PO-T-1 |
Experimental Evidence of a Wall Effect in Proton Beam Ionization Chamber Measurements
- K. Gall*, W. Newhauser |
PO-T-2 |
A Shutter Assembly Design for a Reactor Based Boron Neutron Capture Therapy Facility
- K. Turnbull*, A. Oliver, C. Ramsey |
PO-T-3 |
Absence of Dose Rate Effects on Optical Response of BANG Polymer Gels at Low and Intermediate Dose Rates
- K. Shahnazi*, N. Yue, P. Bongiorni, R. Nath, M. Maryanski |
PO-T-4 |
Evaluation of a p-type Scanning Diode Detector
- A. Saini*, T. Zhu, I. Rebo, J. Shi, A. Saini |
PO-T-5 |
Monte Carlo Simulations of Miniphantom Measurements
- J. McDonough*, B. Bjarngard |
PO-T-6 |
Dose Correlation Of A MOSFET Dosimeter For In-vivo Skin Dosimetry In Dynamic And Omni Wedged 6MV/18MV Photon Beams
- L. Tao*, A. Kalend |
PO-T-7 |
The Spectral Dependence of the Polarity Effect in Electron Dosimetry
- S. Szendy*, C. Ramsey, A. Oliver |
PO-T-8 |
Effects of Buildup Thickness and Material to Diode Detector SSD Dependence
- J. Shi*, W. Simon, L. Ding, D. Saini, S. Rose |
PO-T-9 |
Detecting Bending Magnet Drifts on Electron Beams with a Commercially Available Energy-monitor
- B. Moftah*, M. Evans, M. Olivares, E. Podgorsak |
PO-T-10 |
Sensitivity Of BANG® Polymer Gels To Light, Ultrasound And Shock Waves: Possible New Applications In Medicine
- M. Maryanski* |
PO-T-11 |
Dwell Time Effects of Laser Scanner Induced Polymerization of Gaf-Chromic Film
- B. Hasson*, P. Sullivan, C. Grossman, L. Simpson |
PO-T-12 |
Radiotherapy Characterization of Pelletized TLD-100
- F. Deibel*, M. Weinhous |
PO-T-13 |
Positioning Accuracy and Reproducibility of a Passive Infrared Marker System
- R. Boone*, T. Solberg |
PO-T-14 |
Air Kerma Calibration Factors and kch Values for PTW Soft X-ray, NACP and Roos Ionization Chambers at Very Low X-ray Energies (0.035 mm- 1.0 mm Al HVL)
- N. Ipe*, K. Rosser, C. Moretti, J. Manning, M. Palmer |
PO-T-15 |
CVD Diamonds as Dosimeter for Radiotherapy - An Assessment
- R. Iyer*, C. Buttar, J. Conway |
PO-T-16 |
Design Of An Attenuating Source Holder For HDR 192Ir Brachytherapy Calibrations.
- S. Pai*, L. Reinstein |
PO-T-17 |
Investigation of HU-Electron Density Relationship for 3D Conformal Treatment Planning
- J. Wang*, A. Osian, N. Ikoro, D. Nori |
PO-T-18 |
Evaluation of a High Contrast Film/Cassette Verification System
- A. Ho*, F. Yin, A. Ratkewicz |
PO-T-19 |
An 8-channel Detector for an Ir-192 Brachytherapy Source-Based Computed Tomography Scanner
- A. Berndt*, S. Rathee, D. Rickey, J. Bews |
PO-T-20 |
Normal-Tissue Effects of Irradiations with Beams of Photons, Protons, and Iron Ions
- J. Dicello*, F. Cucinotta, D. Gridley, S. Howard, J. Mann, G. Novak, R. Ricart-Arbona, J. Strandberg, M. Vazquez, J. Williams, Y. Zhang, H. Zhou, D. Huso |
PO-T-21 |
Depth Dose Characterization of Narrow Proton Beams
- S. Vatnitsky*, D. Miller, M. Moyers |
PO-T-22 |
Comparisons of Dosimetry for Boron Neutron Capture Therapy
- M. Khan, L. Miller*, G. Kabalka, T. Nichols, K. Hubner, G. Smith |
PO-T-23 |
General Tissue Response Model
- P. Stavrev*, A. Niemierko, N. Stavreva, M. Goitein |
PO-T-24 |
Changes in Proton Radiosurgery Dosimetry at the Harvard Cyclotron Laboratory
- K. Myers*, W. Newhauser, A. Smith |
PO-T-25 |
Calibration of Gammacell Irradiator for Irradiation of Radiotherapy Polymer Dosimetry Gel
- T. Kron, C. Baldock*, P. Murry, R. Fitchew, M. Murry, P. Back |
PO-T-26 |
Effects of Glass and Backscatter on Measurement of Absorbed Dose in Radiotherapy Polymer Gel Dosimetry
- C. Baldock*, G. Michael, C. Baldock, C. Henderson, P. Murry, K. Nitschke |
PO-T-27 |
Radiobiology in the Modern Treatment Planning System: the Fourth Dimension
- B. Nelms*, T. Wolf |
PO-T-28 |
An Absorbed Dose Model for Range-Modulated Proton Beams and Applications in Quality Assurance
- W. Newhauser*, H. Paganetti, A. Smith, S. Rosenthal, H. Kooy 1, S. Schmidt2 |
PO-T-29 |
4mm Helmet Factor for Elekta Gamma Knife
- S. Goetsch* |
PO-T-30 |
Quantification of Intraoperative Displacement of Deep Structures in Neurosurgery Using 3D Ultrasound
- A. Hartov*, S. Eisner, D. Roberts, K. Paulsen, L. Platenik, M. Miga |
PO-T-31 |
Automated Repositioning for Body Stereotactic Radiosurgery
- S. Benedict*, R. Cardinale, R. Zwicker, E. Bump, R. Mohan |
PO-T-32 |
Angular Measurement of the Emitted Radiation Spectrum from the Leksell Gamma Knife
- R. Drzymala*, J. Sohn, C. Guo, L. Sobotka |
PO-T-33 |
Automatic Verification of the Isocenter in Stereotactic Radiosurgery
- E. Bolla*, C. Cauzzo, G. Gennaro, L. Riccardi, F. Simonato, R. Zandonà, R. Fabbris |
PO-T-34 |
Clinical Implementation and Verification of a Fractionated Stereotactic Cranial Immobilization System
- M. Plunkett*, W. Shea, J. Lukens, G. Gade, R. Mackintosh |
PO-T-35 |
Comparison of an In-house Developed Treatment Planning System, a Commercially Available System and a BETA-version for Linac Based Radiosurgery
- D. Verellen*, N. Linthout |
PO-T-36 |
I. Setting Standards for Relocatable Stereotactic Head Frames: Proposals
- A. Lightstone*, R. Ramani |
PO-T-37 |
A Method for Accurate Conversion of PDD to TMR Values
- M. Essers*, L. van Battum, P. Storchi |
PO-T-38 |
Setup Verification in Linac-Based Radiosurgery
- T. Falco*, M. Lachaine, B. Poffenbarger, E. Podgorsak, G. Fallone |
PO-T-39 |
The Use of Laitinen Stereoadapter and Glad-X Relocatable Frame in Stereotactic Radiotherapy
- N. Ikoro*, H. Ashamalla, D. Gideo-Addeo, M. Cosma, P. Ross |
PO-T-40 |
Iterative Least Squares Approach to Optimizing Large-Scale Treatment Plans
- D. Shepard*, G. Olivera, P. Reckerdt, J. Aldridge, E. Fitchard, T. Mackie |
PO-T-42 |
Reduction of Small Bowel, Bladder and Rectal Doses using IMRT in Patients Receiving Whole Pelvic Radiation Therapy
- J. Roeske*, J. Kung, A. Mundt |
PO-T-43 |
Stochastic Beam Weight Optimization: The Differential Evolution Algorithm
- J. Deasy* |
PO-T-44 |
Comparison of Algorithms for Multileaf Collimator Field Segmentation
- W. Que* |
PO-T-45 |
Dose Measurement-based Tomographic Intensity Modulated Radiation Therapy: Theory and Numerical Results
- M. Braunstein, R. Levine*, Y. Lo, M. Urie, R. Levine |
PO-T-46 |
Estimation Theory for Therapeutic Treatment Plan Optimization
- L. Xing, J. Li, A. Pugachev*, A. Boyer |
PO-T-47 |
Intensity Modulated Radiation Therapy with Tomographic Reconstruction: MLC Leaf Width and Beam Number Influence on Dose Conformation to Cranial Targets
- M. Braunstein*, R. Levine, Y. Lo, M. Urie |
PO-T-48 |
An Analysis of Speed and Precision in IMRT Delivery
- P. Geis*, R. Hill, S. Kalnicki, A. Wu |
PO-T-49 |
Evaluation of a Prototype Inverse Treatment Planning System
- K. Spencer*, C. Ramsey, A. Oliver |
PO-T-50 |
A Modified Clarkson Integration (MCI) for IMRT
- J. Kung*, G. Chen |
PO-T-51 |
Conformal Field Margins in Multifield, Axial, Coplanar Treatment Planning
- T. Grigereit*, E. Klein, W. Harms, S. Goddu, S. Mutic, D. Low, J. Purdy |
PO-T-52 |
Dosimetric Capabilities of an Electronic Portal Imaging Device
- R. Zwicker*, B. Libby, R. Mohan |
PO-T-53 |
Optimization Techniques for Intensity Modulated Stereotactic Radiotherapy
- S. Simons*, J. Figura |
PO-T-54 |
Dynamic Multileaf-Diaphragm Sequencing with Adjacency Gap Constraints
- H. Kuterdem*, P. Cho, R. Marks II |
PO-T-55 |
Optimal Constraint Dose of an Overlap Region Between Target and Critical Structures for Inverse Treatment Planning
- Y. Watanabe* |
PO-T-56 |
A Leaf Sequence QA Tool for IMRT Beam Delivery
- Y. Chen*, C. Ma |
PO-T-57 |
Verification of Field Placement for Rotational IMRT
- M. Huq, G. Bednarz*, M. Hossain, J. Galvin, W. Curran, Jr. |
PO-T-58 |
Whole-Body Equivalent Dose Estimates in Tomotherapy
- D. Verellen*, N. Linthout |
PO-T-59 |
A Leaf Sequencing Algorithm for Dynamic Multileaf Collimators
- J. Ting*, E. Butker, E. Elder, M. Mitchum, S. Ghavidel, L. Davis |
PO-T-60 |
A Method of Generating Multiple Static Fields and Delivering Intensity Modulated Radiotherapy
- Y. Wu*, D. Yan, M. Sharpe, B. Miller, J. Wong |
PO-T-61 |
Non-Parallel Plane Intensity Modulated RadioSurgery (IMRS)
- B. Salter Jr.*, J. Hevezi |
PO-T-64 |
IMRT Dose Delivery Error from Radiation Field Offset (RFO) Inaccuracy
- J. Kung*, G. Chen |
PO-T-65 |
IMRT Dose Verification Using MOSFET Dosimeters
- M. Kleiman, S. McGinley, A. Jones* |
PO-T-66 |
Leaf Sequencing For Fluence Modulated Radiation Therapy
- N. Agazaryan*, T. Solberg, A. Arellano, T. Paul |
PO-T-67 |
The Effects of Beamlet Sizes on IMRT Optimization
- B. Yi*, K. Forster, A. Boyer |
PO-T-68 |
Use of Dynamic Multileaf Collimator as a Dose Compensator
- J. Park*, C. Chen, C. Liu, S. Anghaie, J. Palta |
PO-T-70 |
A Modified Method of Planning and Delivery for IMRT Treatments
- N. Dogan*, L. Leybovich, A. Sethi, M. Krasin, B. Emami |
PO-T-71 |
Clinical Implementation of Simple Intensity Modulation without Inverse Treatment Planning Software
- C. Ramsey*, K. Spencer, I. Cordrey, A. Oliver |
PO-T-72 |
Dosimetric Apsects of Intensity Modulation in Serial Tomotherapy
- P. Xia*, G. Wong, B. Curran, L. Verhey |
PO-T-73 |
Enhanced Dynamic Wedge Beam Delivery with Dynamic Multileaf Collimator System
- C. Chen*, J. Park, C. Liu, S. Anghaie, J. Palta |
PO-T-75 |
Modulation of Multi leaf Collimator Dose Undulation
- I. Das*, R. Mitra |
PO-T-76 |
Copper-62 an Alternative Isotope for Intravascular Brachytherapy
- R. Chan*, N. Yang |
PO-T-77 |
A Moving-Frame Method in HDR Brachytherapy
- S. Li*, T. DeWeese, D. Lee, M. Wharam, T. Frankel, J. Dicello |
PO-T-78 |
Multigroup Discrete Ordinates Modeling of I125 6702 Seed Dose Distributions Using a Broad Energy-Group, Cross-Section Representation
- G. Daskalov*, R. Baker, J. Williamson, D. Rogers |
PO-T-79 |
Calculation of Beta-ray Dose Distributions from Ophthalmic Applicators
- W. Cross*, J. Hokkanen, H. Jarvinen, F. Mourtada, P. Sipila, C. Soares, S. Vynckier |
PO-T-80 |
Improved Dose Uniformity for Radioactive Stents in Endovascular Brachytherapy
- H. Amols* |
PO-T-81 |
Calculation of Dose Distribution near an Innovative Concentric Balloon Cather for Endovascular Brachytherapy
- Z. Xu*, L. Reinstein, G. Yang, P. Cole |
PO-T-82 |
Dose Uniformity Along and Away From the Axis of a Vascular Lumen Undergoing Intravascular Brachytherapy Using Various Radioactive Sources
- N. Yue*, R. Nath, K. Roberts |
PO-T-83 |
Effects of Applicator Spatial Placement Variations on Cumulative Dose to Point A in the Treatment of Cervical Cancer with 3 HDR Intracavitary Brachytherapy Treatments
- J. Rahimian*, Y. Qian, R. Kagan |
PO-T-84 |
In-vivo Dosimetry for Quality Control in Conformal Brachytherapy for Cervical Carcinoma.
- A. Riet*, L. Elders, C. Hoekstra, V. Althof, E. Vonk, A. Mak |
PO-T-85 |
Enhancement of Tumor Coverage by Interstitial Support to the Intracavitary HDR Brachytherapy for Cervical Carcinoma.
- A. Riet*, C. Hoekstra, T. Kuipers, L. Elders, E. Vonk, A. Mak |
PO-T-86 |
Treatment-plan Optimization for Soft-tissue Sarcomas Using a Genetic Algorithm
- A. Fung*, K. Alektiar, D. Silvern, M. Zaider |
PO-T-87 |
Effects of Vessel Curvature on Dose Distribution in Intravascular Brachytherapy For Various Radionuclides
- N. Yue*, K. Roberts, R. Nath |
PO-T-88 |
Radiochromic Film Dosimetry of a High Dose Rate Beta Source for Intravascular Brachytherapy
- D. Duggan*, C. Coffey, J. Lobdell, M. Schell |
PO-T-89 |
Stent Effect on Beta Dose Distributions for Intravascular Brachytherapy
- P. Fan*, S. Chiu-Tsao, H. Tsao, J. Pisch, L. Harrison |
PO-T-90 |
Assessment of EGS4 for Sr-Y 90 Intravascular Brachytherapy Dosimetry
- R. Wang*, X. Li, C. Yu |
PO-T-91 |
Distributions of Tissue Volume Dose Resulting from Small Compared to Large Dwell Source Stepping in the Rings and Tandems of Gynecological HDR Brachytherapy
- G. King*, S. Nagappan, R. Mogus, A. Kalend |
PO-T-92 |
Dosimetric Analysis of Permanent Prostate Implant with I-125 and Pd-103
- Y. Cao*, X. Wang, L. Potters, C. Ling |
PO-T-93 |
Permanent 125I Prostate Implants: Post-implant Dosimetry Based on Images Acquired on a Single Day Can Only be Approximate
- R. Taschereau*, A. Martin, J. Pouliot |
PO-T-94 |
An Organ DVH Based Optimization Algorithm for Ultrasound Guided Prostate Implants
- Y. Chen*, L. Xing |
PO-T-95 |
New Nomogram for Peripheral Loading of Prostate Brachytherapy Using Iodine-125 Seeds
- A. Wu*, M. Johnson, C. Lee, D. Brown, P. Geis, S. Kalnicki |
PO-T-96 |
The Relationship Between Volume and Dose Conformity Quantifiers in Prostate Brachytherapy
- W. Bice*, J. Prete, D. Dubois, B. Prestidge |
PO-T-97 |
Analysis of the Quality of Prostate Implants Using Dose Volume Histograms and Homogeneity Indexes
- N. Dogan*, N. Mohideen, L. Leybovich, A. Sethi |
PO-T-98 |
Use of Nomogram vs. Pre-planning to Determine Seed Activities for Prostate Seed Implants
- X. Wang*, J. Zhang, L. Potters, C. Ling |
PO-T-99 |
The Dependence of Prostate Post-implant Dosimetric Quality on CT Volume Determination
- W. Butler*, G. Merrick, J. Lief, A. Dorsey |
PO-T-100 |
The Effect of Prostate Swelling on the Dosimetric Parameters Proposed by TG-64
- D. Mellenberg*, G. Weidner, S. Hedican |
PO-T-101 |
Determination of the Urethral Dose in Prostate Brachytherapy when the Urethra is not Visualized in the Post-Implant CT Scan
- F. Waterman*, A. Dicker |
PO-T-102 |
Seed Stability in the Prostate/Periprostatic Region Following Brachytherapy
- W. Butler*, G. Merrick, M. Benson, A. Dorsey, J. Lief |
PO-T-103 |
Concurrent Optimization of Seed Loading and Minimization of Number of Needles in Prostate Seed Implant by Simulated Annealing
- A. de la Zerda* |
PO-T-104 |
Automated Seed Recognition for Intraoperative Prostate Brachytherapy Dosimetry
- P. Cho*, B. Adams |
PO-T-105 |
Measurement and Monte Carlo Calculation of Dosimetric Parameters on the Transverse Axis of a New Pd-103 Source
- Z. Li*, J. Fan, J. Palta |
PO-T-106 |
Experimental Measurement of Dosimetric Parameters on the Transverse Axis of a New I-125 Source
- Z. Li*, J. Fan, J. Palta |
PO-T-107 |
Experimental Verification of XVMC -- A Fast Monte Carlo Code for Photon Beam Treatment Planning
- M. Fippel*, W. Laub, F. Nuesslin |
PO-T-108 |
Implementation of Enhanced Dynamic Wedge Calculations in a Treatment Planning System Based on Primary and Scatter Components
- M. Czerminska*, L. Chin |
PO-T-109 |
Effects of CT Number Conversion on Monte Carlo Dose Calculations
- T. Pawlicki*, K. Ayyangar, C. Ma |
PO-T-110 |
Photon Dose Calculation Performances of a 3D Treatment Planning System Compared to the Monte Carlo Code
- P. Francescon, C. Cavedon*, S. Reccanello, S. Cora |
PO-T-111 |
Implementation of the Electron Pencil-Beam Redefinition Algorithm into a 3D Treatment Planning System
- R. Boyd*, G. Starkschall, K. Hogstrom |
PO-T-112 |
A "Multigrid" Method for Accelerating Three-Dimensional Photon Dose Calculations
- M. Wiesmeyer*, M. Miften |
PO-T-113 |
MCDOSE - A Dose Calculation Tool for Radiotherapy Treatment Planning
- C. Ma*, T. Pawlicki, J. Li, S. Jiang, J. Deng, A. Kapur, E. Mok, G. Luxton, A. Boyer |
PO-T-115 |
The Effect of Monte Carlo Noise on Radiotherapy Treatment Plan Evaluation
- P. Keall*, J. Siebers, B. Libby, R. Mohan, R. Jeraj |
PO-T-116 |
Integration of a Standard Monte Carlo Code into a Commercial Treatment Planning System
- M. Woo, B. Faddegon* |
PO-T-117 |
Photon Beam Commissioning Methodology for a Commercial 3-D Radiation Treatment Planning System
- G. Starkschall*, R. Steadham, S. Ahmad, I. Rosen |
PO-T-118 |
Limitations of Convolution Methods for Modeling Geometric Uncertainties in Radiation Treatment
- T. Craig, J. Van Dyk, E. Wong*, V. Moiseenko, J. Kempe, J. Battista |
PO-T-119 |
Designing Compensators Using the Pinnacle3 Treatment Planning System Accounting for Scatter from Compensators
- H. Liu*, C. Baird, R. Popple, N. Zacharopoulos, I. Rosen |
PO-T-120 |
An Algorithm for Calculating Isodose Distributions and Wedge Factors for Enhanced Dynamic Wedge Symmetric and Asymmetric Fields
- M. Miften*, M. Wiesmeyer, K. Takahashi, S. Broad |
PO-T-121 |
Study of the Efficiency of Auto-Sequencing Technique in Treating the Prostate Cancer Using the Siemens (TM) Primus (TM) Multi-leaf collimators
- C. Yang* |
PO-T-122 |
A Modified Rotational Hemi-body Electron Therapy Technique
- A. Sethi*, L. Leybovich, G. Glasgow, I. Ouyang, N. Dogan, H. Forgione |
PO-T-123 |
A Method of Verification for Craniospinal Irradiation
- Y. Lo*, W. Lutz, M. Anderson |
PO-T-124 |
Additional TBI Patient Dose from Neutrons Due to the Photon Beam Intercepting Steel As Opposed to Concrete
- M. Gillin*, R. Zhu, D. Grimm, F. Lopez, J. Rownd |
PO-T-125 |
Beam Compensation for Total Body Irradiation by Dynamic Delivery
- A. Kassaee*, J. McDonough, M. Altschuler |
PO-T-126 |
A Conformal Dynamic Arc Technique for the Treatment of Pleural Mesothelioma with On-Line Epid Verification.
- B. Lachance*, R. Blais, J. Roy, É. Vigneault, J. Pouliot |
PO-T-127 |
Seven-Field Breast Irradiation Using Mixed Electron-Photon Beams to Treat the Internal Mammary Chain.
- B. Lachance*, M. Larochelle, N. Varfalvy, D. Tremblay |
PO-T-128 |
Improved dose homogeneity in Scalp Irradiation using a Single Setup Point and Different Energy Electron Beams
- R. Yaparpalvi*, D. Fontenla, J. Beitler |
PO-T-129 |
TBI - A Review of Techniques
- M. Urie*, L. Tisch, A. Nevelsky, F. Laurie, T. Fitzgerald |
PO-T-130 |
Virtual Wedge Factors and Clinical Implementation of the Siemens Virtual Wedge
- X. Zhu*, M. Gillin, F. Lopez, D. Grimm, J. Rownd |
PO-T-131 |
Elimination of Field Size Dependence of Enhanced Dynamic Wedge Factors
- A. Sethi*, L. Leybovich, N. Dogan, G. Glasgow |
PO-T-132 |
A Function Relating Portal Film Dose Distribution to Compensator Thickness Map for Parallel Opposed Fields
- M. Loyd* |
PO-T-133 |
The Use of Multiple Static Fields to Smooth MLC Field Edges
- M. Svatos*, L. Verhey, T. Steinberg |
PO-T-134 |
The Application of Simple Techniques makes the Elekta 40x40cm Multileaf Collimator as accurate but more versatile than a Mini Multileaf Collimator.
- M. Welch* |
PO-T-135 |
Implementation of a Siemens Virtual Wedge on RenderPlan Planning System
- M. Bank* |
PO-T-136 |
Comparison of MLC (VARIAN) vs. Cerrobend Block in Clinical Setup
- Y. Qian*, P. Chow, L. Maslack, L. Lin, S. She, R. Kagan |
PO-T-137 |
Comparison of 3D Compensation versus Conventional Wedge Techniques : Potential of a New Compensating Device
- C. Bletscher*, R. Wallace, J. DeMarco, C. Kimme-Smith |
PO-T-138 |
EDW Fields- A New Tecnnique for Data Collection
- D. Bhaduri*, B. Anderson, C. Bockelman |
PO-T-140 |
Calculate Effective Wedge Factors of Any Wedge Angles of Enhanced Dynamic Wedge from a Measured 60 Degree Wedge Factor
- M. Lii*, L. Dong, A. Shiu |
PO-T-141 |
A Comparison of the AAPM TG51 Protocol and the IAEA Absorbed-Dose-to Water Based Code of Practice for Dosimetry Calibration of High Energy Photon Beams
- M. Huq*, M. Hossain, P. Andreo**, M. Huq |
PO-T-142 |
Film Dosimetry for Enhanced Dynamic Wedges
- L. Dong*, J. Lii, A. Shiu, H. Liu |
PO-T-143 |
A Comparison of Single Focused vs Double Focused MLC Field Blocking
- J. Killoran*, J. Giraud, L. Chin |
PO-T-144 |
An Evaluation of the Recommendations of the AAPM TG51 Protocol: Photon Beam Calibration and Comparison with the TG21 Protocol
- M. Huq* |
PO-T-145 |
Comparison between TG-51 and TG-21: The Results of TG-51 Beta Testing
- J. Lowenstein*, S. Cho, P. Balter, W. Hanson |
PO-T-146 |
A Single Diode Detector for In Vivo Dosimetry of Photon Beams
- V. Colussi*, C. Sibata, A. Beddar, Q. Wu, T. Kinsella |
PO-T-147 |
Profiles of Head-Scatter Photons and Contaminating Electrons Measured with Radiographic Film
- B. Arjomandy*, B. Bjangard |
PO-T-148 |
Transmission and Dose Perturbations with High-Z Materials in Clinical Electron Beams
- I. Das*, R. Mitra, C. Cheng |
PO-T-149 |
Analysis of Dose Distributions in Six Dual Field Total Skin Electron Therapy
- K. Yenice*, A. Sabbas |
PO-T-150 |
Design and Implementation of a New Device for The Integral Measurement of Total Source-on Time for a High Dose Rate (HDR) Remote Afterloading Treatment
- E. Parsai*, K. Brown, K. Ayyangar, J. Feldmeier |
PO-T-151 |
A 16-field Technique for Total Skin Electron Irradiation
- C. Cheng*, R. Wallace, J. Gorman |
PO-T-152 |
Evaluation of Clinical Use of Siemens Variable Electron Applicator
- A. Thavendrarajah* |
PO-T-153 |
Investigation of Patient Position Comparing Two Immobilization Devices with the Use of Port Film/Digitally Reconstructed Radiograph for Brain Tumors
- L. Butler*, Y. Zhu, W. Gaber, T. Merchant |
PO-T-154 |
Partial Bolus Verification of Patient Dose via MOSFET Dosimeters
- D. Lightfoot* |
PO-T-155 |
Mixed-beam 3-D conformal therapy: Dosimetric verification
- P. Halvorsen*, S. Parker |
PO-T-156 |
Assessment of the Accuracy of Monitor Unit Calculations in Three-Dimensional Treatment Planning
- M. Vossler*, J. Bayouth |
PO-T-157 |
New Treatment Table Panel with Reduced Skin Dose
- F. Wittkamper*, M. Dwarswaard, W. Balk |
PO-T-158 |
Measurement of Filtered Percentage Depth Dose for Higher Energy Photon Beams
- W. Kopecky, N. Nelson, F. Abrath, J. Gu*, R. McDonald, J. Dawson |
PO-T-159 |
The Dose Distribution of Stomal Boosts
- E. Yorke*, A. Kassaee, T. Doyle, M. Altschuler, D. Rosenthal |
PO-T-160 |
Characterize Patient-specific Target Motion During The External Beam Treatment of Prostate Cancer
- K. Kota*, D. Yan, J. Lebesque, M. VanHerk, J. Wong |
PO-T-161 |
Optimization of Treatment Planning Using a Fuzzy Weight Function
- F. Yin*, R. Li |
PO-T-162 |
Optimization of Importance Factors in Inverse Planning
- L. Xing*, J. Li, A. Boyer |
PO-T-163 |
Clinical Implementation of Wedge Filter Optimization in 3D Radiotherapy Treatment Planning
- J. Li*, L. Xing, A. Boyer |
PO-T-164 |
Adaptive Grid Generation for Automated Treatment Planning: Regions of Interest and Pencil Beam Gridding
- J. Deasy* |
PO-T-165 |
Evaluation of a Totally Integrated CT-Simulator-Treatment Planning System for Accuracy and Efficiency
- E. Butker*, D. Helton, E. Elder, J. Ting, L. Davis |
PO-T-166 |
Improved Dose Homogeneity in Opposed Beams Irradiation Using an Additional Static Field
- J. Pérez-Calatayud*, F. Lliso, V. Carmona, A. González, J. Ruíz, I. Petschen, F. Ballester |
PO-T-168 |
Determination of Clinically Relevant Setup Error for Daily Electronic Portal Imaging Analysis
- F. Van den Heuvel*, I. Han, A. Strowbridge, S. Chungbin, D. Ragan |
PO-T-169 |
Evaluation of Radiation Guided Gene Therapy Using Pinhole Imaging and Region-of-Interest (ROI) Analysis
- C. Scarfone*, L. Geng, G. Holburn, A. Brill, J. Dugger, J. Patton, M. Sandler, D. Hallahan, C. Scarfone |
PO-T-170 |
Characteristics and Role of a Prototype Amorphous Silicon Array EPID in Breathing Synchronized Radiotherapy
- H. Kubo*, E. Shapiro, E. Seppi |
PO-T-171 |
In-depth Testing of Information Management Systems Prior to Operation
- K. Turnbull*, K. Spencer, C. Ramsey, A. Oliver |
PO-T-172 |
Protocol Pre-Approval Processes for Radiotherapy Treatment on Clinical Trials; The RPC Experience
- D. Davis*, D. Followill, R. Tailor, J. Lowenstein, I. Harris, J. Roll, W. Hanson |
PO-T-173 |
Techniques for DRR Optimization in Virtual Simulation
- J. Killoran*, J. Giraud, E. Mannarino, L. Chin |
PO-T-174 |
External Beam Guided Drug Delivery using Radiolabeled Microspheres: Evaluation with Nuclear Medicine and Autoradiography Region-of-Interest (ROI) Techniques
- C. Scarfone*, L. Geng, A. Brill, G. Holburn, J. Clanton, J. Dugger, J. Patton, M. Sandler, D. Hallahan, C. Scarfone |
PO-T-175 |
Field and Patient Setup Analysis Using Electronic Portal Imaging on a Cobalt Unit
- P. Vos*, R. de Vries1, A. Vosspoel2 |
PO-T-176 |
A 3-D Image Registration Toolkit for Radiation Therapy Treatment Planning
- Y. Hu*, A. Erdi, C. Chui |
PO-T-177 |
A Collimation Design for Double-exposure Portal Imaging
- P. Greer*, T. van Doorn |
PO-T-178 |
A Robust Algorithm for Spikes Elimination from 2D CCD Low-level Lightoutput Measurements in the Presence of Ionizing Radiation Field
- S. Devic*, A. Kirov, J. Williamson, Z. Piao, J. Dempsey |
PO-T-179 |
Analysis of Radiological Physics Center Remote Tools Program Data
- J. BenComo*, J. Lowenstein, D. Davis, C. Davis, W. Hanson |
PO-T-180 |
A Comparison of the Accuracy of Automated Versus Manual Patient Setup Adjustment in Radiotherapy
- K. Brock*, J. Balter, D. McShan |
PO-T-181 |
Film Dosimetry Application in Photodynamic Therapy (PDT): A Practical Method to Test Beam Uniformity from Microlens
- V. Colussi*, C. Sibata, T. Kinsella |
PO-T-182 |
Dynamic Motion Phantoms for the Evaluation of Video Based Respiratory Gating Systems
- C. Ramsey*, I. Cordrey, K. Spencer, A. Oliver |
PO-T-183 |
Quality Assurance of Dynamic Aarc Multileaf Collimator
- B. Yi*, L. Xing, A. Boyer |
PO-T-184 |
A Level 3 Dosimetric Intercomparison for Australasia: A Pilot Study
- T. Kron*, B. Stephen, M. Roff, C. Hamilton, J. Denham |
PO-T-185 |
Quality Assurance Tools for Frequent, Speedy Assessment of a large field Multileaf Collimators.
- M. Welch* |
PO-T-187 |
Verification of Intensity Modulated Beams in Radiotherapy
- M. Fix*, P. Manser, H. Keller, E. Born, D. Vetterli, R. Mini, P. Ruegsegger |
PO-T-188 |
Quality Assurance of Head-Scatter Factor for Square and Rectangular Collimator Settings
- T. Zhu*, B. Bjarngard, Y. Xiao |
PO-T-189 |
Commissioning of ADAC Pinnacle 3 Treatment Planning System: Inhomogeneity Correction
- J. Wang*, S. Chiu-Tsao, L. Wang, L. Harrison |
PO-T-190 |
Acrylic Test Phantom for Measuring PDD and Beam Profiles
- T. Steinberg*, S. Szeglin, F. Hu |
PO-T-191 |
A Two Dimensional Decision Making Model After Comparing Portal and Reference Images
- T. Kron*, C. Hamilton, C. Wratten, J. Denham |
PO-T-192 |
Algorithms for the Verification of 3D Conformal Prostate Treatment using EPID
- L. Girouard*, E. Vigneault, J. Pouliot |
PO-T-193 |
Commissioning Procedures for Monte Carlo Dose Calculation Algorithms
- P. Keall*, J. Siebers, B. Libby, R. Mohan |
PO-T-194 |
Five Years Follow-up of a Quality Assurance Program in Virtual Simulation
- J. Pérez-Calatayud*, F. Lliso, V. Carmona, A. González, J. Ruíz, I. Petschen, F. Ballester |
PO-T-195 |
RPC Experience with TLD for Output and Energy Monitoring of Radiation-therapy Beams
- R. Tailor*, J. Aguirre, W. Hanson |
PO-T-196 |
An Anthropomorphic Head Phantom for Remote Monitoring of Stereotactic Radiosurgery at Multiple Institutions
- P. Balter*, M. Stovall, W. Hanson |
PO-T-197 |
Commissioning of the Brachytherapy Module on Theraplan Plus
- M. MacPherson*, J. Cygler, D. Wilkins |
PO-T-198 |
Error Analysis of In-Vivo Diode Dosimetry in a Small Clinic
- A. Thompson*, T. Zhu |
PO-T-199 |
Quality Assurance of Beam Accuracy for Leksell Gamma Unit
- C. Yu*, G. Luxton, Z. Petrovich |
PO-T-200 |
Converting Absorbed Dose to Medium to Absorbed Dose to Water for Monte Carlo Based Dose Calculations
- J. Siebers*, P. Keall, R. Mohan |
PO-T-202 |
A Modified Discrete Ordinates Algorithm for Photon Transport Applications
- J. DeMarco*, A. Mesa, R. Cook |
PO-T-203 |
Analytic Modeling of Treatment Head Scatter Factor
- G. Desobry*, T. Zhu |
PO-T-204 |
Dose Calculations of a 6MV Photon Beam Using a Finite-Size Pencil Beam Model
- W. Hinson*, J. Bourland |
PO-T-205 |
Photon Beam Spectra from Measured Depth Dose in the Buildup Region
- M. Altschuler*, P. Bloch, B. Bjarngard, A. Kassaee, J. McDonough |
PO-T-206 |
Proton Transport Based on a Generalization of Fermi-Eyges Theory and Energy Spectrum Evolution
- A. Chvetsov*, G. Sandison |
PO-T-207 |
Spectral Measurements of a 6MV Photon Beam for Finite-size Pencil Beam Dose Calculations
- W. Hinson*, J. Bourland |
PO-T-208 |
Evaluation of Output Factors for Customized Electron Cones
- B. Ahluwalia*, A. Khatib |
PO-T-209 |
An Iterative EPID Calibration Procedure for Dosimetric Verification that Considers the EPID Scattering Factor
- J. Chang*, G. Mageras |
PO-T-210 |
Effects of the Shape of Photon Energy Spectrum on the Beam Data in Water
- T. Zhu*, B. Bjarngard, J. McDonough, P. Bloch |
PO-T-211 |
Monte Carlo Calculation of Dose Rate Distributions Around the Amersham CDCS-M Cs-137 Source
- E. Casal, J. Lluch, F. Ballester*, J. Pérez-Calatayud, F. Lliso |
PO-T-212 |
Monte Carlo Study of Virtual Versus Physical Wedges for Photon Beams of 6-10 MV
- F. Verhaegen*, I. Das |
PO-T-213 |
Monte-Carlo Simulations of Dose Rate Distributions Around Three Amersham LDR Small Cs-137 Sources
- J. Lluch, F. Ballester*, J. Pérez-Calatayud, F. Lliso, E. Casal |
PO-T-214 |
Clinical Implementation of a Two-Source Model for Calculation of Electron Relative Output Factors
- C. Lewis*, J. Chen, K. Spyksma |
PO-T-215 |
A Deterministic Electron Transport Algorithm for Radiation Dosimetry
- A. Mesa*, J. DeMarco, R. Cook |
PO-T-216 |
A Fast Model for the Prediction of the PDD/TPR of Irregular Shaped Fields From Just a Few Physical Parameters
- Y. Xiao*, M. Huq, M. Hossain |
PO-T-217 |
Derivation of Anisotropy Functions and Dose-rate Constants for 192Ir Brachytherapy Sources Using Primary and Scatter Dose Separation
- K. Russell*, A. Ahnesjö |
PO-T-218 |
An Optimization Method to Derive Extra-focal Source from Collimator Scattering Factor (Sc)
- J. Chang* |
PO-T-219 |
Calculation of Portal Dose Distributions for Verification in Radiotherapy
- M. Fix*, M. Sabel, H. Keller, E. Born, D. Vetterli, R. Mini, P. Ruegsegger |
PO-T-220 |
Monte Carlo Simulations for Electron Backscattering in Lead
- M. Serrano, F. Ballester*, J. Pérez-Calatayud, V. Carmona |
PO-T-221 |
A Simple Electron Beam Simulation Program
- D. Wilson* |
PO-T-222 |
Effects of Beam Divergence, Fluence Distribution, and Beam Quality on the Phantom-scatter Factor
- L. Wang*, T. Zhu, B. Bjarngard |
PO-T-223 |
Longitudinal and Lateral Scatter Dose Buildup in 60Co beams
- R. Mooij* |
PO-T-224 |
Clinical Electron Beam Dosimetry - Comparison Between TG-21 and TG-51 Dosimetry Protocols
- J. Cygler*, C. Kwok, G. Ding |
PO-T-225 |
Comparison of Results in Absorbed Dose Calibration Between Using AAPM TG-21 and TG-51 Protocols - Electron Beams
- G. Ding1*, M. Yu1, J. Cygler2, G. Ding |
PO-T-226 |
Comparison of the Photoneutron Spectra and Fluence Rates Generated from a High Energy Linear Accelerator using Hard and Dynamic Wedges
- E. Thomas*, C. Ramsey |
PO-T-227 |
Determination of the Bremsstrahlung Spectra of High-Energy Medical Linear Accelerators using a Simpson Iteration Technique
- R. Alhakeem*, L. Miller, C. Ramsey, A. Oliver |
PO-T-228 |
Effective Source Distances for Physical and Dynamic Wedged Fields
- M. Johnson*, S. Sharma |
PO-T-229 |
Evaluation of a 3D Treatment Planning System for Dose Computations in the Kilovoltage Energy Range
- P. Alaei*, B. Gerbi, R. Geise |