Comparison of Step and Shoot SPECT to Continue Motion SPECT J. Mcallister* and W. Wooten

3:20 pm

MO-D1-12.N Display for the 3D Quantitation of PET Activation Studies F. Fahey*, B. Harkness, C. Eades, H. Gage

Diagnostic:

 1:30 pm - 3:30 pm					Room 208

1:30 pm

MO-D2-01.D Expanded Role for Medical Physicists in Mammography Quality Assurance C. Daniels*, G. Schaller, R. Tingley, S. Iles

1:40 pm

MO-D2-02.D Mammography QC: A Detailed Accounting of Time R.Fleischman* and L. Rothenberg

1:50 pm

MO-D2-03.D Preclinical Visual Tests of Whole Breast Digital Mammography Units C. Kimme-Smith*, R. Terwilliger, L. Bassett

2:00 pm

MO-D2-04.D Investigation of the New ACR Method for Evaluating Mammographic Focal Spot Performance M. Goodsitt*, H. Chan, R. Liu

2:10 pm

MO-D2-05.D Problems and Opportunities in Measuring Mammographic Focal Spot Size D. Jacobson* and C. Wilson

2:20 pm

MO-D2-06.D Evaluation of a Sensitometric Method for Verifying the Characteristics of a Mammographic Film J. Gray*, J. Taubel, A. Haus

2:30 pm

MO-D2-07.D Magnification in Mammography Imaging L. Niklason*, M. Rosol, R. Moore, D. Kopans

2:40 pm

MO-D2-08.D Optimization of Phantom Composition for Mammography Equipment Performance Testing A. Palchevsky* and R. Geise

2:50 pm

MO-D2-09.D Low Contrast Test Patterns for Evaluating Viewing Conditions in Mammography O. Suleiman*, R. Fuller, A. Haus, S. Jaskulski

3:00 pm

MO-D2-10.D Ambient Light vs. Lightbox Luminance in Mammography Viewing Conditions C. Kimme-Smith*, A. Haus, R. Terwilliger, L. Bassett

3:10 pm

MO-D2-11.D Optimum Luminance Levels and Masking Conditions for Low Contrast Detection in Mammographic Film InterpretationJ. Wang* and J. Gray

Continuing Education Course

1:30 pm - 3:30 pm					Room 210

MO-D3-01 Overview of Medical Health Physics and Historical Perspective Jon Trueblood, Medical College of Georgia, Augusta, GA and Perry Sprawls, Emory University Hospital, Atlanta, GA

Scientific Sessions

Therapy:

1:30 pm - 3:30 pm				Room 311

1:30 pm

MO-D4-01.T Modification of Intensity Profiles of Conformal Radiotherapy Using Wedge Combinations M. Langer*, S. Morrill, R. Lane, O. Lee, R. Brown

1:40 pm

MO-D4-02.T Beam Profiles in X-Ray Rotation Therapy R. Cormack*

1:50 pm

MO-D4-03.T Beam Sampling and Selection for 3D Conformal Radiotherapy E. Gregerson, R. Levine*, M. Urie

2:00 pm

MO-D4-04.T A Dose-Volume Based Optimization Algorithm for the Determination of Intensity Modulated Beams S. Spirou*, C. Chui, C. Ling

2:10 pm

MO-D4-05.T An Investigation of Two Optimized Conformal Therapy Approaches R. Kendall*, A. Boyer, J. Antolak, D. Kachilla, P. Geis, I. Rosen

2:20 pm

MO-D4-06.T Dynamic Field Size Compensation in Total Body Irradiation Treatment Planning H. Guo*, Y. Qian, S. Yun, R. Yakoob, A. Aissi

2:30 pm

MO-D4-07.T Direct Calculation of a Transmission Matrix for Tissue Compensators Using the Delta Volume Method E. Gurgoze* and W. Bice

2:40 pm

MO-D4-08.T Dose Compensators for 3D CT-based Simulation and Treatment Planning T. He*, D. Ragan, R. Hong

2:50 pm

MO-D4-09.T Interaction with 3D Image Data Through Volume Rendered Views C. Pelizzari*, R. Grzeszczuk, G. Chen, M. Ryan

3:00 pm

MO-D4-10.T Systematic Testing of Dose Calculation on the Focus 3-D RTP System S. Monthofer*, K. Krippner, M. Cain, D. Low, A. Cheng

3:10 pm

MO-D4-11.T The Influence of the Dose Calculation Model on Treatment Plan Evaluation C. Schulze*, T. Bortfeld, W. Schlegel

3:20 pm

MO-D4-12.T Three-Dimensional Breast Treatment Planning With Simulator Radiographs and Radioopaque Surface Ribbons A. Kassaee*, M. Altschuler, P. Bloch

Therapy:

1:30 pm - 3:30 pm					Room 312

1:30 pm

MO-D5-01.T Anisotropy of an HDR Source Measured with a Miniature Ionization Chamber V. Mishra*, F. Waterman, N. Suntharalingam

1:40 pm

MO-D5-02.T Dose Distribution in the Eye for Pd-103 Seed in COMS Eye Plaque S. Chiu-Tsao*, L. Boulay, I. Kanna, A. de la Zerda, J. Kim

1:50 pm

MO-D5-03.T Penumbra Determination For Off-center I-125 SeedLoading In a COMS Eye Plaque Using GafChromic Film A. de la Zerda*, S. Chiu-Tsao, J. Kim

2:00 pm

MO-D5-04.T Dosimetry of an Ir-192 Source for High Dose Rate Brachytherapy and Validation of Monte Carlo Dose Calculations A. Kirov*, J. Williamson, A. Meigooni, Y. Zhu

2:10 pm

MO-D5-05.T Accuracy of Radiochromic Film Dose-Rate Measurements Near A High Dose Rate Ir-192 Source Y. Zhu*, J. Williamson, V. Mishra, A. Meigooni, A. Kirov

2:20 pm

MO-D5-06.T GafChromic Film Study of the Bone Heterogeneity Effect on the I-125 Dose Distribution D. Archambeault*, S. Chiu-Tsao, A. de la Zerda, J. Kim

2:30 pm

MO-D5-07.T Spatial Verification of Brachytherapy Dose Distribution by Fe MRI Dosimetry K. Ayyangar* and M. Chan

2:40 pm

MO-D5-08.T A Non-Radiographic Technique For Source Localization In Brachytherapy Y. Watanabe* and L. Anderson

2:50 pm

MO-D5-09.T Determination of Radioisotope Seed Positions Without Knowledge of the Imaging Geometry K. Hoffmann*, Y. Chen, C. Pelizzari, C. Metz

3:00 pm

MO-D5-10.T Rapid Setup Verification in High Dose Rate Brachytherapy Using CCD-based Digital Imaging R. Zwicker*, N. Atari, B. Kavanagh, H. Gieschen, M. Arnfield, S. Khandelwal, R. Schmidt-Ullrich

3:10 pm

MO-D5-11.T A Novel Brachytherapy Source for Treatment of Coronary Artery Restenosis N. Ly*, J. Whiting, A. DeFrance, N. Eigler

3:20 pm

MO-D5-12.T The Relative Biological Effectiveness of I-125 and Pd-103 C. Ling*, W. Li, L. Anderson

Joint Historical Session: AAPM and Health Physics Society

2:30 pm - 5:30 pm					Ballroom B

2:30 pm

MO-HPS-01.HP Historical Review: The First Fifty Years of X-Ray Therapy C. Orton*

3:00 pm

MO-HPS-02.HP William David Coolidge: Inventor of the Modern X-Ray Tube D. Allard* and M. Sawyer

Break: 3:30 pm - 4:00 pm

4:00 pm

MO-HPS-03.HP Historical Highlights in Radiation Medical Physics L. Lanzl*

4:30 pm

MO-HPS-04.HP Fifty Years of Human Radiation Experimentation: What Have We Learned? D. Fisher*, E. Weiss, G. LeFurgy

5:00 pm

MO-HPS-05.HP Insurance of Radiation Risks: An Overview of the Contributions of the Insurance Industry to the Past, Present and Future Uses of Radiation and Radioactivity R. Gallaghar*, A. Gallaghar, J. Yuske

Refreshment Break

3:30 pm - 4:00 pm					Exhibit Hall

Symposia

Diagnostic:

4:00 pm - 5:30 pm				Room 210

MO-E1-01.D The ABCs of DQE and Other Related Parameters R. Nishikawa, University of Chicago, Chicago, IL

MO-E1-02.D Quantum Accounting Diagrams and the DQE: Fundamental Noise Limitations in the Design of Imaging SystemsI. Cunningham, Victoria Hospital and the John P. Roberts Research Institute, London, Ontario, Canada

Young Investigator's Symposium:

4:00 pm - 5:30 pm				Room 311

4:00 pm

MO-E2-01.D MR Pluse Sequence Parameter Selection for Optimal Segmentation S. Danielson* and E. Jackson

4:10 pm

MO-E2-02.D A Compound Poisson Process Method for Multiple Scattering of Electrons X. Ning*, L. Papiez, G. Sandison

4:20 pm

MO-E2-03.D A Numerical Simulation of Organ Motion and Daily Setup Uncertainties: Implications for Radiation Therapy J. Killoran*, H. Kooy, D. Gladstone, E. Holupka, F. Welte, C. Beard

4:30 pm

MO-E2-04.D Super-Monte Carlo: A Combined Approach to X-ray Beam Planning P. Keall* and P. Hoban

4:40 pm

MO-E2-05.D Derivation of a Photon Energy Spectrum Using Transmission Data for an Electron Beam Computed Tomography (EBCT) Scanner C. Ruth* and P. Joseph

4:50 pm

MO-E2-06.D Electron Scanning Beam Intensity Modulation E. Lief*, A. Larsson, J. Humm

5:00 pm

MO-E2-07.D Potential and Limits of Dose-Conformation With Photons and Protons T. Bortfeld*, J. Debus, C. Dykstra, T. Lomax, G. Munkel, W. Schlegel

5:10 pm

MO-E2-08.D Evaluation of Total Error in Fractionated Stereotactic Radiotherapy Dose Delivery A. Sethi*

Therapy:

4:00 pm - 5:30 pm				Room 312

MO-E3-01.T Standards, Rules, & Regulations in Remote Afterloading Brachytherapy G. Glasgow, Loyola University, Chicago, IL

MO-E3-02.T Quality Management Compliance in Remote Afterloading Brachytherapy F. Bagne, Michigan Institute for Radiation Oncology, Pontiac, MI

MO-E3-03.T Handling a Regulatory Agency in Cases of Recordable Events, Mismanagement or Misadministrations B. Thomadsen, University of Wisconsin-Madison, Madison, WI

6:00 pm - 12:00 am				Marina Bay Club

Tuesday, July 25, 1995

PHUN Run

6:00 am

Refresher Courses

7:30 am - 8:30 am

Room 207

TU-A1-01.G The First Century of X-ray Imaging: The Dynamics of Innovation P. Sprawls, Emory University Hospital, Atlanta, GA

Room 208

TU-A2-01.D Test Procedures for Modern Fluoroscopic Equipment K. Strauss, Children's Hospital, Boston, MA

Room 210

TU-A3-01.G Marketing of the Medical Physicist H. Couvillon, Management Recruiters Intl., Metairie, LA

Room 311

TU-A4-01.T Dosimetry and Treatment Planning for Radioimmunotherapy: Methods for Absolute Quantitation of Radionuclide Uptake for Radiolabeled Antibody Dosimetry J. Siegel, Cooper Hospital/University Medical Center, Camden, NJ

Refresher Courses

8:30 am - 9:30 am

Room 207

TU-B1-01.D New Horizons Lecture: Functional Magnetic Resonance Imaging (fMRI): Principles and Applications O. Nalcioglu, University of California, Irvine, CA

Room 208

TU-B3-01.G Legal Issues Facing the Medical Physicist M. Leetzow, Finnegan, Henderson et al., Washington, DC

Room 311

TU-B4-00.T Commissioning and Quality Assurance of Treatment Planning Systems:

-01.T Commissioning the Electron Beam Component of a Treatment Planning System K. Hogstrom, UT MD Anderson Cancer Center, Houston, TX

-0.2T Quality Assurance of Treatment Planning Systems J. Kent, Methodist Hospital of Indiana, Indianapolis, IN

Room 312

TU-B5-01.T ICRU Dose Reporting Standards for Interstitial Brachytherapy W. Hanson, MD Anderson Cancer Center, Houston, TX

Coffee Break

9:30 am - 10:00 am							Exhibit Hall

Scientific Sessions

Diagnostic:

10:00 am - 12:00 noon							Room 207

10:00 am

TU-C1-01.D A Proton MRS Study of Multiple Sclerosis Patients with Correlation to Clinical Disability and Duration of Time Since Diagnosis E. Boote*, T. Theiss, M. Stacy

10:10 am

TU-C1-02.D Change in MR Imaging as a Function of Protein Conformation K. Kanal*, G. Shelton, G. Fullerton, I. Cameron

10:20 am

TU-C1-03.D A Calibration Phantom for In Vivo Magnetic Resonance Spectroscopy of Skin A. Wright*, D. Bohning, K. Spicer

10:30 am

TU-C1-04.D High-Resolution Breath-hold Imaging of Coronary Artery Flow with MRI G. Clarke*, W. Hundley, R. McColl, R. Peshock

10:40 am

TU-C1-05.D Evaluation of MR Image Signal-to Noise Ratio Using Signal and Noise Measurement Y. Zhang*, P. Carson, E. Gardner, J. Ellis

10:50 am

TU-C1-06.D Estimates of Specific Absorption Rate for Magnetic Resonance at 1.0-10.0 Tesla Field Strengths D. Mihailidis* and E. Ritenour

11:00 am

TU-C1-07.D 3D Tissue Segmentation in MRI F. Mohamed*, C. Gonzalez, S. Vinitski, C. Burnett, S. Seshagiri, S. Faro, H. Ortega

11:10 am

TU-C1-08.D Evaluation of a Spiral Rod Test Object for MRI 3D Distortion Measurements J. Pallister*, E. Gardner, M. Kessler, X. Li, Y. Zhang, J. Ellis, P. Carson

11:20 am

TU-C1-09.D Cardiac Ejection Fraction from Fast Gradient MRI Compared to Nuclear Medicine J. Blechinger*, R. Breger, A. Kistler, T. Foo

11:30 am

TU-C1-10.D Quantitation of Bone Marrow Volume Distribution with the Three Point Dixon Technique D. Dumitru*, T. Fearon, J. Dreesen, D. Kushner

Diagnostic:

10:00 am - 12:00 noon							Room 208

10:00 am

TU-C2-01.D Comparison of Techniques for Measurement of Vessel Sizes in Angiograms Y. Chen*, K. Hoffmann, R. MacDonald, C. Hackworth, K. Doi

10:10 am

TU-C2-02.D Automated Registration of Ventilation/Perfusion Images with Digital Chest Radiographs S. Armato, III*, M. Giger, H. MacMahon, C. Chen

10:20 am

TU-C2-03.D Computerized Analysis for Automated Detection of Lung Nodules in Chest Radiographs X. Xu*, K. Doi, M. Giger, H. MacMahon, C. Metz

10:30 am

TU-C2-04.D A Prototype Clinical `Intelligent' Mammography Workstation for Computer-Aided Diagnosis (CAD) R. Nishikawa*, R. Haldemann, M. Giger, J. Papaioannou, D. Wolverton, R. Schmidt, K. Doi

10:40 am

TU-C2-05.D Artificial Neural Networks in Computer-Aided Diagnosis: Generalization Requirements C. Caldwell*, S. Black, F. Leibovitch

10:50 am

TU-C2-06.D Partial Area Under an ROC Curve as an Index of Diagnostic Performance Y. Jiang*, C. Metz, R. Nishikawa, K. Doi

11:00 am

TU-C2-07.D Optimization of Wavelet Algorithms for Detection of Masses in Mammograms Y. Xing*, J. Chiang, W. Huda, A. Laine, J. Fan

11:10 am

TU-C2-08.D Feature Analysis and Classification of Mass Lesions in Digital Mammograms Z. Huo*, M. Giger, C. Vyborny, D. Wolverton, R. Schmidt, K. Doi

11:20 am

TU-C2-09.D Classification of Malignant and Benign Microcalcifications by Texture Analysis H. Chan*, D. Wei, K. Lam, B. Sahiner, M. Goodsitt, M. Helvie, D. Adler

11:30 am

TU-C2-10.D Analysis of Methods for Reducing False Positives in the Automated Detection of Clustered Microcalcifications in Mammograms R. Nagel*, R. Nishikawa, J. Papaioannou, M. Giger, K. Doi

11:40 am

TU-C2-11.D Application of Wavelet Transform to Automated Detection of Clustered Microcalcifications H. Yoshida*, K. Doi, R. Nisikawa

Therapy:

10:00 am - 12:00 noon							Room 311

10:00 am

TU-C4-01.T Beam Margins and PTV in the Presence of Organ Movement S. Shalev*

10:10 am

TU-C4-02.T The Dosimetric Implications of Organ Motion During Prostate Irradiation J. Roeske*, S. Armato, J. Forman, S. Hadley, S. Vijaykumar, G. Chen

10:20 am

TU-C4-03.T The Incorporation of Organ Motion in the Selection of Optimal Beam Orientations for Prostate Irradiation S. Hadley*, J. Roeske, J. Forman, S. Vijaykumar, G. Chen

10:30 am

TU-C4-04.T A Statistical Determination of Prostate Location and Size with Applications to Radiation Therapy F. Welte*, H. Kooy, D. Gladstone, M. van Herk, J. Killoran, C. Beard, E. Holupka

10:40 am

TU-C4-05.T A New Method for Automatic Quantification of 3-D Patient Misaligment in Radiotherapy by Back-Projection of Features from Portal Images K. A. Gilhuijs*, P. H. van de Ven, M. van Herk

10:50 am

TU-C4-06.T Development of a Room-Based Diagnostic Imaging System for Use in Radiotherapy J. Schewe*, K. Lam, J. Balter, R. Ten Haken

11:00 am

TU-C4-07.T Development of a Tilt and Roll Table for Automated Correction of Setup Errors K. Lam*, D. Hornick, J. Balter, D. McShan, S. Emanuel, S. Kota, R. Ten Haken

11:10 am

TU-C4-08.T Application of 3-D Patient Setup Analysis in the Verification of Radiotherapy K. Gilhuijs*, A. Touw, P. van de Ven, M. van Herk, R. Vijlbrief

11:20 am

TU-C4-09.T Heart Dose in Radiation Treatment of Patients with Primary Breast Cancer A. Sethi*

11:30 am

TU-C4-10.T A Nationwide Dutch Study Regarding Treatment Portals for Elective Radiotherapy of the Neck P. Nowack*, E. van Dieren, J. van Sörnsen de Koste, B. Heijmen, J. van Santvoort, P. Levendag

11:40 am

TU-C4-11.T Choice of Population Size in Genetic Optimization G. Ezzell*

11:50 am

TU-C4-12.T NTCP-Calculation on 3D-dose Distributions Using A Time Dependent LQM-formula D. Fehrentz*, D. Oetzel, U. Spahn, P. Schraube

Therapy:

10:00 am - 12:00 noon							Room 312

10:00 am

TU-C5-01.T A Generalized Sievert Integral Algorithm with an Isotropic Scattering Correction for Dose Calculation Around Low Energy Brachytherapy Sources J. Williamson*

10:10 am

TU-C5-02.T Validation of Monte Carlo Dose Calculations Near I-125 Brachytherapy Sources in the Presence of Bounded Tissue Heterogeneities R. Das*, D. Keleti, Y. Zhu, A. Meigooni, J. Williamson

10:20 am

TU-C5-03.T Clinical Brachytherapy Calculations with a CT-Based Monte Carlo Code K. Weaver*, C. Hartmann-Siantar, W. Chandler

10:30 am

TU-C5-04.T A Genetic Algorithm for the Optimization of Prostate Implants Y. Yu* and M. Schell

10:40 am

TU-C5-05.T Optimization of Activity Distributions in Brachytherapy P. Kneschaurek* and R. Wehrmann

10:50 am

TU-C5-06.T Optimization Based on Dose-Volume Information for GYN Applications M. Martel*, D. McShan, B. Fraass

11:00 am

TU-C5-07.T Accuracy of Monte Carlo Photon Transport Simulation in Characterizing Brachytherapy Dosimeter Energy Response Artifacts R. Das*, H. Perera, Z. Li, J. Williamson

11:10 am

TU-C5-08.T A High-Current, Tandem Accelerator Facility for Medical Applications Research J. Yanch*, R. Shefer, R. Klinkowstein, W. Howard

11:20 am

TU-C5-09.T Treatment of Rheumatoid Arthritis by Boron Neutron Capture Synovectomy (BNCS) L. Johnson, J. Yanch*, S. Shortkroff, C. Sledge

11:30 am

TU-C5-10.T Gadolinium Neutron Capture Therapy: 3D Dose Distributions M. Martir* and J. Horton

11:40 am

TU-C5-11.T Microdosimetric Characterization of the Quality of a Fast Neutron Therapy Beam C. Kota* and R. Maughan

11:50 am

TU-C5-12.T Determination of the Air W-Value in Proton Beams Using Ionization Chambers with Gas Flow Capability S. Vatnitsky*, M. Moyers, J. Siebers, D. Miller

Medical Health Physics

12:00 noon - 1:30 pm							Exhibit Hall D

Committee on Training of Technologists and the Educational Council of the AAPM:

12:00 Noon - 1:30 pm

Basic MRI Physics and Instrumentation for Technologists

Ronald R. Price, Ph.D. and David R. Pickens, Ph.D.

Scientific Sessions:

Diagnostic:

1:30 pm - 3:30 pm							Room 207

1:30 pm

TU-D1-01.D Results of a National Survey of Chest Radiographic Examinations in 1984, 1986 and 1994 B. Conway*, R. Kaczmarek, O. Suleiman, P. Boyce, R. Fuller, R. Slayton, D. Spelic

1:40 pm

TU-D1-02.D The Fluoroscopy Patient: What Should You Record? O. Suleiman* and T. Shope

1:50 pm

TU-D1-03.D High Altitude Aircrew Exposure Study L. Donovan*, K. Hardy, J. Leonowich, L. Brackenbush, D. Leland

2:00 pm

TU-D1-04.D Medical Physics Impact on the New FAO/IAEA/ILO/NEA (OECD)/PAHO/WHO International Basic Safety Standards for Protection Against Ionizing Radiation and for the Safety Radiation Sources (BSS) C. Borras*, G. Hanson, G. Webb

2:10 pm

TU-D1-05.D Can Water Phantoms Simulate Real Patients for Estimating Energy Imparted? N. Gkanatsios* and W. Huda

2:20 pm

TU-D1-06.D Maximum Fluoroscopic Entrance Exposure Rate Revisit Z. Shi*

2:30 pm

TU-D1-07.D Method for Measuring the Total Dose Area Product (DAP) During Region of Interest (ROI) Fluoroscopy M. Kezerashvili*, D. Bednarek, S. Rudin

2:40 pm

TU-C5-08.T Induced Activity and Radiation Exposure to the Staff at a Neutron Therapy Facility M. Yudelev*, R. Maughan, L. Jordan, R. Saxena

2:50 pm

TU-D1-09.D Entrance Skin Exposure and Fluoroscopy Times in Cardiac Cath, Electrophysiology and Special X-ray Patient Procedures (1994) S. Brahmavar*, C. Miller, L. Tidwell

3:00 pm

TU-D1-10.D On the Biophisical Mechanism of Low-Intensive Laser Therapy G. Rukman*

Medical Outcomes Symposium

1:30 pm - 3:30 pm							Room 208

TU-D2-01.D What Works? An Overview of Medical Outcomes D. Herbert, University of South Alabama, Mobile, AL

TU-D2-02.D Future Trends in Evaluating Quality Care Dennis O'Leary, Joint Commission on Accreditation of Health Care Organizations, Oakbrook Terrace, IL

TU-D2-03.D Patient Outcomes Appropriate to Diagnostic Imaging B. Hillman, UVA Health Sciences Center, Charlottesville, VA

TU-D2-04.D An Overview of the Current Status of Outcomes Measures in Therapeutic Radiology M. Mehta, University of Wisconsin Hospital and Clinics, Madison, WI

TU-D2-O5.D Impact of Technological Advances on Outcome B. Paliwal, University of Wisconsin-CSC, Madison, WI

Continuing Education Course

1:30 pm - 3:30 pm							Room 210

TU-D3-01.CEC Control of Personnel Radiation Exposure J. Davis, Medical College of Georgia, Augusta, GA

Scientific Sessions

Therapy:

1:30 pm - 3:30 pm Room 311

1:30 pm

TU-D4-01.T Monte Carlo Investigation of the Virtual Point Source Position for Electron Beams from Three Clinical Linear Accelerators C. Ma*, D. Rogers, T. Mackie

1:40 pm

TU-D4-02.T Numerical Reconstruction of Spectra for Electron Therapy Beams R. Hugtenburg*, J. Turner, P. Butler

1:50 pm

TU-D4-03.T Description of a Clinical Electron Beam: the Initial Phase Space as Input of the Phase Space Evolution Model E. Korevaar, J. Janssen, P. Storchi, H. Huizenga*

2:00 pm

TU-D4-04.T A Model For Electron Beam Applicator Scatter M. Ebert* and P. Hoban

2:10 pm

TU-D4-05.T Patient Data Set for Electron Conformal Therapy Using Bolus G. Starkschall*, E. Bawiec, Jr., A. Garden, W. Morrison, E. Strom, K. Hogstrom

2:20 pm

TU-D4-06.T Calculation of Depth Dose and Dose Per Monitor Unit for Irregularly Shaped Electron Fields F. Khan*, F. Deibel, B. Gerbi, P. Higgins

2:30 pm

TU-D4-07.T Shaped Electron Beams Using a Multileaf Collimator J. Moran*, M. Martel, B. Fraass

2:40 pm

TU-D4-08.T Electron Dosimetry with a Cl2100C Multileaf Collimator E. Klein*, Z. Li, D. Low

2:50 pm

TU-D4-09.T Prediction of Electron Beam Output of a Special Technique for Treating Skin Over Larynx A. Shiu*, R. Praeder, S. Tung, K. Hogstrom

3:00 pm

TU-D4-10.T Clinical Implementation of High Dose-Rate Total Skin Electron Therapy J. Antolak* and K. Hogstrom

3:10 pm

TU-D4-11.T A Technique for Accurate Measurements of Electron Stopping Powers M. MacPherson*, C. Ross, D. Rogers

3:20 pm

TU-D4-12.T R50 as a Beam Quality Specifier for Selecting Stopping-power Ratios and Reference Depths for Electron Dosimetry D. Rogers*, G. Ding, D. Burns

Therapy:

1:30 pm - 3:30 pm							Room 312

1:30 pm

TU-D5-01.T Dose Response of BANG Polymer Gel Dosimeter: Effects of Crosslinking Density M. Maryanski*, C. Audet, J. Gore

1:40 pm

TU-D5-02.T Dose Response of BANG Polymer Gel Dosimeter: Temperature Dependence M. Maryanski*, C. Audet, J. Gore

1:50 pm

TU-D5-03.T Dose Response of the BANG Polymer Gel Dosimeter: Dependence on Composition C. Audet*, M. Maryanski, J. Gore

2:00 pm

TU-D5-04.T Investigation of a BANG Polymer Gel Dosimeter for Use as a Mailed QA Device G. Ibbott*, M. Maryanski, R. Avison, J. Gore

2:10 pm

TU-D5-05.T Imaging of Radiation Dose in Two Different Types of Gel-Based Dosimeters: A Comparison Between FAX and BANG P. Wong*, G. Clarke, R. McColl, M. Maryanski, E. Glatstein

2:20 pm

TU-D5-06.T 3-D MRI Radiation Dosimetry Using the Magnetization to Dose (M&D) Calibration Technique L. Schreiner*, W. Parker, C. Henri, M. Evans, E. Podgorsak

2:30 pm

TU-D5-07.T Dosimetric Characteristics of an Improved Radiochromic Film A. Meigooni*, M. Sanders, G. Ibbott, S. Szeglin

2:40 pm

TU-D5-08.T A Comparison of Parallel and Perpendicular Film Geometries in Tissue Equivalent Phantoms A. Gray*, C. Nelson, D. Davis

2:50 pm

TU-D5-09.T Monte Carlo Study for Improving Film Dosimetry in Photon Radiation Therapy I. Yeo*, C. Wang, S. Burch

3:00 pm

TU-D5-10.T Midplane Dose Determination Using Thermoluminescent Dosimeters and an Electronic Portal Imaging Device D. Roback

3:10 pm

TU-D5-11.T Interface Dosimetry Using a Supercoiled DNA Molecular Dosimeter W. Chen*, I. Rosenberg, E. Blazek, J. Chu, V. Saxena

3:20 pm

TU-D5-12.T Experimental Determination of the Side Wall Scatter into the Collecting Volume of Plane-Parallel Chambers U. Rosenow* and G. Kasten

Refreshment Break

3:30 pm - 4:00 pm							Exhibit Hall

Symposia

Diagnostic:

4:00 pm - 5:30 pm							Room 210

4:00 pm

TU-E1-01.D The Physics of Screen-Film Imaging R. van Metter, Eastman Kodak Company, Rochester, NY

4:30 pm

TU-E1-02.D Photostimulable Phosphor Radiography M. Ishida, Fuji Photo Film Co., Ltd., Ashigarakami-gun, Kanagawa, Japan

5:00 pm

TU-E1-03.D Computed Radiography Based on Selenium Detectors H. Blume, Philips Medical Systems, Shelton, CT

Therapy:

4:00 pm - 5:30 pm							Room 312

4:00 pm

TU-E2-01.T Alignment Techniques for Treatment Verification J. Balter, University of Michigan Medical Center, Ann Arbor, MI

4:30 pm

TU-E2-02.T Clinical Use of Image Registration Tools D. McShan, University of Michigan Medical Center, Ann Arbor, MI

5:00 pm

TU-E2-03.T Image Registration in Treatment Planning and Followup C. Pelizzari, University of Chicago, Chicago, IL

6:00 pm - 8:30 pm			Boston Marriott Copley Place/Grand Ballroom

Wednesday, July 26, 1995

Refresher Courses

7:30 am - 8:30 am

Room 207

WE-A1-01.D Security of On-line Imaging Systems D. Tucker, University of Alabama Hospital, Birmingham, AL

Room 210

WE-A3-00.G The Medical Physics Review:

-01.G The Medical Physics Journal: Editorial Procedures J. Laughlin, Memorial Hospital, New York, NY

-02.G The Medical Physics Journal: The Reviewer's Job J. Boone, UC Davis Medical Center, Sacramento, CA

Room 311

WE-A4-01.T Dosimetry and Treatment Planning for Radioimmunotherapy: Estimation of Absorbed Doses in Radioimmunotherapy L. Williams, City of Hope Medical Center, Duarte, CA

Refresher Courses

8:30 am - 9:30 am

Room 207

WE-B1-01.T New Horizons Lecture: Neutron Capture Therapy R. Zamenhof, Brookline, MA

Room 208

WE-B2-01.D Inside an Ultrasound Machine: Operating and Design Principles T. Shoup, Hewlett-Packard Inc., Andover, MA

Room 210

Mammography Moderator: Orhan Suleiman, Food and Drug Administration, Rockville, MD

WE-B3-01.D Federal Mammography Standards: The Facility C. Showalter, Food and Drug Administration, Rockville, MD

Room 311

WE-B4-01.T Commissioning and Quality Assurance of Treatment Planning Systems: Commissioning and Quality Assurance of the Brachytherapy Component of a Treatment Planning System J. Williamson, Mallinckrodt Institute of Radiology, St. Louis, MO

Coffee Break

9:30 am - 10:00 am							Exhibit Hall

Scientific Sessions

Diagnostic:

10:00 am - 11:00 noon							Room 207

10:00 am

WE-C1-01.D The Develoment of National Standards for Mammographic X-Ray Beams C. Johnson*, P. Lamperti, J. Sparrow

10:10 am

WE-C1-02.D Estimation of X-Ray Spectra for Mammography Using a Monte Carlo Method S. Hames*, M. Flynn, S. Wilderman, W. Martin

10:20 am

WE-C1-03.D Mammographic X-Ray Beam Peak Determination Using Film Densitometry M. Napolitano*, J. Trueblood, N. Hertel

10:30 am

WE-C1-04.D TLD Strip to Determine the Half Value Layer and Entrance Skin Exposure of a Mammography Unit Y. Zhang*, R. Mueller, L. De Werd

10:40 am

WE-C1-05.D A Modification To Improve Thick, Dense Breast Imaging for Mammography Units J. Seibert* and J. Boone

10:50 am

WE-C1-06.D Contrast and Mean Glandular Dose for Different Target/Filter Combinations in Mammography R. Nawfel* and P. Judy

Diagnostic:

11:00 am - 12:00 noon							Room 207

11:00 am

WE-C1-07.D Automatic Target Volume Definition for Radiation Therapy R. Velthuizen*, A. Bensaid, L. Hall, L. Clarke

11:10 am

WE-C1-08.D Minimally Supervised MRI Segmentation Methods for More Reproducible Tumor Volume Measurements C. Heidtman*, M. Vaidyanathan, R. Velthuizen, L. Clarke

11:20 am

WE-C1-09.D Normal Brain Tissue Volume Measurements Using MRI Segmentation M. Vaidyanathan*, C. Heidtman, R. Velthuizen, L. Clarke

11:30 am

WE-C1-10.D Cerebral Tumor Volume Calculations Using Planimetric and Eigenimage Analysis-A Comparison Study D. Peck*, J. Windham, T. Mikkelsen, L. Emery

11:40 am

WE-C1-11.D Noise Limitations in Volume Estimations for MRI Using the Eigenimage Algorithm J. Windham*, D. Peck, T. Murnock, L. Emery

11:50 am

WE-C1-12.D Evaluation of Parameters Effecting the Quality of Digital Reconstructed Radiographs (DRR's) R. Gerber*, A. Cheng, J. Purdy, W. Bosch, J. Michalski, C. Perez

Ultrasound in Oncology Symposium

10:00 am - 12:00 noon							Room 208

10:00 am

WE-C2-01.D Transurethral Ultrasound Applicators for Prostate Thermal Therapy C. Diederich, University of California\MSan Francisco, San Francisco, CA

10:20 am

WE-C2-02.D Intracavitary Ultrasound Techniques for Localized Heating of the Prostate M. Buchanan, Brigham and Women's Hospital, Boston, MA

10:40 am

WE-C2-03.D Ultrasound Hyperthermia System for Breast Cancer Treatment E. Burdett, Dornier Medical Systems, Champaign, IL

11:00 am

WE-C2-04.D A New and Improved Scanned Focused Ultrasound Unit for Hyperthermia Therapy A. Dutton, University of Utah, Salt Lake City, UT

11:20 am

WE-C2-05.D Feedback and Control During Hyperthermia Treatments with Ultrasound Phased-Array P. van Buren, University of Michigan, Ann Arbor, MI

11:40 am

WE-C2-06.D The Role of Phased Arrays in Ultrasound Surgery K. Hynynen, Brigham and Women's Hospital, Boston, MA

Scientific Sessions

Therapy:

10:00am - 12:00 noon							Room 311

10:00 am

WE-C4-01.T In Phantom Determination of the Head Scatter Factor Sc K. Lam* and R. Ten Haken

10:10 am

WE-C4-02.T Head Scatter Measurements For 6 and 24 MV Photons Using a Miniphantom and Buildup Caps of Various Materials and Diameters C. Reft*

10:20 am

WE-C4-03.T Analytical Representation of Head Scatter Factors for Shaped Photon Beams Using a Two-Component X-ray Source Model M. Yu* and R. Sloboda

10:30 am

WE-C4-04.T Off-Axis Extension of a Head Scatter Factor Computational Model M. Muthuswamy*, K. Lam, Z. Chen, R. Ten Haken

10:40 am

WE-C4-05.T An Equivalent Square Field Size Table for Predicting Output Factors C. Liu* and J. Palta

10:50 am

WE-C4-06.T Field Size and SSD Dependence of the Electron Contamination in a Megavoltage Photon Beam T. Zhu* and J. Palta

11:00 am

WE-C4-07.T Tissue Air Ratios (TAR) for High Energy X-Rays P. Nizin*, D. Bellezza, R. Mooij

11:10 am

WE-C4-08.T Wedge-to-Open Ratios for High Energy Photon Beam Central Axis Data S. Tung*, A. Boyer, A. Shiu

11:20 am

WE-C4-09.T Backscatter Dose Pertubation with a Small High Z Inhomogeneity in Kilovoltage Beams I. Das*, G. Desobry, C. Soares

11:30 am

WE-C4-10.T A Humanoid Dosimetric Study of Lung Irradiation Comparing 6 and 18 MV Photons E. Klein*, A. Morrison, J. Purdy, V. Willcutt

11:40 am

WE-C4-11.T Calculation of Dose Distributions of Rectangular and Irregular Fields P. Storchi*, E. Woudstra, P. Verlinde, D. Bax, H. Puurunen

Therapy:

10:00 am - 12:00 noon							Room 312

10:00 am

WE-C5-01.T Minimization of Target Positioning Error in Accelerator-based Radiosurgery D. Low*, Z. Li, R. Drzymala, E. Klein

10:10 am

WE-C5-02.T A System for Precision Fractionated Radiation Therapy F. Bova*

10:20 am

WE-C5-03.T Repositioning Accuracy of a Noninvasive Head Fixation System for Stereotactic Radiotherapy C. Whiddon*, R. Hamilton, F. Kuchnir, P. Sweeney, C. Pelizzari, M. Dujovny, S. Rubin

10:30 am

WE-C5-04.T A Method of Head Immobilization for Frameless Fractionated Stereotactic Radiotherapy T. Wu*, H. Aghdam, L. Der, G. Fichtinger, B. Wessels

10:40 am

WE-C5-05.T Comparison Between 3-D Conformal Radiotherapy and Stereotactic Radiotherapy Techniques M. Phillips* and E. Dorman

10:50 am

WE-C5-06.T Optimized Beam Weighting for Stereotactic Radiosurgery H. Lu*, H. Kooy, Z. Leber, R. Ledoux

11:00 am

WE-C5-07.T Rapid Optimization of Stereotactic Radiosurgery Beam Weight Using Constrained Matrix Inversion M. Herman*, T. Criss, J. Jackson, N. Yang, J. Williams

11:10 am

WE-C5-08.T Monte Carlo Simulation of a Miniature Radiosurgery X-Ray Tube Using the ITS3 Coupled Electron-Photon Transport Code K. Harte and J. Yanch*

11:20 am

WE-C5-09.T Calculation of the Output Factors for the Leksell Gamma Knife by Monte Carlo Simulation Using EGS4 Codes Z. Zheng*, G. Cardarelli, D. Shearer, C. Liu

11:30 am

WE-C5-10.T Predicting Biological Correction Factors for Continous Versus Intermittent Stereotactic Radiosurgery Treatment Delivery S. Benedict*, P. Lin, D. Huang, R. Zwicker, R. Ullrich

11:40 am

WE-C5-11.T Precision of Output Calibration in Air and Water of a Miniature X-Ray Tube J. Beatty*, P. Biggs, T. Yasuda

11:50 am

WE-C5-12.T Dosimetry and Treatment Planning for X-Ray Phototherapy T. Solberg*, J. DeMarco, C. Cagnon, J. Smathers, A. Norman

Poster Sessions

12:00 noon - 1:30 pm							Exhibit Hall

Scientific Sessions

Diagnostic:

1:30 pm - 3:30 pm							Room 207

1:30 pm

WE-D1-01.D Enhanced Power X-Ray Production M. Braun*, M. Danos, J. Motz

1:40 pm

WE-D1-02.D Radiographic Visualization of Molded Plastics for Toy Safety S. Brahmavar*, R. Breton, L. Tidwell, J. Callahan

1:50 pm

WE-D1-03.D Investigation of Effect of Imaging Geometry on the Accuracy of the Metz-Fencil Techniques K. Hoffmann*, Y. Chen, M. Anastasio, C. Metz, S. Chen

2:00 pm

WE-D1-04.D A Simple Quality Assurance System for General Radiography D. Shearer*, D. North, C. Damm

2:10 pm

WE-D1-05.D Dose Response of a Film for Patient Dosimetry in Interventional Radiology L. Fajardo*, R. Geise, H. Ong, W. Lien

2:20 pm

WE-D1-06.D The Johns Hopkins Phantom for Fluoroscopic Quality Control Measurements M. Mahesh*, G. Rao, C. Subramaniam

2:30 pm

WE-D1-07.D Evaluation of the Image Quality and Radiation Exposure of Two Mini C-Arm Units C. Wilson*, K. Ogden, L. Salkowski

2:40 pm

WE-D1-08.D Image Quality and Patient Doses in Pediatric Fluoroscopy W. Geiser*, N. Gkanatsios, W. Huda, J. Williams, Sr.

2:50 pm

WE-D1-09.D Contrast Improvement of Iodine Using a Gadolinium Filter for Application to Region of Interest (ROI) Fluoroscopy P. Massoumzadeh*, S. Rudin, D. Bednarek

3:00 pm

WE-D1-10.D Automatic Filter Placement Device for Region of Interest (ROI) Fluoroscopy M. Kezerashvili*, S. Rudin, D. Bednarek

3:10 pm

WE-D1-11.D Method for ROI Localization and Mask Selection in ROI Fluoroscopy Image Equalization L. Fletcher*, S. Rudin, D. Bednarek

3:20 pm

WE-D1-12.D Processor Quality Control in Laser Imaging Systems T. Bogucki*, W. Murphy, C. Baker, A. Haus

Diagnostic:

1:30 pm - 3:30 pm							Room 208

1:30 pm

WE-D2-01 Synchronization of Time-Varying Physiological Data in 3D Ultrasound Studies T. Nelson*

1:40 pm

WE-D2-02 Ultrasonic Backscatter and Attenuation Estimates from Digitized Image Data B. Knipp*, T. Wilson, F. Dong, J. Zagzebski, E. Madsen

1:50 pm

WE-D2-03 Quantitative Analysis of Sonographic Images of Acute Renal Failure J. Holm*, W. Rivers, E. Ritenour

2:00 pm

WE-D2-04 Three-Dimensional Ultrasound Volume and Distance Measurement Accuracy M. Riccabona*, T. Nelson, D. Pretorius

2:10 pm

WE-D2-05 Determination of Scanhead of Motion Using Decorrelation of Speckle J. Chen*, J. Fowlkes, P. Carson, A. Moskalik

2:20 pm

WE-D2-06 Temperature Distribution Generated by Diagnostic Ultrasound Equipment in a Tissue-Equivalent Phantom M. Pessel*, J. Fowlkes, P. Carson, P. Edmonds

2:30 pm

WE-D2-07 Doppler Equipment Performance Test: A Comparison Among Clinical Units Z. Lu*, E. Nickoloff, T. Terilli, A. Dutta

2:40 pm

WE-D2-08 3D ROI Analysis for Frequency Shift and Power Doppler Breast Vascularity Quantification J. Pallister*, P. Carson, A. Govil, J. Fowlkes, A. Moskalik, M. Roubidoux, M. Helvie, J. Rubin

2:50 pm

WE-D2-09 Technological Lasers: The Possibility of Low Frequency Acoustic Vibrations Generation During G. Rukman*

Continuing Education Course

1:30 pm - 3:30 pm							Room 210

WE-D3-01.CEC Control of Nuclear Medical Radiation Jon Trueblood and Jerry Allison, Medical College of Georgia, Augusta, GA

Scientific Sessions

Therapy:

1:30 pm - 3:30 pm							Room 311

1:30 pm

WE-D4-01.T Dynamic Universal Wedge H. Shackford*, B. Bjarngard, P. Vadash

1:40 pm

WE-D4-02.T Dynamic Wedge: Clinical Experience and QA History E. Klein* and J. Purdy

1:50 pm

WE-D4-03.T Virtual Wedge Dose Calculation and its Impact on Radiation Treament Planning Systems J. Yao*

2:00 pm

WE-D4-04.T Dosimetric Evaluation of the Siemens Virtual Wedge J. van Santvoort,* H. Huizenga, L. van Battum

2:10 pm

WE-D4-05.T Surface and Peripheral Doses of Dynamic and Physical Wedges Z. Li* and E. Klein

2:20 pm

WE-D4-06.T Photon Dose Measurements and Calculations for Tumors Within Lung: A Comparative 3D Study A. Morrison*, E. Klein, J. Purdy, M. Graham, X. Zhu, J. Matthews, D. Low

2:30 pm

WE-D4-07.T A Model for 3D Photon Dose Calculations Based on Finite-Size Pencil Beams Generated Using FFT Convolutions O. Ostapiak*, J. van Dyke, Y. Zhu

2:40 pm

WE-D4-08.T An Analytic Model for the Photon Fluence from a Linac Treatment Head S. Morrill* and R. Lane

2:50 pm

WE-D4-09.T Extension of the Convolution/Superposition Based Algorithms to Include Atomic Number Effects N. Papanikolaou* and T. Mackie

3:00 pm

WE-D4-10.T Extraction of Pencil Beam Kernels by Simulated Annealing Optimization B. Salter* and J. Hevezi\

3:10 pm

WE-D4-11.T Analytic Modeling of the Primary X-Ray Dose Deposition Kernels L. Wang*, Y. Zhu, D. Jette

3:20 pm

WE-D4-12.T Accounting for The Collision Kerma/Terma Ratio in Polygenergetic Photon Beam Convolution P. Hoban*

Therapy:

1:30 pm - 3:30 pm								Room 312

1:30 pm

WE-D5-01.T A Dynamic Collimator System for Stereotactic Irradiation of Intracranial Lesions M. Schell*, D. Rosenzweig, F. Yin, Y. Yu, D. Nelson

1:40 pm

WE-D5-02.T Measurements of a Noncircular Stereotactic Collimator with Fluence Compensator for Application to Retinoblastoma R. Cormack*, H. Kooy, J. Loeffler, N. Tarbell

1:50 pm

WE-D5-03.T Verification of Conformal Therapy Delivered Using a Miniature Multileaf Collimator (MMLC) for Stereotactic Radiosurgery and Radiotherapy K. Antes*, A. Shiu, H. Kooy, S. Tung, J. Wong, J. Ewton

2:00 pm

WE-D5-04.T On-Line Verification of Alignment Using An Electronic Portal Imaging Device For Linac-Based Stereotactic Radiosurgery L. Dong*, A. Shiu, S. Tung, A. Boyer

2:10 pm

WE-D5-05.T Use of a Micro-Ionization Chamber and an Anthropomorphic Head Phantom in a Quality Assurance Program for Stereoradiosurgery D. Duggan*

2:20 pm

WE-D5-06.T The Development of a Mailable Phantom for Remote Quality Audit of Stereotactic Radiosurgery P. Balter*, W. Hanson, J. Bencomo

2:30 pm

WE-D5-07.T 3D Analysis of the Influence of MRI Distortion on Stereotactic Radiosurgery K. Ayyangar, E. Parsai*, M. Chan

2:40 pm

WE-D5-08.T Dose Volume Intercomparison of Three Radiosurgery Techniques for an Elongated Target C. Yu*, G. Luxton, G. Jozsef

2:50 pm

WE-D5-09.T Effect of Using an Aperture With a Parallel Plate Ion Chamber on the Calibration and Dose Distance Curve of a Miniature X-Ray Tube P. Biggs*, J. Beatty, T. Yasuda

3:00 pm

WE-D5-10.T Re-Evaluation of Physics Beam Parameters for Small Field Sizes in Stereoradiosurgery Using a Microchamber and Radiochromic Film D. Duggan*

3:10 pm

WE-D5-11.T 3D Reconstruction From Multiple Stereotactic Backprojections D. Yeung* and N. Chen

3:20 pm

WE-D5-12.T Stereotactic Radiosurgery at the Medical College of Ohio with Distinct Features in Dose Optimization K. Ayyangar, E. Parsai*, M. Chan, R. Dobelbower, S. Mange, S. McNeeley, T. Pawlicki, R. Price, A. Sen

Refreshment Break

3:30 pm - 4:00 pm							Exhibit Hall

Symposia

Diagnostic:

4:00 pm - 6:00 pm								Room 210

4:00 pm

WE-E1-01.D Digital Imaging in Core Biopsy Applications M. Tesic, Fischer Imaging Corporation, Denver, CO

4:30 pm

WE-E1-02.D Flat-Panel X-ray Imagers--A Dominant Technology in the 21st Century? L. Antonuk, University of Michigan Medical Center, Ann Arbor, MI

5:00 pm

WE-E1-03.D Digital Mammography: Design of Slot-Beam Imaging Systems M. Yaffe, University of Toronto, Toronto, Ontario, Canada

5:30 pm

WE-E1-04.D Direct Radiography--A New Se-Based Digital Detector W. Bindloss, DuPont Experimental Station, Wilmington, DE

General

4:00 pm - 6:00 pm							Room 311

4:00 pm

WE-E2-01.G MRI Segmentation L. Clarke, University of South Florida, Tampa, FL

4:30 pm

WE-E2-02.G The Accuracy and Reproducibility of MR and CT Image Segmentation Techniques E. Jackson, UT MD Anderson Cancer Center, Houston, TX

5:00 pm

WE-E2-03.G Application of Segmentation in Radiation Treatment Planning C. Pelizzari, University of Chicago, Chicago, IL

5:30 pm

WE-E2-04.G Image Segmentation Applications in Diagnostic Imaging J. Hazle, UT MD Anderson Cancer Center, Houston, TX

Therapy:

4:00 pm - 6:00 pm							Room 312

4:00 pm

WE-E3-01.T NRC's Regulation of Brachytherapy J. Smith, U.S. Nuclear Regulatory Commission, Washington, DC

AAPM Annual Business Meeting

5:45 pm - 6:45 pm								Room 310

Thursday, July 27, 1995

Refresher Courses

7:30 am - 8:30 am

Room 207

TH-A1-01.D Hybrid M-Channel Wavelet Transform Methods: Adaptive, Automatic and Digital W. Qian, University of South Florida, Tampa, FL

Room 208

TH-A2-01.D The Evolution and Present Status of MR Imaging Methods P. Sprawls, Emory University Hospital, Atlanta, GA

Room 210

TH-A3-01.D A Physical Model of Imagination and Creativity J. Cameron, University of Wisconsin, Madison, WI

Room 311

TH-A4-01.D Dosimetry and Treatment Planning for Radioimmunotherapy: Future Directions For More Accurate Internal Dosimetry G. Sgouros, Memorial Sloan-Kettering Cancer Center, New York, NY

Refresher Courses

8:30 am - 9:30 am

Room 207

TH-B1-01.G New Horizons Lecture: Possible Effects of Electromagnetic Fields on Biologic Systems L. Toburen, National Academy of Sciences, Washington, DC

Room 208

Mammography Moderator: Orhan Suleiman, Food and Drug Administration, Rockville, MD

TH-B2-01.D The Medical Physicist's Responsibilities Under MQSA: Quality Assurance and the Annual Physicist Survey Report J. McCrohan, Food and Drug Administration, Rockville, MD

Room 311

TH-B4-00.T Commissioning and Quality Assurance of Treatment Planning Systems:

-01.T Quality Assurance of Imaging Used for Treatment Planning R. Ten Haken, University of Michigan Medical Center, Ann Arbor, MI

-02.T Quality Assurance of Stereotactic Radiosurgery Treatment Planning F. Bova, University of Florida, Gainesville, FL

Room 312

TH-B5-01.T Applications of Clinical Thermoluminescent Dosimetry L. De Werd, University of Wisconsin-Madison, Madison, WI

Coffee Break

9:30 am - 10:00 am							Exhibit Hall

Scientific Sessions

Diagnostic:

10:00 am - 11:00 am							Room 207

10:00 am

TH-C1-01.D Preliminary Beam Hardening Correction for Iodinated Contrast Agents in Computed Tomography C. Ruth* and P. Joseph

10:10 am

TH-C1-02.D Monolithically Integrated X-Ray Detector for Computed Tomography R. Sudharsanan*, R. Deych, B. Tuval, J. Dobbs, B. McCandless, P. Meyers, N.Karam

10:20 am

TH-C1-03.D Computed Tomography Dose Descriptors J. Atherton* and W. Huda

10:30 am

TH-C1-04.D New CT Scanning Modes: Impact on Dose and Image Quality S. Metz* and D. Jacobsen

10:40 am

TH-C1-05.D Acquisition and Processing of Helical X-Ray Computed Tomography Data for Angiography D. McCown* and J. Hazle

Diagnostic:

11:00 am - 12:00 noon								Room 207

11:00 am

TH-C1-06.D Breast Shape Classification: Design of X-ray Equalization Filters for Mammography B. Liu*, H. Chan, M. Goodsitt

11:10 am

TH-C1-07.D The 3-Dimensional Morphological Analysis of Breast Calcifications A. Maidment*, S. Feig, E. Conant

11:20 am

TH-C1-08.D Quantitative Analysis of Breast Density in Mammography M. Weber*, C. Kuni, E. Ritenour

11:30 am

TH-C1-09.D Computer Assisted Quality Control RMI-156 Breast Phantom Images K. Brooks*, T. Fox, J. Trueblood, L. Davis

11:40 am

TH-C1-10.D Adaptive Multiple Nonlinear Filter and Wavelets for the Enhancement of Medical Image W. Qian* and L. Clarke

11:50 am

TH-C1-11.D A Signal-to-Noise Study of Breast Tissue Composition Measurements with Dual-energy Digital Mammography D. Breitenstein*, C. Shaw, T. Wang

Diagnostic:

10:00 am - 11:00 am							Room 208

10:00 am

TH-C2-01.D Quality Assurance (QA) Quality Control (QC) of a Digital Image Management System D. Tucker* and M. McEachern

10:10 am

TH-C2-02.D Challenge for Medical Physics in the Next Century: Quality Control for the Digital Radiology Department C. Willis*, J. Weiser, J. Romlein, J. Carter, G. Norton

10:20 am

TH-C2-03.D Design for Phased Implementation of a Total Digital Department J. Honeyman*, X. M. Frost, W. Hhuda, E. Staab

10:30 am

TH-C2-04.D Development of a Low Cost Method to Provide Digitized Radiographs to Referring Physicians L. Hefner*, W. Guy, D. Bakalyar, M. Madrazo

10:40 am

TH-C2-05.D Digital Mammography: The Compression Scheme Based on Image Enhancement and Segmentation Using Wavelet Transforms W. Qian*, L. Li, H. Li, L. Clarke

10:50 am

TH-C2-06.D Accuracy of Diagnosis on Digitized Teleradiology Images A. Larsson*, D. Lynch, B. Zeligman, C. Harlow, G. Thieme, R. Kilcoyne

Therapy:

10:00 am - 12:00 noon							Room 311

10:00 am

TH-C4-01.T Design and Implementation of a High Speed Matrix Ionization Chamber System M. van Herk*, W. Fencel, A. van Dalen

10:10 am

TH-C4-02.T Initial Clinical Images with a Large-Area, Flat-Panel Megavoltage Imager L. P. Antonuk*, Y. El-Mohri, W. Huang, H. Sandler, J. Siewerdsen, J. Yorkston

10:20 am

TH-C4-03.T MTF Measurements with an a-Si:H Flat Panel Imager at Megavoltage Energies J. Yorkston*, L. Antonuk, N. Seraji, J. Siewerdson, Y. El-Mohri, W. Huang

10:30 am

TH-C4-04.T Perfromance Evaluation of Electronic Portal Imaging Devices K. Luchka*, R. P. Rajapakshe, G. Gluhchev, S. Shalev

10:40 am

TH-C4-05.T A New Image Registration Method: Phase-Only Correlation J. Wang*, L. Reinstein, J. Hanley, A. Meek

10:50 am

TH-C4-06.T Grayscale Image Registration Procedure L. Dong* and A. Boyer

11:00 am

TH-C4-07.T Automatic 3-Dimensional Matching of CT and MR of the Pelvis M. van Herk*, J. X. van Munck, H. Kooy

11:10 am

TH-C4-08.T Warping CT Scans from Non-Teatment to Treatment Position J. Galvin*, K. Han, M. Noz, T. Vaccaro, D. Reddy, J. Cooper

11:20 am

TH-C4-09.T Modeling Portal Dose Using the Convolution/Superposition Method T. McNutt*, T. Mackie, P. Reckwerdt, N. Papanikolaou, B. Paliwal

11:30 am

TH-C4-10.T Prediction of Portal Dose Images for In Vivo Dosimetry in Radiotherapy B. Heijmen*, K. Pasma, M. Kroonwijk, A. Visser, H. Huizenga

11:40 am

TH-C4-11.T Transmission Dosimetry with a Liquid-Filled Electronic Portal Imaging Device M. Essers*, R. Boellaard, M. van Herk, J. Lanson, B. Mijnheer

11:50 am

TH-C4-12.T Exit Dosimetry with an Electronic Portal Imaging Device R. Rajapakshe*, K. Luchka, S. Shalev

Therapy:

10:00 am - 12:00 noon							Room 312

10:00 am

TH-C5-01.T Molecular Dosimetry of Radiation Induced Hydroxyl Radicals Using a Chromatin-Incorporated Fluorescent Molecule G. Makrigiorgos*, A. Mahmood, E. Bump, A. Jones, A. Kassis

10:10 am

TH-C5-02.T A New Technique for Partial Cell Irradiation: A Study of the Distribution of Radiosensitive Sites B. Nelms*

10:20 am

TH-C5-03.T Dosimetry for a 0.3-10 keV X-Ray Tube for Cell Irradiation S. Rassow*

10:30 am

TH-C5-04.T Ultrasound Tomography of the Breast using a Hyperthermia Treatment Device R. Cormack*, G. Svensson, E. Burdette

10:40 am

TH-C5-05.T Angular and Energy Distribution of Neutrons Around Radiotherapy Accelerators K. Kase*, X. Mao, J. Liu, W. Nelson, J. Kleck

10:50 am

TH-C5-06.T A Method for Calculating the Dose Due to Capture Gamma Rays in Accelerator Mazes P. McGinley*, M. Miner, M. Mitchum

11:00 am

TH-C5-07.T Dose Distributions Calculated with the PEREGRINE All-Particle Monte Carlo Code C. Hartmann-Siantar*, W. Chandler, M. Chadwick, H. Blann, L. Cox, D. Resler, J. Rathkopf, T. Mackie, J. Siebers, M. Ross, P. DeLuca, K. Weaver, R. White

11:10 am

TH-C5-08.T Two-Dimensional Plastic Scintillator for Dosimetry of Dynamic Intensity Modulation K. Chawla*, D. Jaffray, C. Yu, J. Wong

11:20 am

TH-C5-09.T Quantitative Radiochromic Film Dosimetry : Linearity and Reproducibility Y. Zhu*, J. Williamson, A. Meigooni, V. Mishra

11:30 am

TH-C5-10.T Characteristics of the Newly Designed Parallel-Plate Chamber for Photon and Electron Dosimetry C. Mubata* and A. Warrington

11:40 am

TH-C5-11.T A New Realtime Detector-Array for Dosimetry K. Dorner*

11:50 am

TH-C5-12.T Radiation Dose Perturbation at Tissue-Titanium Dental Interfaces in Head and Neck Cancer Patients A. Niroomand-Rad*, R. Razavi, S. Thobejane, K. Harter

Board of Directors Meeting

1:00 pm - 6:00 pm		Boston Marriott Copley Place/Salon G

Scientific Sessions

Diagnostic:

1:30 pm - 3:30 pm					Room 207

1:30 pm

TH-D1-01.D Unification of Image Blur and Noise Using a Stochastic Convolution Operator I. Cummingham*, M. Westmore, A. Fenster

1:40 pm

TH-D1-02.D Large-Area, Flat-Panel, Diagnostic X-ray Imagers L. Antonuk*, Y. El-Mohri, W. Huang, J. Siewerdsen, J. Yorkston

1:50 pm

TH-D1-03.D Relationship Between Absorbed Energy, Sensitivity, Latitude and Pixel Value in a Computed Radiography D. Tucker* and S. Tang

2:00 pm

TH-D1-04.D MTF Properties in Dual-Screen Storage Phosphor Imaging T. Wang*, C. Shaw, D. Breitenstein

2:10 pm

TH-D1-05.D Bone Mineral Density Measurement Using Dual-Energy Computed Radiography C. Kim* and C. Wilson

2:20 pm

TH-D1-06.D Regularization Method for Scatter-glare Correction R. Close* and J. Whiting

2:30 pm

TH-D1-07.D A High Resolution Storage Phosphor Imaging System for Mammographic Imaging C. Shaw*, T. Wang, D. Breitenstein, J. Herron, D. Gur

2:40 pm

TH-D1-08.D Microdensitometer Parameters for Mammography Digitizers P. Bloch*

2:50 pm

TH-D1-09.D Scattered Radiation in Mammography: Implications for the Use of Grids in Digital Mammography L. Niklason*, M. Rosol, D. Kopans

3:00 pm

TH-D1-10.D Evaluation of a Time Delay and Integration-based Coupled Device Camera for Digital Mammography M. Piccaro*

3:10 pm

TH-D1-11.D Digital Mammography Employing Layered Synthetic Microstructures C. Mitchell*, J. Hernandez, C. Logan, L. Mascio, M. Piccaro

3:20 pm

TH-D1-12.D MTF of CSI Scintillator from Transport of Secondary X-Rays C. Logan*, J. Gordon, J. Hernandez, D. Lewis, L. Mascio

Continuing Education Course

1:30 pm - 3:30 pm							Room 210

TH-D3-01.CEC Control and Safety of Brachytherapy Sources, HDR Units and Teletherapy W. Furr, VA Medical Center, Durham, NC

Scientific Sessions

Therapy:

1:30 pm - 3:30 pm							Room 311

1:30 pm

TH-D4-01.T Use of a Multileaf Collimator as a Dynamic Missing Tissue Compensator A. Boyer, N. Wells*, P. Geis

1:40 pm

TH-D4-02.T A Numerical Algorithm for Multileaf Collimator Dynamic Beam Intensity Modulation S. Zhou*, I. Khalil, L. Verhey

1:50 pm

TH-D4-03.T MLC Based Segmental Intensity Modulation: How Many Segments are Necessary K. Forster*, H. Sandler, B. Fraass

2:00 pm

TH-D4-04.T Computerized Compensating Filter Design and Fabrication Using Data from an Electronic Portal Imaging Device B. Gerbi*, D. Robach

2:10 pm

TH-D4-05.T Dosimetric Verification of Intensity-Modulated Treatment X. Wang*, S. Spirou, T. LoSasso, C. Chui, R. Mohan

2:20 pm

TH-D4-06.T A Tomotherapy Simulation System T. Mackie*, J. Yang, P. Reckwerdt, P. DeLuca, B. Geiser, T. McNutt, B. Paliwal

2:30 pm

TH-D4-07.T Modulated Intensity Delivery with Rotational Beam in a Phantom Reference Frame J. Yang*, T. Mackie, P. Reckwerdt, T. Holmes, T. McNutt

2:40 pm

TH-D4-08.T Collision Detection and Avoidance in Treatment Planning J. Humm*, E. Fleischman, D. Pizzuto

2:50 pm

TH-D4-09.T Collision Avoidance Algorithm for a Fully Automated Clinac J. Bayouth*, A. Kalend, M. Muthuswamy, M. Izadbakhsh, J. Greenberger

3:00 pm

TH-D4-10.T Clinical Introduction of a Commercial Treatment Chair to Facilitate Thorax Irradiation E. Klein* and T. Wassermann

3:10 pm

TH-D4-11.T 3-D Photon Dose Comparison of Four Different TBI Techniques S. Ray* and M. Sontag

3:20 pm

TH-D4-12.T Simple Method for Matching Abutting Electron Fields L. Xing*

Therapy:

1:30 pm - 3:30 pm								Room 312

1:30 pm

TH-D5-01.T Quality Assurance Testing for Software Upgrading of the CMS Modulex Computerized Treatment Planning System Z. Li*, W. Harms, E. Klein, D. Low, J. Williamson, J. Purdy

1:40 pm

TH-D5-02.T Quality Assurance Procedures and Performance Testing for CT Simulators R. D. Gerber* and J. Purdy

1:50 pm

TH-D5-03.T Daily Dosimetric Quality Control of the MM50 Racetrack Microtron Using an EPID B. Heijmen*, M. Dirkx, M. Kroonwijk, J. de Boer

2:00 pm

TH-D5-04.T Analysis of Variations in Geometric Parameters of the Radiotherapy Machine in the Course of Tangential Breast Irradiation M. Czerminska* and G. Svensson

2:10 pm

TH-D5-05.T Verification of Two-dimensional Photon Compensating Filters for Beam Intensity, Modulation Using an Electronic Portal Imaging Device D. Low*, Z. Li, A. Cheng, E. Klein, J. Matthews, W. Bosch, W. Harms, J. Purdy

2:20 pm

TH-D5-06.T A Solid Water Pelvic and Prostate Phantom for Imaging, Volume Rendering, Treatment Planning and Dosimetry Applications B. Paliwal*, M. Ritter, T. McNutt, T. Mackie, B. Thomadsen, J. Purdy

2:30 pm

TH-D5-07.T Quality Assurance Program By Exit Dose In Vivo Measurements with Diodes. Clinical Implementation R. Alecu, J. Feldmeier, L. Kaschalk, M. Alecu*, W. Court, G. Ezzell

2:40 pm

TH-D5-08.T Quality Control of Monitor Unit Computations by In Vivo Dosimetry B. Mijnheer*, M. Essers, S. Heukelom, J. Lanson, H. Uiterwall

2:50 pm

TH-D5-09.T In Vivo Dosimetry During Lung Cancer Treatment Using Diodes and a Portal Imaging Device M. Essers*, T. Schnabel, J. Lanson, B. Mihnheer

3:00 pm

TH-D5-10.T Implementation of a Document Management System for Radiotherapy Physics D. Biggs*, K. Ball, R. Hutchings, E. Thomson

3:10 pm

TH-D5-11.T Use of a PACS to Implement `Filmless' Radiation Therapy Treatments: Clinical Results of the First 140 Patients K. McGee*, M. Hunt, E. Martin, D. Schmidt, L. Coia, T. Schultheiss, G. Hanks, W. Lee, I. Das

3:20 pm

TH-D5-12.T First Clinical Experience with an Integrated Radiation Oncology Information System A. Williams* and M. Herman

Refreshment Break

3:30 pm - 4:00 pm							Exhibit Hall

Symposia

Diagnostic:

4:00 pm - 5:30 pm							Room 210

TH-E1-01.D Psychophysics of Radiological Images P. Judy, Brigham and Women's Hospital, Boston, MA

TH-E1-02.D Evaluation of Diagnostic Aids in Mammography S. Seltzer, Brigham and Women's Hospital, Boston, MA

TH-E1-03.D A Psychologist's View of Psychophysical Studies in Medical Imaging K. Berbaum, University of Iowa, Iowa City, IA

Therapy:

4:00 pm - 5:30 pm							Room 312

TH-E2 Dose Equivalence in Brachytherapy

-01.T Presentation D. Zellmer, Medical College of Wisconsin, Milwaukee, WI

-02.T Clinical Applications of High-Dose-Rate (HDR) Brachytherapy J. Stitt, University of Wisconsin, Madison, WI

Therapy Posters

12:00 noon - 1:30 pm							Exhibit Hall D

PO-A-01.T Optimizing HDR Source Setups Using Dose-Volume Ratios J. Schella*

PO-A-02.T Clinical Electron Beam Dosimetry: Experience Gained in Implementing the TG25 and TG39 Protocols J. Williams* and S. Agarwal

PO-A-03.T Measuring the Fluence of Clinical Electron Beams M. Zaini* and B. Thomadsen

PO-A-04.T Incorporation of Single Scattering Into Gaussian Multiple-Scattering Theory D. Jette*

PO-A-05.T The Effect of Electron Single Scattering on Calculated Dose Distributions in Inhomogeneous Media B. Haneman*, S. Walker, L. Wang, D. Jette

PO-A-06.T A Practical Model For Accurate Electron Dose Calculation B. Haneman*, D. Jette, S. Walker

PO-A-07.T Electron Percent Depth Dose and Cone Ratio Data From Various Machines D. Davis*, D. Followill, P. Kennedy, W. Hanson

PO-A-08.T Angular Distributions of Clinical Electron Beams from Various Accelerators G. Ding*, D. Rogers, T. Mackie

PO-A-09.T BTree Vector Compression Applied to Monte-Carlo Phase Space B. Geiser*, P. Reckwerdt, T. Mackie, M. Holmes, G. Ding

PO-A-10.T Representation of the Energy Spectrum and Compton Electron Distribution in Photon Beams S. Walker*, D. Jette, L. Wang, B. Haneman

PO-A-11.T An Analytical Relationship Between Cell Survival and Microdosimetric Spectra for Internal Alpha Particle Emitting Radionuclides J. Roeske* and T. Stinchcomb

PO-A-12.T Extended SAD Measurements of Cone Output Factors For 10 MV Stereotactic Radiosurgery N. Yang*, Y. Cong, A. Williams, T. Frankel, M. Herman

PO-A-13.T The Integral Dose Revisit for Brain Tumors and Metastases Treated with Stereotactic Radiosurgery N. Yang*, R. Timmerman, Y. Cong, M. Herman, J. Williams

PO-A-14.T Analysis and Correction for Gantry Sag in Linac-Based Stereotactic Radiotherapy (SRT) J. Tsai*, B. Curran, M. Engler

PO-A-15.T Comparison of Treatment Plans Obtained with a Stereotatic Radiotherapy System to Plans Optimized for Intensity Modulated Radiotherapy M. Engler*, J. Tsai, B. Curran, A. Bleier, M. Carol

PO-A-16.T Quality of Audit of Radiosurgery Dosimetry Using Mailed Phantoms M. Stovall*, P. Balter, W. Hanson, A. Cole

PO-A-17.T A Pseudo-Conformal Approach to Optimized Dose Delivery for Radiosurgery R. Wasserman, C. Sibata, R. Acharya, K. Shin

PO-A-18.T Commissioning A Computerized Treatment Planning System for Stereotactic Therapy R. Drzymala* and Z. Li

PO-A-19.T Beam Profiles and Dosimetry of Small Fields Used in Radiosurgery I. Das* and M. Downes

PO-A-20.T Optimization of Constrained Linear Systems Using a Binary Coefficient Representation: Application to Inverse Treatment Planning for Conformal Radiotherapy T. Holmes*

PO-A-21.T Comparison of Two Image Reconstruction Algorithms for Radiotherapy Treatment Plan Optimization Z. Chen*, C. Chui, J. Liang, L. Reinstein

PO-A-22.T Output Factors in Asymmetric Multi-MV X-Ray Fields J. van de Geijn*, H. Xie, N. Wersto, R. Miller, R. Greig, C. Wang

PO-A-23.T A New QA Phantom for Expedient Energy and Output Constancy Measurements J. Huang* and L. Reinstein

PO-A-24.T Fast Beam Parameter Optimization J. Somers*, M. Lii, C. Chow, R. Lane

PO-A-25.T Eliminating Interference Fringe Artifacts in Scanning He-Ne Laser Film Densitometry L. Reinstein*

PO-A-26.T Registraton Using Least Square Fitting of Multi-Segments of Anatomical Features in Radiation Therapy J. Cai*, S. Zhou, V. Saxena, J. Chu

PO-A-27.T On Automated Feature Extraction Schemes for Anatomical Registration of Portal Images for Tangential Breast Irradiations K. Leszcynski and S. Loose*

PO-A-28.T Measurement of Patient Setup Errors in Radiotherapy Using Port Films and a Computer-Aided Image Alignment Tool J. Schewe*, J. Balter, K. Lam, R. Ten Haken

PO-A-29.T Customization of Varian RMS to Support In-Vivo Patient Dosimetry Using Diodes D. Fontenla*, J. Curran, R. Yaparpalvi, M. Ahmed, B. Vikram

PO-A-30.T A Procedure to Facilitate Interlock Checks in Medical Linear Accelerators D. Fontenla*, G. Abelson, G. Gorner

Diagnostic Physics, Nuclear Medicine and General Physics Posters:

PO-B-01.D Effect of CT Scanning Technique on the Diagnosis of Pancreatic Adeno-Carcinoma, an ROC Analysis J. BenComo*, C. Charnsangavey, D. Herron, D. Johnston

PO-D-01.D A Dual Entrance Window, Wide Energy Range M. Labbe* and R. Kobistek

PO-E-01.D Dependence of Contrast and Dose on Variations in Mammographic Parameters M. Tobin*, D. Bednarek, S. Rudin

PO-E-02.D Optimization of Mammography Contrast Ratios Using Calculated X-Ray Spectra M. Miller*, R. Waggener, W. Payne

PO-E-03.D Multiple Half Value Layer Calculations Based on Molybdenum X-Ray Spectra R. Waggener*, M. Miller, W. Payne

PO-E-04.D Microfocus Magnification Mammography D. Bassano*, A. Krol, C. Chamberlain, S. Prasad

PO-E-05.D Scatter Reduction in Mammography with Air Gap A. Krol*, D. Bassano, S. Prasad

PO-E-06.D Quantitative Analysis of Mammography Phantom Images: Extensions to Methodology D. Chakraborty*, Q. Qian, B. Yang

PO-E-07.D New Method to Monitor Beam Quality in Mammography Quality Control Programs B. Galkin*, S. Feig, W. Drury

PO-F-01.D The Effect of the Chemical Shift on MR Imaging Y. Kim*, K. Kim, J. Kim, S. Kim

PO-F-02.D Correction of Intensity Nonuniformity in High Field (1.5T) MR Imaging F. Mohamed*, S. Vinitski, S. Seshagiri, H. Ortega, C. Gonzalez, C. Burnett

PO-F-03.D Electromagnetic Field Penetration in Cylindrical Objects for MRI Applications F. Zypman*

PO-F-04.D The Efficacy of Paramagnetic Ions on Spin Lattice Relaxation Time in Biological Systems S. Akber* and S. Farooq

PO-G-01.D The Impact of a Mini-PACS System on a Small Ultrasound Department E. Boote*

PO-H-01.D Finger-Tip Radiation Exposure During Angiographic and Interventional Radiological Procedures H. Kuan*, J. Ferretti, G. Babigian, A. Boykin

PO-V-01.N Observed Variation in the Center of Rotation Error Due to Type of Collimator in Single Detector Spect Systems A. Jabir*

PO-V-02.N Simple vs Complex Conceptus Calculations for Conception Post I131 Hyperthyroidism Treatment M. Brules*

PO-Y-01.G Re-evaluation of Ration, a Scattered to Incident Exposure: Implications for Diagnostic X-Ray Shielding Design D. Allard* and J. Dapolito

PO-Y-02.G Possibilities and Limitations of Neutron Spectroscopy of Fast Neutrons with Bubble Detectors H. Kronholz*, W. Rosenstock, G. Jaunich, T. Schange

PO-Z-01.G A Jelly Form Reagent for Cancer Diagnosis by Urine Color Reaction Y. Kim*, M. Lee, Y. Kim, J. Jung

PO-Z-02.D The Properties of X-radiation as Determined by Professor Wilhelm Roentgen P. Sprawls*

Electronic Posters:

EP-A-01.D Software Package for Operator-Independent Characterization of Myocardial Perfusion Scans P. Slomka*, G. Hurwitz, J. Stephenson

EP-E-01.D Quantitative Analysis of Mammography Phantom Images: A Demonstration D. Chakraborty*, Q. Qian, B. Yang

EP-K-01.T Correction of Dose Instabilities in a Linear Accelerator R. Nelson* , T. Djemil, S. Rodgiruez

EP-R-01.T Processing and Analysis of Portal Images on a PC Computer S. Shalev*, G. Gluhehev, D. Chen, R. Rajapakshe, K. Luchka

EP-W-01.N A Volume-based Image Registration Toolkit for Automated Comparison of Paired Nuclear Medicine Images P. Slomka*, G. Hurwitz, J. Stephenson, R. Reid

Joint Poster Session of AAPM and Health Physics Society:

PO-HPS-01.HP Skin Entrance Exposure with Dose-Area Product Meter R. L. Chu*

PO-HPS-02.HP The Distribution of Stray Radiation Patterns in a Cardiac Catheterization Laboratory D. Marx* and S. Balter

PO-HPS-03.HP Absorbed Dose Mapping in Self-Shielded Irradiators Using Direct Reading Mosfet Dosimeters M. Spender*, A. Hartshom, G. Mackay, I. Thomson

PO-HPS-04.HP IR-192 High Dose Rate Remote Afterloading Dose Calculation Verification R. Scala*

PO-HPS-05.HP Calculation of the Dose to the Ovaries and Uterus for Women Employed in the Radium Watch Dial Industry J. Roeske* and T. Stinchcomb

PO-HPS-06.HP In-Situ Radiopharmaceutical Exposures C. Tarpley* and R. Ice

PO-HPS-07.HP Optimizing Neutron Fluence From Low Energy Accelerators for Treating Brain Tumors With BNCT R. Kudchadker*, J. Kunze, Y. Lo

PO-HPS-08.HP Patterns of Brachytherapy Use at the Memorial Hospital 1960 - 1990 J. St. Germain* and J. Laughlin

PO-HPS-09.HP Development and Marketing of a Quality Management Program (QMP) M. Fitzgerald*, B. Goetz, R. Ice

PO-HPS-10.HP New Jersey's Incorporation of Quality Assurance and Physicists Credentials into Their X-Ray M. Moore* and K. Steidley

PAPER EXHIBITS							Exhibit Hall D

Diagnostic Papers:

PA-C-01.D A dual-screen storage phosphor imaging technique for SNR improvement T. Wang*, C. Shaw, D. Breitenstein, D. Gur

PA-E-01.D Four-Channel Filter Banks and Wavelets for Segmentation MCC's in Mammography L. Clarke*, W. Qian, D. Song, H. Li, P. Vengopal, M. Kallergi

PA-G-01.D Implementation of a MiniPACS Display System for Large Screen Conferences L. Hefner* and A. Shetty

PA-H-01.D A Quality Control Phantom for Stereotactic Localization D. Jacobson*

PA-H-02.D A System for High Precision Dosimetry R. Tawil*, J. Rotunda, K. Velbeck

Therapy Papers:

PA-J-01.T Characterization of a Clinically Relevant Maximum Dose Volume In Interstitial Brachytherapy E. Mullokandov*, G. Gejerman, J. Beitler, B. Vikram, D. Fontenla

PA-J-02.T Optimization of Brachytherapy Source Strengths in the Treatment of Cervical Cancer J. Roeske*, A. Mundt, H. Halpern

PA-J-03.T Techniques and Dosimetric Evaluation of IR-192 Prostate Implant N. Ikoro*, M. Cosma, H. Ashmalla

PA-J-04.T Ir-192 Source Anisotropy in an HDR Fletcher Gynecological Applicator R. Luse* and M. Phillips

PA-J-05.T Position Histogram Analysis of Prostate Implant Seed Placement D. Mellenberg*, E. Pennington, W. Neeranjun, J. Wheeler, J. Donovan, D. Hussey

PA-J-06.T A Comparative Study of Prostate Implants Using Au-198, I-125 and Pd-103 D. Mellenberg*, E. Pennington, W. Neeranjun, J. Wheeler, J. Donovan, D. Hussey

PA-J-07.T US/CT Correlation of Prostate Volumes for Evaluation of Permanent Prostate Implants V. Narayana*, P. Roberson, P. McLaughlin, R. Winfield

PA-J-08.T Computerized Pre-Treatment and Post-Treatment Planning for Ultrasound Guided I-125 Prostate Implants G. Fichtinger*, C. Rogers, T. Wu, L. Rosen, B. Wessels

PA-J-09.T CT-based Planning With a Universal Template for Transperineal Prostate Implants J. Roy*, K. Wallner, C. Ling, L. Anderson

PA-J-10.T A Generalized Approach for the Calibration and Characterization of Brachytherapy Sources C. Soares* and J. Weaver

PA-J-11.T Monte Carlo Dose-Calculations About a High Intensity Ir-192 Source of High Dose-Rate Brachytherapy K. Fessenden*

PA-J-12.T Measurement and Calculation of Heterogeneity Correction Factors for an Ir-192 High dose Rate Brachytherapy Source Behind Tungsten Alloy and Steel Shields A. Kirov*, J. Williamson, A. Meigooni

PA-J-13.T Variation in Dose Around a Typical 137-Cs Tandem and Ovoid Implant Considering Asymmetric Source Effects J. Prete*, J. Hevezi, J. Marbach, R. Waggener

PA-J-14.T Study of Dose Anisotropy Around the HDR I-192 Brachytherapy Source C. Ballinger*, T. Chen, N. Sahoo

PA-J-15.T Comparison of Nucletron and ROCS Brachytherapy Treatment Planning Systems for LDR and HDR Applications A. Ho*, C. Sibata, K. Shin
>PA-J-16.T Development of the Varisource HDR System A. Wright*, J. Kleck, K. Bueche

PA-J-17.T Rescuing Operation During High-Dose-Rate Afterloading Treatment H. Kronholz*, R. Kugler, A. Herzig, N. Willich

PA-J-18.T TLD Study of the Effect of Dose Anisotropy Around HDR Ir-192 Source on the Treatment Planning for Vaginal Cylinders N. Sahoo*, J. Krishnamoorthy, H. Khout, T. Chen

PA-J-19.T Validation of Anisotropy Data of a High Dose Rate (HDR) Ir-192 Source by Monte Carlo Calculations S. Cho*, W. Reece, J. Poston, Sr.

PA-J-20.T Simple and Effective Verification Method for GYN Three Catheter HDR Brachytherapy Applications E. Chen*

PA-J-21.T Application of One Customized Treatment Plan to Multiple HDR Brachytherapy Gynaecological Insertions T. Chu* and B. Lada

PA-J-22.T Design and Dosimetric Characteristics of an High Dose-Rate Remotely Afterloaded Endocavitary Applicator System A. Meigooni*, Y. Zhu, J. Williamson, R. Myerson, E. Loffler, G. Nussbaum, E. Klein, I. Kodner

PA-J-23.T HDR MicroSelectron Calibration Studies C. Jones*

PA-J-24.T Verification of Brachytherapy Treatment Planning Algorithm Using Syed Applicator G. Cardarelli*, D. Shearer, P. Chougule

PA-J-25.T New Marker Design for Linear Implants J. Hevezi, S. Zhang*, S. Ramaswamy

PA-J-26.T Dose Inhomogeneity Correction in Treating the Nasopharynx Tumor Using I-125 Seeds K. Sedeghi*, W. Bice, B. Prestidge

PA-J-27.T Verification of Pd-103 Seed Positions in a Prostate Implant M. Altschuler*, R. Epperson, A. Kassaee, R. Whittington

PA-J-28.T Compensation for Seed Placement Error during Treatment Planning for Permanent Prostate Implants P. Roberson*, V. Narayana, P. McLaughlin, R. Winfield

PA-J-29.T A New Source Localization Algorithm with Orthogonal Films S. Li*, C. Pelizzari, C. Reft, G. Chen

PA-J-30.T I-125 Prostate Implant: A Simple Algorithm for Automated Source Location Determination Y. Chen*, R. Stanton, R. Holst, C. Koprowski

PA-J-31.T Skin Dose From Brachytherapy Used as the Sole Method of Irradiation in Breast Conservation R. Wilenzick*, B. Pullen, R. Kuske

PA-J-32.T Dosimetric Aspects of High Dose Rate (HDR) Surface Molds for the Treatment of Superficial Lesions S. Deore*, M. Ahmad, P. Lai, J. Deitler, G. Gejerman, R. Yaes, E. Friedenthal, B. Vikram, D. Fontenla

PA-J-33.T A Method to Facilitate Whole Scalp Irradiation Utilizing a High Dose Rate Brachytherapy Mold (HDRBM) T. Mauceri*, J. Beatty, P. Biggs, T. Yasuda, H. Suit

PA-J-34.T Design and Dosimetry of Skin Applicators for Radiobiological Experiments with CLDR and Pulsed Brachytherapy F. Hensley* and P. Fritz

PA-J-35.T Evaluation of Tumor Dose Enhancement Due to BNC in Cf-252 Brachytherapy C. Kota*, J. Wierzbicki, R. Maughan

PA-J-36.T Verification of a New Portable Chromatic Densitometer A. Meigooni*, G. Ibbott, M. Sanders, S. Szeglin

PA-J-37.T Evaluation of a New Sealed Re-entrant Well Chamber for HDR and LDR Brachytherapy Calibration S. Pai* and L. Reinstein

PA-J-38.T Evaluation of a Well-type Ionization Chamber for Calibration of HDR and LDR Brachytherapy Sources A. Ho*, C. Sibata, C. de Souza, R. Castiglione, K. Shin

PA-J-39.T Effects of Beam Spoiler on Radiation Dose for Head and Neck Irradiation with 10 MV Photon Beam A. Niroomand-Rad*, K. Javedan, J. Rodgers, K. Harter

PA-K-01.T Dose Response of the BANG Polymer Gel Dosimeter: Dependence on Post-irradiation Time Delay C. Audet*, M. Maryanski, J. Gore

PA-K-02.T Clinical Advances in High Resolution Film Dosimetry G. Gibbs* and D. Ritt

PA-K-03.T Novel Application of Two-Dimensional Film Dosimetry in Heterogeneous Materials Exposed to Megavoltage Photon Beams R. Mayer*, A. Williams, T. Frankel, Y. Cong, S. Simons, N. Yang, R. Timmerman

PA-K-04.T Image Cross-Talk in Film Digitization H. Shackford* and B. Bjarngard

PA-K-05.T A Study of the Energy Dependence of the Dose and Spatial Responses for Different Thicknesses of Radiochromic Film C. Reft*

PA-K-06.T Calculation of Diode Sensitivity As A Function of Accumulated Dose J. Shi*, T. Sanders, W. Simon

PA-K-07.T Alteration of Photon and Electron Beam Characteristics by Solid State Diodes Used for In-Vivo Dosimetry A. Sen*, E. Parsai, S. McNeeley, K. Ayyangar

PA-K-08.T Correction Factors for Silicon Diode Dosimetry Under Different Radiation Therapy Beam Conditions M. Leu*, P. Rosemark, R. Cook

PA-K-09.T Direct Measurement of Primary Dose for High Energy Photon Beam Using a Diamond Detector M. Quader*, A. Kalend, A. Szalanczy

PA-K-10.T On the Interpretation of TLD Measurements of Gonadal Doses L. Myrianthopoulos, C. Reft, A. Nguyen, Y. Lu

PA-K-11.T Comparison of Fixed-separation Plane-parallel Ionization Chamber to Solid Water Scintillation Detector for Measurements of Dose in the Buildup Region G. Cardarelli*, C. Ma, D. Shearer

PA-K-12.T Effect of Energy, Dose and Dose Rate on Pion C. Cheng*, I. Das, T. LaFrance

PA-K-13.T Wall Thickness of High Density Buildup Caps and Head Scatter for High Energy X-rays W. Sidhu * and L. Moriarity

PA-K-14.T Correction for the Dose Profile Measured by an Ion Chamber using Deconvolution of the Chamber Response Curve B. Waugh*, T. Zhu, J. Palta

PA-K-15.T The Uncertainty in the Absorbed Dose Determination for the Electron Beams Using Plane-Parallel Chambers P. Almond*, Z. Xu, H. Li

PA-K-16.T Verification of the Absorbed Dose Determination with the Plane-Parallel Chambers in the Clinical Electron Beams Following the AAPM TG 39 Protocol Using the Ferrous Sulphate Dosimetry Z. Xu*, H. Li, P. Almond, T. Guan

PA-K-17.T A Direct Approach for Electron Beam Calibration Using Non-Water Phantoms X. Lu* and L. Chin

PA-K-18.T Commissioning the Internal Radiation Monitor of a Miniature X-ray Tube for Stereotactic Radiosurgery P. Biggs*, J. Beatty, T. Yasuda

PA-K-19.T Dosimetry of Small Electron Beams E. Papiez*, S. Ling, R. Gregory

PA-K-20.T Surface Dose Measurements for Highly Oblique Electron Beams P. Ostwald* and T. Kron

PA-K-21.T Backscatter at Interfaces in High Energy Electron Beams P. Ostwald* and T. Kron

PA-K-22.T The Effect of Lung on Photon Beam Profiles and Depth Dose Characteristics for Single and Opposed Fields P. White*, R. Zwicker, D. Huang

PA-K-23.T Dosimetric Effect of Titanium Mandibular Reconstruction Plate for 6 MV Photons R. Stern*, H. Kubo, J. Ryu

PA-K-24.T Flatness Characteristics for Diagonal Scans of Different Energies J. Dawson*, D. Kahler, J. Gu, F. Abrath, R. McDonald

PA-K-25.T Electron Beam Characteristics of a Siemens Digital Mevatron MD2-6740 Linear Accelerator Q. Zaman* and R. Wery

PA-K-26.T Dosimetric Measurements of Intraoperative Electron Beam Therapy System K. Lai, A. Popescu*, K. Singer, M. Phillips

PA-K-27.T Beam Characteristics of the Neurotron 1000 R. Cox* and E. Mok

PA-K-28.T Optimization of Dose Uniformity Intraoperative Cone D. Bernard*

PA-K-29.T Dosimetric Properties of Electron Beams from a Siemens MD-2 Accelerator J. Cygler*, X. Li, E. Lawrence

PA-K-30.T Dosimetric Characteristics of a New Digital Linear Accelerator Z. Hu*, W. Chen, I. Rosenberg, V. Saxena, J. Chu

PA-K-31.T Variation of Inhomogeneity Effects with Photon Energy Z. Zhang*, A. Foster, M. Lamba, H. Elson

PA-K-32.T Dose to the Contralateral Breast from Typical Radiotherapy M. Stovall*, S. Smith, C. Kasper, S. Lorig

PA-K-33.T Dosimetry for Multileaf Collimated Fields J. Shih*

PA-K-34.T Testing of Dynamic Multi-leaf Collimation C. Chui*, S. Spirou, T. LoSasso

PA-K-35.T Dosimetry for Dynamic MLC with Rounded Leaves T. LoSasso*, C. Chui, R. Mohan

PA-K-36.T Characterization of a Dynamic Wedge on a Varian 2100 C/D K. Blodgett*, A. Kalend, M. Quader, Z. Chen

PA-K-37.T Clinical Dosimetry and Experience Using a Dynamic Wedge with 6MV and 15MV X-Rays E. Mok*, C. Weides, W. Chang, D. Findley

PA-K-38.T Universal Dynamic Wedge using a Single Spatial Fluence Map J. Duan*, C. Liu, J. Palta

PA-K-39.T Dosimetry for Fields with Two Pairs of Asymmetric Collimators J. Shih*

PA-K-40.T Use of `Spoiled' Electron Beam in Radiation Therapy D. Bhaduri* and Y. Wang

PA-K-41.T Dependence of the Collimator Settings on the Relative Output Factors of Asymmetric X-Ray Beams W. Kwa*, E. El-Khatib, V. Strgar

PA-K-42.T Comparison of Measured and Calculated Dose for Asymmetric X-ray Beams Defined by Independently Movable Collimators S. Prasad*, A. Krol, D. Bassano

PA-K-43.T A Dose Calculation Model for Dynamic Fields Formed by Moving Jaws Z. Chen*, A. Kalend, K. Blodgett

PA-K-44.T A Limit Value Theorem on the Virtual Transmission Factors in Dynamic Wedged Photon Beams Using a Diamond Detector A. Kalend*, M. Quader, Z. Chen, M. Lim

PA-K-45.T Prediction of Field Size and SSD Dependence of Wedge Factors A. Burian*, S. Heukelom, B. Mijnheer

PA-K-46.T Monitor Unit Calculations for Shaped Fields Generated by a Multileaf Collimator System C. Wuu*, H. Amols, M. Zaider

PA-K-47.T Evaluation of Dose Calculation Algorithm for Multileaf Intensity Modulation Collimators A. Wu*, M. Johnson, A. Chen, S. Kalnicki, A. Bleir, A. Kania, M. Carol

PA-K-48.T Comparison of Rectal Doses Between Standard and Conformal Radiation Therapy for Prostate Cancer D. Wilkinson*, C. Scicutella, A. Wu, S. Kalnicki

PA-K-49.T A New Approach of Calculations of Monitor Unit Setting for Treatment of Patients with Multileaf Intensity Modulation Collimators A. Wu*, M. Johnson, A. Chen, S. Kalnicki, A. Bleier, A. Kania, M. Carol

PA-K-50.T Gap Calculation: Revisited A. Al-Ani* and S. Darwish

PA-K-51.T Blocked Field Effects on Collimator Scatter Factors P. Higgins*, E. Lee, A. Ahuja, D. Mihailidis, F. Khan

PA-K-52.T Evaluation of a 3-D Tissue Compensator Made of Vinyl Lead for Tangential Field Breast Treatment S. Jani*, S. Degenkolb, H. Jin

PA-K-53.T Experience in Tissue Compensation with a Computerized System J. Alappattu*, J. Varghese, C. Moore, P. Philip, F. Khan

PA-K-54.T Dose Distributions of Fast and Thermal Neutrons for a p(50)+Be(26) Neutron Therapy Machine M. Phillips* and G. Estes

PA-K-55.T Thermoluminescence in Clinical Proton and Fast Neutron Beams T. Loncol*, J. Denis, S. Vynckier, A. Wambersie

PA-K-56.T Formulation of Volumetric Parameters to Assess Linac-Based Stereotactic Radiosurgery Photon Beams C. Saw*, L. Korb, A. Wu, S. Kalnicki

PA-K-57.T Dosimetry of a Multileaf Collimator for Stereotactic Radiosurgery Using a Patient Rotator T. Fox*, P. McGinley, I. Crocker, K. Brooks, L. Davis

PA-K-58.T Dose Verification Using A Matrix Ion Chamber Imaging System Y. Cong* and M. Herman

PA-L-01.T TG-21 vs. TG-25: A Comparison for Electrons D. Followill*, D. Davis, W. Hanson

PA-L-02.T A Hybrid Electron Pencil Beam Model Z. Luo* and D. Jette

PA-L-03.T An Electron Loss Correction to Depth Dose D. Wilson*

PA-L-04.T Electron Dose Calculation in Dynamic ARC Therapy for Total Skin Electron Irradiation (TSEI) S. Yun*, Y. Qian, H. Guo, R. Yakoob, A. Aissi

PA-L-05.T Evaluation of the 3D Electron Pencil Beam Algorithm in a New Commercial Treatment Planning System R. Muller-Runkel*

PA-L-06.T Impact of Extended SSD on Electron Beam Widths K. Ayyangar*, C. Saw, R. Dobelbower, L. Korb

PA-L-07.T Dose Calculation Using the Regional Monte Carlo (RMC) Method M. Woo* and D. Scora

PA-M-01.T The Dose Outside the Treatment Volume and its Effect on the Patients Undergoing Localized Neutron Therapy M. Yudelev*, R. Maughan, J. Forman

PA-M-02.T Monte Carlo Derived Proton Energy Distributions J. Siebers*

PA-M-03.T A Convolution Model for Photon Beam Treatment Planning Dosimetry D. Miller*, S. Vatnitsky, J. Siebers, M. Moyers

PA-M-04.T Microdosimetry of the Proton Beam at Loma Linda University Medical Center G. Coutrakon*, J. Cortese, J. Hubbard, J. Johanning, P. Koss, G. Maudsley, R. Slater, C. Zuccarelli

PA-M-07.T Monte Carlo Comparisons of the Lateral Penumbra of Proton Therapy Beams from Cyclotrons and Synchrotrons J. Case* and M. Rabin

PA-N-01.T Field Simulation of Interstitial Microwave Applicators R. Engelbrecht, G. Schaller

PA-N-02.T Experiments Characterizing Interstitial Microwave Hyperthermia Applicators J. Erb*, R. Engelbrecht, G. Schaller, H. Seegenschmiedt

PA-N-03.T TEM Interstitial Microwave Antennas L. Leybovich*, M. Lee, M. Fatyga, J. Ho

PA-N-04.T Theoretical Study of Modified Controlled RF Hyperthermia M. Fatyga*, L. Leybovich, J. Ho

PA-N-05.T A 3-Dimensional Patient Positioning Device For Non-Isocentrically Mounter Hyperthermia Devices J. Hansen*, R. Powers, B. Bornstein, G. Svensson

PA-N-06.T Design and Experimental Verification of an Ultrasonic Hyperthermia Unit for Breast Cancer X. Lu*, G. Svensson, J. Hansen, B. Bornstein, E. Burdette

PA-O-01.T Evaluation of Siemens Virtual Wedge J. Yao*

PA-O-02.T Application of Radioluminescence Spectral Measurements to Plastic Scintillator Dosimeter Design M. Arnfield*, H. Gaballa, R. Zwicker, Q. Islam, R. Schmidt-Ullrich

PA-O-03.T A Photodiode-based Scintillation Dosimeter for Radiotherapy H. Shao*

PA-O-04.T Virtual Wedge Design and Concerns J. Yao*

PA-O-05.T Respiration Gated Radiotherapy Treatment: Technical Study H. Kubo* and B. Hill

PA-O-06.T Use of Brachytherapy Dummy Seeds for Measurement of Displacement of Lung Motion Caused by Respiration H. Kubo* and B. Hill

PA-O-07.T Commissioning a Computer Controlled Tissue Compensator System J. Beatty*, P. Biggs, T. Yasuda

PA-O-08.T Effects of Interleaf Transmission on Intensity Modulation with Multileaf Collimator C. Yu*, M. Du, K. Chawla, D. Jaffray, R. Taylor, J. Wong

PA-O-09.T Intensity Modulated Arc Therapy: An Alternative to Tomotherapy C. Yu*

PA-O-10.T Physical Measurements of Interstitial Fluid Pressure in Patients Undergoing Radiation Therapy for Carcinoma of the Cervix G. King*, K. Karasek, C. Faul, C. Znati, A. Kalend, P. Meneskie, J. Greenberger

PA-P-01.T Photon Dose Distribution by Monte Carlo Simulation on a Parallel Architecture G. Popescu*, P. Taylor, J. Rodgers, S. Hodgson

PA-P-02.T Measurement of Bremsstrahlung Spectra from a Clinical Electron Beam R. Emery* and F. Newman

PA-P-03.T A Comparison of Monte Carlo Dose Spread Arrays and Analytic Kernels for Use with Photon Convolution Calculations J. McGary*, A. Boyer, T. Mackie

PA-P-04.T Generation of 3D Finite Sized Pencil Beam Kernels R. Holt*, M. Luxton, G. Jozsef, G. Luxton

PA-P-05.T Measured vs. Montecarlo-calculated X-ray Pencil-beams C. Ceberg*, T. Zhu, B. Bjarngard, A. Ahnesjö

PA-P-06.T The effect of the flattening on the photon spectrum from a linear accelerator C. Zankowski* and E. Podgorsak

PA-P-07.T 3-D Dose Calculation of Megavoltage X-ray Beams: A 2-D Quad-tree Algorithm G. Luxton*, R. Holt, G. Jozsef, M. Luxton

PA-P-09.T A Phasor Model of Photon Energy Absorption D. Coffey*

PA-P-10.T A Comparison of Three Dose Computation Techniques Incorporating Inhomogeneity in a Simple Lung Tumor Phantom D. Lovelock*, C. Chui, C. Ling, R. Mohan

PA-P-11.T Correction Factor for Inhomogeneities of Finite Size D. Petrov*

PA-P-12.T Implementation of the Kwa's Correction Factor for the Dosimetry of Asymmetric X-Ray Fields W. Kwa*, R. Harrison, E. El-Khatib

PA-P-13.T Dynamic Wedging of Irregular Field Shapes Using a Multileaf Collimator D. Goff*

PA-P-14.T An Algorithm for the Calculation of Dose Distribution from Dynamic Wedges P. Storchi*, E. Woudstra, P. Verlinde, D. Bax

PA-P-15.T The Characteristics of Dynamic Wedge Factors for 6 MV and 18 MV Photon Beams R. Shih*, I. Rosenberg, J. Chu, W. Hsu

PA-P-16.T Calculation of Normalized Field-Size Dependent Wedge Transmission Factors C. Chu* and W. Hanson

PA-P-17.T Tissue-Phantom Ratios From Percentage Depth Doses B. Barngard* and T. Zhu

PA-P-18.T A Fast Approach to Calculate Photon Dose in Arc Therapy T. Suh*, B. Shoe, S. Yoon, K. Shinn, C. Park, S. Ha

PA-P-19.T The Physical Basis for the Area Over Perimeter Rule for Equivalent Squares P. McDermott*

PA-P-20.T Evaluation of Dose Delivery Based on a Comparison of Dosimetry Calculations Using Open Beam and Wedged Beam Depth Dose Data A. Ho*, M. Podgorsak, C. Sibata, K. Shin

PA-P-21.T Parameterization of the Transmission Data Used in Megavoltage Shielding Calculations M. Podgorsak*, A. Ho, J. Balog, C. Sibata

PA-P-22.T Segmented Scatter Ratios as an Entity for Irregular Dose Integration in Dynamically Wedged Photon Beams S. Leipner* and A. Kalend

PA-Q-01.T Quality Assurance Measures for the Theraplan Treatment Planning System for Photons J. Ashburn*

PA-Q-02.T Influence of Diodes on Dose Distributions R. Alecu*, M. Alecu, J. Feldmeier, W. Court, C. Orton

PA-Q-03.T Effect of Temperature and pressure changes on relative ionization chamber measurements D. Plenkovich* and R. Chan

PA-Q-04.T Portal Image and Virtual Wedge Quality Assurance J. Yao*

PA-Q-05.T Setup Uncertainty in CT Simulation W. Fong*, L. Bell, C. Digel, M. Greenberg, C. Thomson, M. Herman

PA-Q-06.T Target Point Verification of Frameless Fractionated Stereotactic Radiotherapy T. Wu*, L. Der. L Harisiadis, G. Fichtinger, E. Yorke, K. Wechsler-Jentzsch, N. Frayser, R. Summe, H. Aghdam, B. Wessels

PA-Q-07.T Quality Assurance Trends in Radiation Dose Output for Assessing Long Term Operation of a Clinical Linear Accelerator C. Nyerick*, M. Davis, D. Raj, A. Borthakur

PA-Q-09.T Migration to a LAN-based QA Software Tool Reallocates Medical Physics Resources C. Rosen*, J. Deye, V. Raju, R. Stark

PA-Q-12.T Implementation of NRC-Mandated Quality Management Program J. Palta*, K. Hintenlang, T. Zhu

PA-Q-13.T Pamela Youde Hospital's Experience With the Siemens Virtual Wedge Option K. Chan*, W. Chan, A. Lee, M. McCarthy, J. Yao

PA-Q-14.T Characteristics of a Scintillator-Based Daily QA Device for Radiation Oncology I. Das* and M. Gazda

PA-Q-15.T Realtime GT-, AB- Cross Beam Profiles and Beam Quality K. Dörner*

PA-Q-16.T Evaluation of Two Methods for Electron Beam Energy Quality Control Measures C. De Souza*, C. Sibata, L. Caldas, A. Ho, J. Shin

PA-Q-17.T A Simple Device for Beam Alignment Verification in Breast External Beam Therapy P. Halvorsen*

PA-Q-18.T Radiation Therapy Port Films: A Quality Assurance Study S. Chan*, D. Banks, T. Morgan, A. Kagan

PA-R-01.T Therapy Imaging with Scattered Radiation M. Herman*, Y. Cheng, M. Danos, J. Motz

PA-R-02.T Virtual Simulation and Its Applications in Radiotherapy Treatment Planning D. Yeung*, N. Chen, V. Frouhar, L. Kun

PA-R-03.T Fusion of Digital Reconstruction Radiograph and Its MR Parallel for Radiotherapy Treatment D. Yeung*, N. Chen, L. Kun

PA-R-04.T Evaluation of Several DuPont Portal Film Systems H. Li*, Z. Xu, P. Almond

PA-R-05.T Commissioning an Electronic Portal Imaging Device S. Shalev* and G. Gluhchev

PA-R-06.T Evaluation of Patient Setup Procedures in Radiotherapy Using a Portal Imaging System C. Mubata*, C. Jones, A. Bidmead

PA-R-07.T A Comparison of Decision Rules For the Correction of Patient Setup Errors G. Gluhchev* and S. Shalev

PA-R-08.T Implanted Targeting Seeds and Improved Electronic Portal Imaging in Computer Controlled Radiation T. Cetas*, E. Gross, Y. Contractor, H. Roehrig, C. Cheng

PA-R-09.T Automated Feature Extraction in Tangential Breast Portal Images F. Yin*, W. Lai, C. Chen, N. Nelson, M. Schell, P. Rubin

PA-R-10.T A Comparison of Imaging Characteristics of an Ionization Chamber Based Varian Portal Imager and Port Film for 6 MV and 18 MV Photons M. Muthuswamy* and A. Kalend

PA-R-12.T Digital Image Restoration for Degraded Port Film Images H. Syh*, G. Rekha, P. Kumar

PA-R-13.T Contrast Enhancement of Portal Images with Adaptive Histogram Clip G. Gluhchev* and S. Shalev

PA-R-14.T Automatic Radio-opaque Marker Detection with On-Line Portal Imaging in Prostate Treatment L. Girouard*, J. Pouliot, E. Vigneault, J. Laverdiere, X. Maldague, A. Zaccarin

PA-R-15.T Routine Use of EPI for Clinical Portal Imaging Y. Cong* and M. Herman

PA-R-16.T A Novel Scheme for the Compression of Portal Images C. Chen*, F. Yin, W. Lai

PA-R-17.T Acceptance Testing and Commissioning of a Simulator-CT System S. Sharma* and M. Johnson

PA-R-18.T Imaging Electron Treatments with an EPID R. Rajapakshe*, K. Luchka, S. Shalev

PA-R-19.T Characterization of a CCD-Based Fluoroscopic Portal Imager D. Jaffray*, K. Chawla, J. Wong

PA-S-01.T Set-up Uncertainties and Tumor Cell Repopulation Partially offset the Radiobiological Advantage of Fractionated Stereotactic Radiotherapy Y. Lo*, C. Ling, D. Larson

PA-S-02.T Design and Construction of 3-D Step-Wedges for Multi-Dose Irradiation of Multi-Well Cell Culture Chambers D. McRae*, T. Jorgensen, P. Russell

PA-S-03.T Low Dose Rate Response of an In Vitro Cell Model for Later Responding Tissue D. Zellmer*, J. Shadley, F. Xu

PA-S-04.T A TCP/NTCP Model Incorporating Inter-and Intra- Fractional Variation in Dose Delivery E. Fontenla*, C. Pelizzari, G. Chen

PA-S-07.T On the Application of the Linear-Quadratic Formalism to Predict Treatment Outcome and Equivalent Temporal Schemes of Dose Delivery M. Zaider* and C. Wuu

PA-T-01.T Comparison of Beam Data for a Prototype Robotic Stereotactic Radiosurgery System S. Chenery*, J. Bayouth, A. Kalend, P. Wong, G. Spalek, C. Lee, W. Main

PA-T-02.T An Approach Based on Target Shape for Optimal Treatment Planning on the Gamma Unit Q. Wu* and J. Bourland

PA-T-03.T Dose In the Buildup Region of Radiosurgical Beams S. Rustgi* and D. Frye

PA-T-04.T Improving the Accuracy of Dose Delivery in Stereotactic Radiotherapy When the Couch Axis Rotation is Increasing the Error in the Combined Isocenter R. Errabolu*, M. Burhoe, R. Harlan, M. Fox, J. Skrobola, D. Olson, P. Sperduto

PA-T-05.T Error in Radiosurgery Treatment Planning Due to Incomplete CT Scanning of the Skull A. Thavendrarajah*, C. Kanellitsas, P. Werner, N. Samsami, N. Gupta, C. Bauer, J. Goodman

PA-T-06.T Computerized Method of Determining the Isocenter Coordinates in the Multi-Isocenter Treatment Using Linac-Based Stereotactic Radiosurgery K. Ayyangar* and C. Saw

PA-T-07.T A Comparison of Two Verification Methods of Target Coordinates in BRW Space for Treatments of Intracranial Lesions with Radiosurgery M. Johnson*, A. Wu, A. Chen, S. Kalnicki, C. Saw, L. Korb

PA-T-08.T Lookup Table of Arc Lengths and Couch Angles for Ellipsoid Dose Distribution in Linac-Based Radiosurgery C. Saw*, L. Korb, K. Krishna, A. Wu, S. Kalnicki

PA-T-09.T A Comparison of Automatic Beam Planning Including Optimization with Manual Beam Planning in Stereotactic Radiosurgery M. Loyd*, R. Berg, J. Kent, L. Grimm

PA-T-10.T A Powerful Approach to Perform Dose Planning for Stereotactic Radiosurgery Using Personal Computer T. Suh*, C. Park, S. Ha, W. Kang, I. Kim, D. Suh, S. Park, S. Yoon, K. Shinn

PA-T-11.T The Role of Conventional Multi-Leaf Collimation in Stereotactically Guided, Conformal Radiotherapy V. Cosgrove*, C. Mubata, A. Warrington, A. Bidmead, S. Shepherd, M. Brada

PA-T-12.T Use of Film Digitizer as Radiosurgery Quality Assurance Tool D. Rosenzweig*, M. Schell, F. Yin, Y. Yu

PA-T-13.T Radiation Properties of a Photonic Radiosurgery Source D. Biggs* and E. Thomson

PA-U-01.T Contribution of Electron Dose in the Build-up Region of Conformal Photon Fields I. D. Bruinvis*, B. Fraass, J. Lanson

PA-U-02.T Dynamic Wedge Implementation in a Pencil Beam Based Dose Planning System L. Weber*, A. Ahnesjö, P. Nilsson, T. Knöös

PA-U-03.T Biologically-Optimized Configurations of Treatment Fields in Radiation Therapy H. Amols* and M. Zaider

PA-U-04.T The Use of Wedges in a Three-Orthogonal Field Arrangement B. Thomadsen*, R. Kitchen, N. Peters, T. Mackie, M. Mehta, B. Paliwal

PA-U-05.T A General Beam-Couch Intersection Detection Model M. Muthuswamy*

PA-U-06.T Treatment with Split Fields by Using Independent Jaws and Patient's Immobilization Problems J. Cai*, X. Wang, T. Kramer, V. Saxena, J. Chu

PA-U-07.T Custom-Tailored Brass Compensators for the Head and Neck Region in Bi-Lateral Total Body Irradiations J. van de Geijn*, H. Xie, F. Harrington, F. Sullivan, N. Wersto, J. Greig

PA-U-08.T Dealing with Large Wedged Half-Fields J. van de Geijn*, H. Xie, F. Harrington, N. Wersto, R. Miller, R. Greig, C. Wang

PA-U-09.T Criteria for the Evaluation of Treatment Planning systems P. Rosemark*, M. Leu, R. Cook

PA-U-10.T Peacock Planner as a Tool for Creating General Treatment Plans M. Carol* and L. Verhey

PA-U-11.T Validity of CT Based Heterogeneity Corrections for Use in Clinical Treatment Planning G. Cardarelli*, Z. Zheng, O. Cintron, D. Cail, D. Shearer

PA-U-12.T A Binary Mixture Method for CT Number Conversion in Radiation Treatment Planning D. Wilson*

PA-U-13.T Monte Carlo Simulations of an 8MV Photon Beam Including Electron Contamination W. Rae*, C. Willemse, M. Letter

PA-U-14.T A Numerical Procedure for Sampling from a Multi- Dimensional Probability Distribution Function in Monte Carlo Simulations C. Willemse* and J. Lange

PA-U-15.T Gridding Algorithm for Volumes Defined by Serial Contours S. Das*, K. Weeks, M. Munley

PA-U-16.T The Medial Axis Transform: A Target Shape Parameter Useful for Treatment Planning J. Bourland* and Q. Wu

PA-U-17.T Use of an Ultrasonic Localization Device for Patient Setup in Radiation Therapy of the Breast R. Cormack*, L. Chin, H. Lu

PA-U-18.T Isocentric Breast Simulation: A New Non Graphical Technique A. Al-Ani* and E. Zinreich

PA-U-19.T Three-Dimensional External Beam Radiation Treatment Planning and Real Time Dose Verification of Pituitary Adenoma: Clinical and Physical Considerations M. Ahmad*, D. Fontenla, R. Yaparpalvi, J. Wojcicka, P. Lai, J. Del Rowe

PA-U-20.T Functional Dose-Volume/Surface Histograms for Organs of Non-uniform Distribution of Functional Sub-Units Y. Lu*, D. Spelbring, G. Chen

PA-U-21.T Application of the Bioeffects Algorithm of a Treatment Planning System A. Ho*, M. Podgorsak, C. Sibata, K. Shin

PA-U-22.T Construction of Isodose Conformal Convex Surfaces Using Dynamic Collimation on The Linear Accelerator H. Gaballa*, R. Zwicker, M. Arnfield, S. Benedict, R. Howells, O. Tercilla, D. Huang

PA-U-23.T Computation and Manual Construction of CT-Based 3D Compensators J. van de Geijn* and H. Xie

PA-U-24.T Interactive Dose Optimization Using Dynamic Jaws H. Lu* and L. Chin

PA-U-25.T Clinical Implementation of CT Simulation W. Fong* and M. Herman

PA-U-26.T Evaluation and Testing of a Commercial Tissue Compensator System N. Gupta*, C. Kanellitsas, A. Thavendrarajah

PA-U-27.T Dose Compensators for the External Neutron Beam Therapy T. He*, M. Yudelev, D. Ragan

PA-U-28.T Three Dimensional Treatment Planning of Multiple Circular Divergent Photon Beams K. Ayyangar*, T. Pawlicki, R. Dobelbower

PA-U-29.T Magresigraphs: Digitally Reconstructed Radiographs from MR Images and Their Use in 3D Radiation Treatment Planning D. Hokanson* and J. Bourland

PA-U-30.T Customized Patient Phantom for Dose Measurement K. Darbe*, J. Wierzbicki, P. McDermott, A. Aref

PA-U-31.T A Systems Analysis of a Radiation Oncology Practice in Deploying a Teleradiology Network for Case Consensus Review T. Teslow*, R. Gilbert, W. Grant, S. Woo, J. Liem, E. Butler

PA-U-32.T Treatment of Multiple Hepatic Metasteses: A Comparison of Four-Field and Tetrad Plans L. Johnson*, D. Spelbring, G. Chen

Nuclear Medicine Papers:

PA-W-01.N Spatial Fidelity of Brain SPECT for Gamma Knife Radiosurgery D. North*, P. Tasca, R. Noto, L. Wahlberg

PA-W-02.N Accuracy of Thoracic Image Registration Using Surface Matching F. Fahey*, J. Yu, H. Gage, C. Eades, B. Harkness, J. Keyes, Jr.

PA-W-03.N Microdosimetric Assessments of Cellular Dose in Tumor and Normal Tissues for Internal Beta E. Kim*, W. Bolch, W. Reece, J. Poston

PA-W-04.N Localized Alpha Dosimetry of Bone Marrow using a Two-Dimensional Monte Carlo Code and Histological Images G. Akabani*

PA-W-05.N Relationship Between Desferrioxamin Therapy and Trace Elements in Serum of Patients with Beta-emitting Sources M. Hamidian*, P. Vosough, K. Kaviani, H. Afarideh

General Physics Papers:

PA-Z-01.G Dosimetric Characteristics of Total Body Electron Skin Therapy Using Two Half-Body Fields A. deGuzman*

PA-Z-02.G Influence of the Lung on Rib Metastases Treatment R. Alecu*, J. Feldmeier, A. Alecu, D. Babij, W. Court

PA-Z-03.G Methods for Optimizing the Movement of a Single Absorber for 1D Intensity Modulation G. Cattaneo*, C. Fiorino, M. Fusca, R. Calandrino

PA-Z-04.G Efficient Implementation of Virtual Simulation in Conformal Radiotherapy A. Garzon*, R. Sharma, C. Santa Ana, T. He, J. Forman

PA-Z-05.G A Practical Technique for Total-body Irradiation W. Lutz*, B. Bjarngard, U. Machold, H. Shackford, C. Sun, P. Vadash, J. Williamson

PA-Z-06.G Moderator Assembly Fabrication Considerations for a Clinical Accelerator-based Neutron Irradiation Facility for BNCT N. Gupta*, T. Blue, J. Blue, R. Gahbauer

PA-Z-07.G Object Recognition Using Neural Network for Inspection of Patient Setup in Radiation Therapy S. Young*, C. Sibata, A. Ho, K. Shin

PA-Z-08.G Wide Area Network for Radiation Therapy D. Loshek* and G. Forest

PA-Z-09.G Contributions of US Women in Medical Physics-- Past and Present F. Harshaw*

PA-Z-10.G Hyperbaric Oxygen Enhances Photodynamic Therapy Q. Chen*, F. Hetzel, H. Chen, J. Beyleu