PO-2 |
Chemical Dosimetry in the Near Zone of Cesium and Iridium Sources Contained in Nylon Catheters
- B. Hasson*, J. Ford, C. Hand, E. Jensen, H. Perera, L. Simpson |
PO-3 |
Clinical Implementation of CT Based Simulation in High Dose Rate Brachytherapy
- R. Alecu*, M. Alecu, R. Gilbert, M. Hebert, T. Ochran |
PO-4 |
Clinical Implementation of High Dose Rate Interstitial Brachytherapy for Prostate Cancer
- M. Alecu*, M. Kerley, R. Alecu, T. Ochran |
PO-5 |
Combined Use Of Transverse And Scout Computed Tomography Scans To Localize Radioactive Sources in Interstitial Brachytherapy Implants
- N. Yue*, Z. Chen, J. Bond, R. Nath |
PO-6 |
CT-Based Prostate Post-Implant Dosimetry Using Multiple-Planar Reconstructed Images
- Z. Li*, W. Tome`, S. Kim, J. Palta |
PO-7 |
Fast Hierarchical Algorithm for Brachytherapy Calculations Using Monte Carlo Simulations
- X. Fang, Z. Li*, J. Palta, S. Ranka, S. Sahni |
PO-8 |
Feasibility of ultrasound (US) based post implant dosimetric verification of US guided I-125 permanent prostate implants.
- C. Kota*, M. Yudelev, P. Littrup, D. Wood, J. Forman |
PO-9 |
New NIST Air-Kerma-Strength Standards for 125I and 103Pd Brachytherapy Seeds
- S. Seltzer*, P. Lamperti, R. Loevinger, C. Soares |
PO-10 |
Photon Dose Kernels for Brachytherapy Source Convolution Dose Calculation
- J. Modrick*, B. Thomadsen, T. Mackie |
PO-11 |
Source Identification on Post-Implant CT's and Its Influence on Dose Volume Histograms
- A. deGuzman*, S. Robertson |
PO-12 |
The X-Ray CT Based 3-D High Dose Rate Brachytherapy
- G. Arora*, G. Rao, D. Barefield |
PO-13 |
A Commercial Implementation of TG43 Dose Calculation Algorithm
- N. Dogan*, M. Balbes, M. Fatyga, J. Williamson |
PO-15 |
Morbidity Of Pd-103 Compared to I-125 Implants
- J. Rankin*, D. Zellmer, M. Baikadi, J. Gilbert |
PO-16 |
Database Management for Prostate Implants
- E. Hendee*, B. Paliwal, M. Ritter, B. Thomadsen, K. Brandt |
PO-17 |
Determination of Prostate Volume Variation due to Post-Implant Edema from Seed Distribution of Prostate Implants
- J. Pouliot*, M. Vachon, R. Taschereau, J. Roy |
PO-18 |
Automatic Optimization of Dose Distribution using Fast Simulated Annealing for the Planning of Prostate Implants
- J. Pouliot*, R. Taschereau, D. Tremblay, J. Roy, C. Côté |
PO-19 |
CT-based Dosimetry Calculations for Permanent Prostate Implants
- J. Smathers, C. Burnison, Q. Ncube, T. Solberg, J. DeMarco* |
PO-20 |
Peripheral vs. Modified Uniform Seed Loading in Prostate Brachytherapy
- W. Butler*, A. Dorsey, G. Merrick |
PO-21 |
Isotope Choice and the Effect of Edema on Prostate Brachytherapy Dosimetry
- W. Butler*, A. Dorsey, G. Merrick |
PO-22 |
A New Genetic Algorithm Technique in Optimization of Prostate Seed Implants
- G. Yang*, L. Reinstein, S. Pai, Z. Xu |
PO-23 |
CT Scanning for Post-Operation Seed Localization in Permanent Prostate Implants
- E. Lief*, B. Davis, K. Wallner |
PO-24 |
On the conversion of dosimetric data among phantom materials for 125I and 103Pd brachytherapy sources using build-up factor methods.
- R. Wallace* |
PO-25 |
CT-based Treatment Planning for a Syed Implant
- J. Roeske*, K. Farrey, J. Rotmensch, S. Waggoner, A. Mundt |
PO-26 |
Non-TG43 dosimetric representations for a new 125I brachytherapy source.
- R. Wallace*, J. Fan |
PO-27 |
Implementation of tg-43 dosimetry recommendations for i-125 prostate implants: experience with 50 patients
- S. Deore*, D. Fontenla, C. Biancia, P. Lai, B. Vikram |
PO-29 |
Implementation of AAPM TG-43 protocol with anisotropic correction for I-125 prostate implants
- X. Ren*, Y. Pipman, J. Pollack, J. Roy |
PO-30 |
A New Seed Handling Tool For Prostate Brachytherapy
- X. Shi* |
PO-31 |
Dosimetric Effects of Needle Divergence in Prostate Seed Implant Using I-125 and Pd-103 Radioactive Seeds
- Z. Chen*, R. Nath |
PO-32 |
Tissue Attenuation Factors for Model 6711 I-125 Seed
- S. Rustgi* |
PO-33 |
Dosimetric Considerations of using Cylinders and HDR in Irradiation of Vaginal Cuff
- C. Saw, K. Krishna*, L. Korb |
PO-34 |
CT-based Monte Carlo dosimetry for an I-125 nasopharynx applicator
- E. Furhang*, L. Anderson, C. Chui, Y. Erdi |
PO-35 |
CT and MRI Derived Source Localization Error in a Custom Prostate Phantom Using Automated Image Fusion
- D. Dubois*, W. Bice, B. Prestidge, J. Prete |
PO-36 |
Dosimetric Evaluation of a Catheter-based Brachytherapy Using Ir-192 in Patients With Coronary Restenosis
- S. Jani*, G. Huppe, R. Lepage, V. Massullo, P. Tripuraneni, P. Teirstein |
PO-37 |
Dose Enhancement Due to Intravasular Stints and Brachytherapy Source Walls
- D. Zellmer*+*, I. Das* |
PO-38 |
Comparison of Directly Measured Re-188 Balloon Dosimetry with Calculations Based on a New NIST Activity Calibration
- A. Li*, B. Zimmerman, F. Knapp, H. Amols, J. Whiting |
PO-39 |
Selection and Characteristics of Detectors for Beta Source Dosimetry
- E. Hendee*, B. Thomadsen, B. Paliwal |
PO-40 |
Tubular Beta-Sources for Endovascular Irradiations: Design and Dosimetry
- W. Schmidt*, K. Mueck, D. Lehmann, R. Hawliczek |
PO-41 |
NIST Radioactivity Standards for Intravascular Brachytherapy
- B. Coursey*, L. Karam, M. Unterweger, B. Zimmerman, R. Colle |
PO-42 |
An iterative method using radiochromic film for determining the source activity distribution of endovascular beta sources
- Z. Xu*, L. Reinstein, G. Yang, S. Pai |
PO-43 |
EGS4 Monte-Carlo calculations of 3D dose distributions surrounding a HDR 192Ir source and a 32P stent
- N. Reynaert*, H. Thierens, F. Verhaegen, Y. Taeymans, M. Van Eyckeren |
PO-44 |
ESE In Continuous vs. Pulse Fluoroscopy Procedures: A Four Year Study
- S. Brahmavar*, A. Tidwell, M. LaFrance, C. Miller |
PO-45 |
In situ imaging of DNA double strand break damage and repair induced by microbeam irradiation
- B. Nelms*, R. Maser, J. MacKay, M. Lagally, J. Petrini |
PO-46 |
An investigation of the effects of multileaf collimator leaf position accuracy upon intensity modulated beams
- G. Budgell*, J. Mott, P. Williams |
PO-47 |
Towards Three Dimensional Power Deposition Control in Superficial Thermoradiotherapy
- E. Moros*, X. Fan, W. Straube, R. Myerson |
PO-48 |
Quantitative Film Dosimetry with Scanning Laser Film Digitizers
- J. Dempsey*, D. Low, A. Kirov, J. Williamson |
PO-49 |
Dosimetric Characteristics of P-type QED diode detectors used for in-vivo Dosimetry
- A. Saini* |
PO-50 |
Stopping power ratios for clinical electron beam detectors
- A. Kapur*, C. Ma |
PO-51 |
Modeling of optical density dependence on post-irradiation temperature for radiochromic film (MD-55-2)
- L. Reinstein*, G. Gluckman, A. Meek |
PO-52 |
New supersensitive polymer gel dosimeter
- M. Maryanski*, M. Barry |
PO-53 |
Dosimetry of superficial x-ray beams with parallel-plate ionization chambers
- M. Gosselin, M. Evans, E. Podgorsak* |
PO-54 |
Comparison of Uniformity of Dose Response of Double-Layer Radiochromic Films (MD-55-2) Measured at 5 Institutions
- A. Niroomand-Rad*, S. Chiu-Tsao, C. Soares, A. Meigooni, A. Kirov |
PO-55 |
Plastic Scintillator Response to Low-Energy Photons
- J. Williamson*, J. Dempsey, A. Kirov, W. Binns, H. Nilsson |
PO-56 |
X-ray Spectra Estimation Using Attenuation Measurements from 25 kVp to 18 MV
- M. Blough, J. Terry, D. Chen, N. Lee, S. Zhang, W. McDavid, R. Waggener* |
PO-57 |
The Precision of Pion Measurements for Linear Accelerators
- R. Tailor*, W. Hanson, D. Followill |
PO-58 |
Comparison of Two Types of Commercial Diode Detector For in-vivo Dosimetry of High Energy Photon Beams
- X. Zhu* |
PO-59 |
Factors to be considered when using Helium-Neon laser scanning systems to perform routine analysis of therapy QC films.
- E. Schuele, S. Szeglin* |
PO-60 |
An Iso-energetic Flattening Filter for Total Skin Electron Beam Radiotherapy
- X. Wu*, Z. Chen, C. Luo, M. Watzich, G. Jones, A. Markoe |
PO-61 |
Dosimetric Characteristics in Electron Grid Therapy
- A. Meigooni*, S. Parker, J. Zheng, M. Mohiuddin, W. Regine |
PO-62 |
Small 6 MV field dose distributions near simulated air cavities
- K. De Vlamynck*, H. Palmans, F. Verhaegen, C. De Wagter |
PO-63 |
Output Factors For Electron Custom Inserts with Beam Center Non Coincident with Cone Center
- A. Khatib*, B. Ahluwahlia |
PO-64 |
Evaluation Of The Dosimetric Characteristics Of A Superficial X-Ray Therapy Machine Having Beveled Applicator
- E. Parsai*, K. Ayyangar, L. Tao |
PO-65 |
Head-Scatter Off-Axis for Megavoltage X-Rays
- T. Zhu*, Y. Xiao, B. Bjarngard |
PO-66 |
An Analysis Of The Effective Energies And Dosimetric Data Of 6 And 10 MV Photon Beams
- S. Prasad*, K. Parthasaradhi, O. Thomson, J. McMahon, T. Krupa, W. Bloomer, R. Nanda |
PO-67 |
A Retrospective Analysis of Electron Cutout Factor Measurements
- K. Krishna*, C. Saw, J. Coletti, L. Korb |
PO-68 |
In-Vivo Dosimetry with Diodes for Electron Beams: Clinical Implementation
- R. Yaparpalvi*, D. Fontenla, B. Vikram |
PO-69 |
Partial Lung Shield for TBI
- S. Kishel, G. Proulx, A. Ho* |
PO-70 |
Enhanced Dynamic Wedge Surface Dose and Half-Field Profiles
- A. Kassaee*, Y. Xiao, B. Bjarngard, M. Altschuler |
PO-71 |
Clinical Implementation of Variations in Wedge Factor with Depth and Field Size
- S. Prasad*, D. Bassano |
PO-72 |
Evaluation of clinical use of in-vivo diode dosimetry for beams
- D. Fontenla*, R. Yaparpalvi, S. Deore, E. Mullokandov, A. Kapulsky, J. Keane, B. Vikram |
PO-73 |
Automated Generation of Wedge Coordinates from Wedge Profiles
- M. Weber*, N. Varadhan |
PO-74 |
Field Size and Depth Dependence of Wedge Transmission for Dynamic Wedge of a Varian Clinac 2100 C/D Linear Accelerator
- J. Lee*, S. Cho |
PO-75 |
Initial Angular Divergence of Electron Beams from Varian Clinac C/D Machines
- S. Goddu*, W. Harms, E. Klein, J. Purdy |
PO-76 |
In-Vivo Thermoluminescence Dosimetry for Intraoperative Radiation Therapy
- C. Kim*, C. Kim, M. Choi |
PO-77 |
Side Table Transmission for ETR and Exact Treatment Couches
- A. Thompson*, E. Klein |
PO-78 |
Total skin electron therapy using a Philips-Elekta SL-25 linear accelerator with multileaf collimation
- L. Fajardo*, P. Almond, D. Wilson |
PO-79 |
Dosimetric Properties of Centered and Off-Centered Posterior Neck Electron Fields
- E. Yorke*, A. Kassaee, L. Lin, D. Rosenthal |
PO-80 |
Wedge Factors and Depth Doses Changes as a Function of Depth for Siemens' Large Field Wedges for 6 MV and 20 MV Photon Beams
- F. Lopez, J. Rownd, D. Grimm, M. Gillin* |
PO-81 |
X-Ray Spectrum Unfolding Using Transmission Measurements and A Multihole Megavoltage Photon Diverging Collimator for 6 MV Photons
- D. Chen*, N. Lee, R. Waggener |
PO-82 |
Measured Water Transmission Curves and Calculated Zero Field Size TMRs for 4 MV and 15 MV X-Rays
- N. Lee*, D. Chen, R. Waggener |
PO-83 |
Impact of patient body temperature on in vivo diode dosimetry
- L. Reinstein*, K. Welsh, A. Meek |
PO-84 |
Accuracy of Pencil Beam Parameters using Various Measurement and Calculational Approaches
- P. Higgins*, F. Khan |
PO-85 |
A Modern Object Oriented Monte Carlo Code for Electron-Gamma Shower Simulations
- J. Almassy* |
PO-86 |
Accuracy and Performance in Superposition Photon Dose Calculations
- M. Wiesmeyer*, M. Miften, K. Krippner |
PO-87 |
Parameter study for optimizing Monte-Carlo simulation in external-beam treatment planning
- C. Mubata*, A. Nahum, I. Rosenberg, A. Bielajew |
PO-88 |
Implementation of the Collapsed Cone Method for Clinical Beam Qualities
- M. Saxner*, A. Ahnesjö |
PO-89 |
Component-Based Superposition Calculations: Dependence on Number of Components
- J. Schewe*, D. McShan, B. Fraass |
PO-90 |
Superposition kernels to compute dose from beam elements for inverse treatment planning
- S. Sutlief*, P. Cho, M. Phillips |
PO-91 |
Improvements in the Monte Carlo Based Calculation of Prepl of Plane-Parallel Electron Chambers
- M. Lauterbach*, J. Lehmann, U. Rosenow |
PO-92 |
BEAM-generated Real Spectra versus Monoenergetic or Approximate Spectra in the EGS4/PRESTA-II Calculation of Prepl in Plane-parallel Electron Chambers
- J. Lehmann*, M. Lauterbach, U. Rosenow |
PO-93 |
Monte Carlo Transport Physics Algorithms and Variance Reduction Methods in the PEREGRINE Dose Calculation System
- P. Bergstrom*, A. Bielajew, W. Chandler, L. Cox, T. Daly, D. Garrett, B. Guidry, C. Hartmann Siantar, S. Hornstein, R. House, D. Jong, E. Moses, R. Patterson, J. Rathkopf, A. Schach von Wittenau |
PO-94 |
Systematic Analysis of Monte Carlo Generated Phase
- B. Libby*, J. Siebers, R. Mohan |
PO-95 |
Monte Carlo Transport of Photons and Electrons Through Beam Modifiers in the PEREGRINE Dose Calculation System
- A. Schach von Wittenau*, L. Cox, R. House, P. Bergstrom |
PO-96 |
Single Source Models for Monte Carlo Dose Calculations in Radiotherapy
- M. Fix*, H. Keller, E. Born, P. Ruegsegger |
PO-97 |
Dosimetric Comparison of a Fast TMR Dose Algorithm to a Full Clarkson Integration Algorithm
- F. Hacker*, M. Bellerive, H. Kooy |
PO-98 |
Fast Hierarchical Algorithm for Photon Beam Dose Calculation
- H. Jung, J. Palta*, S. Ranka, S. Sahni, T. Zhu |
PO-99 |
Monte Carlo calculations of heterogeneity correction factors
- A. Kapur, C. Ma* |
PO-100 |
A Path Length Correction to Electron Beam Dose Distributions in Slab Type Media
- D. Wilson* |
PO-101 |
Calculation of virtual wedge factors for symmetric and asymmetric photon fields
- J. Gibbons*, D. Vassy |
PO-102 |
Improved 3-D pencil beam model for MLC-shaped high energy electron beams
- J. Moran*, D. McShan, I. Bruinvis, B. Fraass |
PO-103 |
A Fermi-Eyges Based 3D Kernel Scaling Method to Account for Primary Electron Transport in Superposition Photon Dose Calculations
- M. Miften*, M. Wiesmeyer, K. Krippner |
PO-104 |
Verification of a Commercial FFT-Convolution Algorithm using Monte Carlo Simulations
- E. Mok*, A. Boyer, C. Ma, A. Kapur, L. Ma |
PO-105 |
Validation of a Finite Size Pencil Beam Dose Model for Intensity Modulated Radiation Therapy with Multileaf Collimators
- B. Curran*, A. Bleier, M. Carol, R. Hill, T. Holmes, A. Kania, R. Lalonde, L. Larson, E. Sternick |
PO-106 |
Extractions of the Photon Spectra From Measured Beam Parameters
- J. McDonough*, P. Bloch |
PO-107 |
Clinical Implementation of a Dual Source/Finite Pencil Beam Dose Calculation Algorithm for Conformal and Intensity Modulated Therapy
- M. Phillips*, K. Singer, A. Hounsell* |
PO-108 |
Application of Colouring Theory to Reduce IMRT Dose Calculations
- M. Langer* |
PO-109 |
A generalized phase-space source model for Monte Carlo modeling of arbitrary intensity distributions
- I. Chetty*, J. DeMarco, T. Solberg |
PO-110 |
Experimental Verification of a CT-based Monte Carlo Dose-Calculation Method in Heterogeneous Phantoms
- L. Wang*, M. Lovelock, C. Chui, T. LoSasso |
PO-111 |
Dynamic and Physical Wedge Calculations with FOCUS Using the Clarkson and FFT Convolution Algorithms
- E. Klein*, W. Harms, S. Mutic, J. Purdy |
PO-112 |
Calculation of head scatter factors at off-axis points for linear accelerator photon beams
- M. Yu*, G. Ding, R. Sloboda |
PO-113 |
Modelling the Phase Space and Dose Distribution of an Orthovoltage Unit
- F. Monti di Sopra, P. Keall* |
PO-114 |
Derivation of Attenuation Coefficients from CT Numbers for Low Energy Photons
- Y. Watanabe* |
PO-115 |
Head-Scatter Off-Axis For Mega Voltage X-Rays
- T. Zhu*, Y. Xiao, B. Bjarngard |
PO-116 |
Bone Equivalency Of Materials
- S. Prasad*, K. Parthasaradhi, W. Al-Najjar, W. Bloomer |
PO-117 |
A Water Calorimeter for High Energy Photon and Electron Beams
- A. Williams, K. Rosser, A. DuSautoy* |
PO-118 |
An Innovative Plastic Phantom for Use in TG21 Calibration and Routine QA
- J. Huang* |
PO-119 |
A novel technique to characterize the complete motion of a medical linear accelerator
- M. Moreau*, D. Drake, D. Jaffray |
PO-120 |
Conversion of a Document Scanner into an Optical CT Scanner for 3D Gel Dosimetry
- K. Jordan*, R. Studinski, J. Battista |
PO-121 |
Clinical 3D dosimetry by optical laser CT scanning of BANG polymer gels.
- M. Ranade, F. d'Errico, M. Barry, M. Maryanski* |
PO-122 |
Design and Construction Details of the NIST Absorbed Dose Water Calorimeter
- K. Gall* |
PO-123 |
A study of n and p type diode detectors after very high radiation dose from electron and photon beams
- J. Shi*, W. Simon, S. Johnsen |
PO-124 |
Experimental Validation of the Wide Radiation Field Calibration Technique for a Diode Array
- C. Liu*, L. Ding, J. Palta, W. Simon, J. Shi |
PO-125 |
Comparison of Off-axis Beam Quality between Physical Wedged Fields and Dynamic Wedged Fields in the Converse Axis
- M. Johnson*, S. Sharma |
PO-126 |
Gel dosimetry using PoMRI: studies of the dose response characteristics and basic dose distribution data
- P. Haraldsson, S. Bäck, P. Magnusson, M. Lööf, L. Olsson* |
PO-127 |
Over-estimation of Pion Using the Conventional Boag Two-Voltage Technique
- R. Tailor*, P. Balter, W. Hanson |
PO-128 |
Steep Dose Gradients Measured with a Custom Built Laser Diode Scanning System and MD-55 GafChromic Film
- P. Sullivan*, B. Hasson, C. Grossman, L. Simpson |
PO-129 |
Radiological Properties and Water Equivalence of Dosimetry Gels
- P. Keall*, C. Baldock |
PO-130 |
A Cross Pattern 17 Chamber Matrix Dosemeter for Flatness, Symmetry, and Output Checks of Linear Accelerator Photon and Electron Beams
- A. Kerr*, K. Welch, M. Natalini |
PO-131 |
Commissioning of the New Electron Beam Algorithm in Theraplan Plus 3D Planning System
- J. Cygler*, G. Ding, K. Ash |
PO-132 |
Investigation of Factors Affecting Sensitivity of Ferrous Sulphate Gel Radiation Dosimeters
- M. Zahmatkesh*, B. Healy, C. Baldock |
PO-133 |
Preventative Maintenance and Unscheduled Downtime from an Economic Perspective
- P. Dunscombe*, G. Roberts, L. Valiquette |
PO-134 |
Remote Monitoring Program for Dosimetry Data and Patient Dose Calculations
- J. BenComo*, J. Roll, W. Hanson |
PO-135 |
A Test Tool for the Visual Verification of Light and Radiation Fields using Film or an EPID
- P. Dunscombe*, S. Humphreys, K. Leszczynski |
PO-136 |
Dosimetric Verification of a Newly Installed 3D Treatment Planning System
- T. Chu*, E. Lederer, P. Dunscombe |
PO-137 |
Third-Level Benchmarking for Photon Beam Commissioning on Two Commercial 3D Treatment Planning Computers
- J. Dawson, D. Kahler*, W. Kopecky, J. Gu, R. McDonald |
PO-138 |
TG-23 Dosimetric Verification of a Commercially Available 3-D RTP System
- K. Spencer*, C. Ramsey, A. Oliver |
PO-139 |
Commissioning, QA, and radiation safety of the first Intraop Mobetron, mobile electron linac.
- N. Albright*, M. How, P. Purser, T. Cook, G. Spalek, D. Goer |
PO-140 |
Commissioning electron beams in the CadPlan 3D planning system
- G. Ding*, M. Yu, J. Cygler |
PO-141 |
An Automated Portal Verification System for Anterior-Posterior Pelvic Fields
- Q. Gao*, F. Yin, R. Li |
PO-142 |
Web-Based Image Management in Radiation Therapy
- F. Yin*, R. Weil, T. Bogucki, Q. Gao, P. Okunieff |
PO-143 |
Cascaded systems analysis of a Flat-Panel Portal Imager
- K. Jee*, L. Antonuk, Y. El-Mohri, M. Maolinbay, S. Nassif, X. Rong, J. Siewerdsen, Q. Zhao |
PO-144 |
Megavoltage CT on a Tomotherapy System: A Comparison of Maximum-Likelihood vs. Filtered Back-Projection Reconstruction Algorithms
- K. Ruchala*, G. Olivera, T. Mackie, P. Reckwerdt |
PO-145 |
Tissue Mimicking Materials for a Multi-Imaging Modality Prostate Phantom
- W. D'Souza*, E. Madsen, B. Thomadsen, G. Frank |
PO-146 |
Lung cancer target motion study with application to image directed radiation therapy (IDRT)
- Q. Chen*, M. Weinhous, R. Macklis |
PO-147 |
The development of portal CT reconstruction using MLS-ART technique and the kinestatic charge detector imaging system: II. Radiotherapy beam studies
- H. Guan*, M. Gaber, S. Samant, F. DiBianca, Y. Zhu |
PO-148 |
Evaluation of a Cassette-Screen-Film Combination with Improved Contrast for Verification Portal Imaging During Radiation Therapy Treatments
- R. Keys*, J. Marks, A. Haus |
PO-149 |
Clinical Implementation of a Matrix Ion Chamber EPID in Obese Patients Treatment
- F. Trichter*, J. Bargellini, H. Amols, P. Schiff |
PO-150 |
A comparison of imaging techniques for stereotactic localization
- R. Drzymala*, S. Mutic, E. Klein |
PO-151 |
Initial Experience with a Dedicated System for Dynamic Shaped Beam Radiosurgery
- T. Solberg*, P. Medin, R. Fogg, J. DeMarco, A. Arellano, T. Paul, I. Chetty, A. DeSalles, M. Selch, J. Smathers |
PO-152 |
An Extensive Evaluation of the Monte Carlo Treatment Planning for Stereotactic Radiosurgery
- K. Ayyangar*, S. Jiang, R. Dobelbower, J. Feldmeier, J. Battle, D. Carter, J. Brown, K. Ayyangar |
PO-153 |
Recommissioning a Stereotactic Radiosurgery System Following Machine Upgrade or Transfer
- E. Hendee*, P. Sinha, T. Mackie, B. Paliwal, M. Mehta |
PO-154 |
Clinical Results of Pointing Accuracy Quality Assurance for a Robotically-Mounted Linear Accelerator Used for Stereotactic Radiosurgery
- J. Gilio*, K. Gall, C. Chang, D. Garwood |
PO-155 |
Quantitative Dosimetry Evaluation Using BANG Gel and Image Correlation
- S. Meeks*, F. Bova, M. Maryanski, L. Kendrick, M. Ranade, J. Buatti, W. Friedman |
PO-156 |
Deconvolution with the Total Least Squares approach: an application to small photon field dosimetry
- P. Charland*, E. El-Khatib |
PO-157 |
Stereotactic radiosurgery (SRS) dosimetry: measurements and Monte Carlo simulation
- F. Verhaegen*, I. Das, H. Palmans |
PO-158 |
End Effect in (model B) Gamma Knife Radiosurgery Treatments
- T. Willoughby |
PO-159 |
Leaf Sequencing Optimization for Static IMRT
- R. Siochi* |
PO-160 |
Contralateral Breast Dose from Tangential Breast Phantom Irradiation: Comparison of Different Intensity Modulation Techniques
- S. Chang*, K. Deschesne, T. Cullip, J. Earnhart, S. Parker, E. Chaney |
PO-161 |
Monte Carlo analysis of the response of a Beam Imaging Phantom for IMRT
- C. Ma*, L. Ma, L. Xing, A. Kapur, A. Boyer |
PO-162 |
Verification and Delivery of Head and Neck Intensity Modulated Radiotherapy
- A. Boyer*, L. Xing, L. Ma, K. Forster |
PO-163 |
Using multiple MLC segments or Virtual Wedge for tissue compensation in Hodgkin's disease
- J. van Santvoort* |
PO-164 |
A clinical study of prostatic motion during radiation treatment with the use of EPID and radiopaque markers
- J. Hai*, E. Vigneault, L. Verhey |
PO-165 |
In vivo measurements of intensity modulated radiation therapy
- P. Cho (1)*, M. Phillips (1), S. Sutlief (1), P. Gavin (2), H. Kippenes (2), P. Cho |
PO-166 |
A unified computational approach in optimization planning, image reconstruction, and dose reconstruction
- G. Olivera*, D. Shepard, P. Reckwerdt, K. Ruchala, J. Zachman, E. Fitchard, T. Mackie |
PO-167 |
Comparison of Multi-field Conformal versus Intensity-modulated Treatment Plans Based on Complication and Control Probabilities.
- V. Smith*, P. Xia, L. Verhey |
PO-168 |
Delivery of IMRT with Ellis-type Compensating Filters
- L. Ma, A. Beavis*, L. Xing, C. Ma, A. Boyer |
PO-169 |
The effect of leaf shape and transmission characteristics on the accuracy of intensity-modulated radiotherapy (IMRT) delivered with dynamic multileaf (DMLC)
- M. Arnfield |
PO-170 |
The advantages of amorphous silicon x-ray cameras for radiographic patient positioning
- M. Murphy*, J. Adler, T. Koumrian |
PO-171 |
Delivery of intensity modulated radiation therapy by dynamic multileaf collimation: resolution requirements for specifying leaf trajectories
- G. Budgell* |
PO-172 |
Helical vs. Sequential Tomotherapy
- J. Balog*, T. Mackie, P. Reckwerdt |
PO-173 |
A Transformation That Corrects Delivery Sinograms For Patient Misalignment
- E. Fitchard*, P. Reckwerdt, G. Olivera, D. Shepard, T. Mackie |
PO-174 |
A Variable Speed Translating Couch Technique for Total Body Irradiation
- M. Chrétien*, J. Pouliot, R. Blais, C. Côté, R. Roy, D. Tremblay |
PO-175 |
Matching Adjacent Fields Using a Dynamic Matchline Wedge
- J. McDonough*, H. Bushe, D. Rosenthal |
PO-176 |
Virtual Wedge Factor: An Uncertainty Analysis
- I. Das*, T. Steinberg |
PO-177 |
The Potential for Error in Treatments Due to Monitor Unit Calibration Offsets
- C. Chang*, K. Gall, C. James |
PO-178 |
Study of numerically produced compensators for conventional and intensity modulated beam therapy
- H. Thompson, M. Evans, W. Parker, B. Fallone* |
PO-179 |
An Analysis of Dose Perturbations from Patient Misalignment in Delivery of Intensity Modulated Radiotherapy.
- J. Kung*, G. Chen |
PO-180 |
Clinical Usability Of The BAT Transabdominal Ultrasound System For Localization Of The Prostate: Preliminary Results
- G. Harnisch*, R. Lalonde, M. Weinhous, T. Willoughby, D. Mohan, P. Kupelian |
PO-181 |
Analytic Approximations Of The Edge Factors For A MLC
- S. Li*, J. Dicello, N. Detorie, P. Geis, A. Boyer |
PO-182 |
Effects of leakage, tongue and groove leaf design and output variations on intensity modulation with multileaf collimator
- C. Yu* |
PO-183 |
Technology Assessment of Multileaf Collimation: A North American Users Survey
- E. Klein**, J. Tepper, M. Sontag, M. Franklin, C. Ling, H. Kubo, A. Shiu |
PO-184 |
Dose Rate Optimization for Dynamic One-Dimensional Beam Intensity Modulation
- I. Khalil-Bustany*, I. Daftari, G. Bednarz, L. Verhey, I. Khalil-Bustany |
PO-185 |
Variation in the position of 3D brain fields: An analysis using R&V data.
- M. Marshall* |
PO-186 |
Qa and verification of intensity modulation radiotherapy
- T. LoSasso*, C. Burman, C. Chui, C. Ling |
PO-187 |
Dose Escalation in Treatment of Malignancies in the Lung by Using the Stereotactic Body Frame
- R. Middleton* |
PO-188 |
Prostate Localization Using the NOMOS Peacock System
- J. McGary*, W. Grant |
PO-189 |
A Method to Produce Shaped Fields for Static Conformal Radiation Therapy
- C. Whiddon*, S. Das, L. Marks |
PO-190 |
CT-Based Dose Compensation Using a 3D Treatment Planning System and a Computerised Compensator Cutter
- C. Swift*, G. White, M. Al-Ghazi, K. Yuen |
PO-191 |
Clinical Experience with the AcQsim CT-Simulator
- C. Swift, M. Al-Ghazi* |
PO-192 |
Use of Compensating Filters in Intensity Modulated Radiotherapy
- P. Basran*, W. Ansbacher, C. Field, B. Murray |
PO-193 |
Automated bone segmentation from MR brain datasets for use in radiotherapy treatment planning
- D. Brinkmann*, R. Kline, J. Bourland |
PO-194 |
Errors in Isodose Calculations for Conformal Prostate Treatments using Multileaf Collimators
- N. Gupta*, B. Albertson |
PO-195 |
Optimizing 3D Dose Distributions Without Inverse Treatment Planning
- J. Galvin*, J. Sweet, G. Bednarz, S. Hughes, W. Curran, Jr. |
PO-196 |
Can a CT Based 2D Treatment Planning System Approach the The Accuracy of 3D Conformal Planning.
- E. Parsai, K. Ayyangar, L. Tao*, J. Feldmeier |
PO-197 |
Custom Designed Beam Spoilers for Head and Neck Treatment
- A. Kassaee*, P. Bloch, E. Yorke, M. Altschuler, D. Rosenthal |
PO-198 |
Conformal RT for Prostate Ca: Prone vs. Supine Treatment Position
- R. Muller-Runkel*, N. Burriesci |
PO-199 |
Implementation of MLC in a University 3D Radiation Treatment Planning System
- W. Dezarn*, J. Bourland |
PO-200 |
Dose Comparisons and Implications for Implementation of 3-D Treatment Planning
- P. Garmon*, Q. Wu, R. Zwicker, G. Hundley, R. Mohan |
PO-201 |
Fitting the Critical Volume NTCP model to
- P. Stavrev*, A. Niemierko, N. Stavrev, M. Goitein |
PO-202 |
Subclinical disease dose-volume effects
- J. Deasy* |
PO-203 |
Intensity Modulation for Breast Treatment Using Static Multi-Leaf Collimators
- Y. Lo, G. Yasuda*, T. FitzGerald, B. DeGaspe, M. Urie |
PO-204 |
Treatment Planning Implementation of Modified Penumbras for Matching of Electron Fields
- B. Lachance*, D. Tremblay, J. Pouliot |
PO-205 |
An Objective Calculation Method for CT Scan Conversion in Radiation Therapy Treatment Planning
- D. Wilson* |
PO-206 |
Video Capture of Prostate Ultrasound Images and Display in a 3D Treatment Planning Computer
- P. Sinha*, W. D'Souza, B. Thomadsen, M. Ritter |
PO-207 |
Progress in Real-Time 3D Dose Planning
- J. Matthews*, B. Goldsmith, J. Purdy |
PO-208 |
Analyzing and Reporting Large Dose Inhomogeneities using the Effective Uniform Dose Formulation Based on the Linear-Quadratic Model
- J. McGary*, W. Grant |