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PROGRAM

44th ANNUAL MEETING OF COMP AND CCPM

London Health Sciences Centre and University of Western Ontario, London Ontario, June 1998.

Papers will be presented by the first author, unless indicated by an asterisk.

Paper #
Scheduled Time
Title
Authors

Wednesday June 17, 1998

  19:00 Welcome Barbecue (Delaware Hall)  
  20:00 CCPM Mammography Forum (for those concerned with mammography physics assessment under the CAR accreditation program) Chair: Ian A. Cunningham

Thursday June 18, 1998

  8:15 Welcome P.C. Johns, A. Fenster, P.B. Dunscombe
    CCPM Symposium - Functional Imaging: Frontiers and Applications Chair: Ting Y. Lee
S-1 8:30 Brain Mapping: A Computational Approach to the Study of Normal Brain and Neuropathology A.C. Evans
S-2 9:05 Advances in Positron Tomography C. Nahmias
S-3 9:40 Spatial and Temporal Characteristics of Functional Magnetic Resonance Imaging (fMRI) R. Menon, J. S. Gatti, B. G. Goodyear, F. Graydon, C. G. Thomas
  10:15 COFFEE  
S-4 10:35 CT Evaluation of Cerebral Blood Flow T.-Y. Lee, D. H. Lee, A. J. Fox, D. G. Nabavi
S-5 11:10 Functional Imaging using Ultrasound A. Fenster, D. G. Nabavi
S-6 11:45 Cerebral Vascular Anatomy and Blood Flow: 3-D CRA and Digital Cine Angiography during Intervention D. W. Holdsworth, R. Fahrig, A. J. Fox, S. Lownie
  12:20 Opening of Commercial Exhibits  
    LUNCH / POSTER VIEWING / VISIT COMMERCIAL EXHIBITS

Box lunches will be provided in the Exhibit area.

 
    CCPM Professional Development Workshop Chair: Ting Y. Lee
  14:00 Introduction  
W-1   Rationale for a New Dosimetry Protocol in Canada D. W. O. Rogers, C. K. Ross, J. P. Seuntjens, K. R. Shortt
  15:40 End of CCPM Symposium and Workshop  
  15:50 CCPM AGM (For CCPM Members and Fellows) (Coffee provided)  
    POSTER VIEWING / VISIT COMMERCIAL EXHIBITS (coffee in exhibit area)  
  18:00 - 22:00 COMP Poster Session and Reception Chair: Michael S. Patterson
P-1   A CT Simulated Rotating Half-Block Technique For Treatment Of The Breast Or Chest Wall And Draining Lymphatics M. Olivares, M. D. C. Evans, C. R. Freeman, V. Benk, M. Gosselin, E. B. Podgorsak
P-2   Treatment Planning For 5 Field Irradiation Of The Breast Including Internal Mammary Lymph Nodes S. Connors, R. Scrimger, S. Halls
P-3   Dose Uniformity Through Optimizing Wedging In Irradiation Of The Breast A. Roberge, P. Dunscombe, E. Lederer
P-4   Monte Carlo Investigation Of Electron Beam Relative Output Factors G. G. Zhang, D. W. O. Rogers, J. Cygler
P-5   MCRTP: A New EGS4 User Code for Monte Carlo Electron Treatment Planning B. A. Faddegon
P-6   Evaluation Of The New Electron Beam Algorithm in Theraplan Plus 3D Planning System J. E. Cygler, G. X. Ding, K. C. Ash, G. G. Zhang
P-7   An Evaluation Of A Commercial 3D Electron Beam Treatment Planning System G. X. Ding, M. K. Yu, J. E. Cygler, G. G. Zhang
P-8   A Two-Source Model For Electron Beams: Calculation Of Relative Output Factors J. Z. Chen, J. Van Dyk, C. Lewis, J. J. Battista
P-9   An Investigation Of The Method Of Depth Dose Flattening Of Electron Beams Using A Wire Mesh Bolus J. Robins, R. Mooney, D. Hertzman
P-10   Improvement Of Dose Calculation Accuracy Under Small Blocks For High-Energy Photon Beam By Using An Effective Block Transmission Factor J. Sun, U. Orhun, J. R. Cunningham
P-11   A Method Of Calculating Head Scatter Factors For Fields Shaped With A Siemens Multi-Leaf Collimator D. E. Wilkins, J. Szanto, L. H. Gerig
P-12   Accounting For Detector And Source Size Effects On Photon Beam Penumbra P. Charland, E. El-Khatib
P-13   Dosimetric Verification Of A 3D Treatment Planning System Based On A Pencil-Beam Algorithm C. J. Arsenault, J.-C. Anctil, P. Courteau, E. R. Lawrence
P-14   A Structure Map As A Visualization Aid in Three Dimensional Treatment Planning D. M. Robinson
P-15   Impact Of Organ Motion Uncertainties On Computerized Optimization Of Radiation Treatment Plans: An Example E. Wong, J. Van Dyk, J. J. Battista
P-16   Automatic Image Correlation Based 3-D Stereotactic Position Verification System L. M. Sirois, B. G. Fallone
P-17   A High-Dose-Rate Brachytherapy Computed Tomography Scanner A. Berndt, J. Bews, S. Rathee, D. W. Rickey
P-18   A Feasibility Study Of A Tomotherapy Unit Based On Cobalt-60 Radiation Sources G. Gallant, A. Kerr, E. Heath, L. J. Schreiner
P-19   The Long Term Stability Of The Siemens Virtual Wedge P. Dunscombe, P. McGhee, S. Humphreys, T. Chu
P-20   Comparison Of Quality Assurance Protocols For Medical Linear Accelerators T. K. Yeung, S. Humphreys, P. Dunscombe
P-21   How Can We, Medical Physicists, Cope With The New HARP ? T. Chu, T. K. Yeung
P-22   An Optical And Ionizing Radiation Digital Detector For Setup Verification In Radiosurgery B. Poffenbarger, T. Falco, M. Lachaîne, E. B. Podgorsak, B. G. Fallone
P-23   The Assessment And Redesign Of A Prostate Treatment Planning Process B. G. Clark, C. Zankowski
P-24   An Assessment Of The Suitability Of Simulator-CT Images For The Treatment Planning Of The Prostate B. Arjune, S. P. Gulavita, O. Ogboola, M. L. Anthes , P. L. McGhee
P-25   Calibration Of The Varian Portal Imager For Dose Measurements S. Ozard, E. El-Khatib
P-26   A Kilovoltage X-Ray Source For Portal Imaging P. Munro, D. C. Bouius
P-27   Dosimetry of b -Emitting Solution, Injected In A Rabbit Artery, Using A Dose Point Kernel Approach S. Le Bail, R. Carrier, J.-F. Corbett, G. Leclerc
P-28   Applications Of Fuzzy Logic In Medical Decision Making R. N. Tremewan, S. Alexander, C. Manning, D. Campbell
P-29   Digital Fluorescein Test M. F. M. Costa, S. Franco
P-30   Early Screening Of The Visual System Of Infants M. F. M. Costa, J. M. Jorge
P-31   Effects Of Beam Polychromaticity On X-Ray Scatter Imaging R. J. Leclair, P. C. Johns
P-32   Scintillation Light Emission Studies Of LSO Scintillators A. Saoudi, D. Rouleau, C. Pépin, D. Houde, R. Lecomte
P-33   Pediatric Effective Doses In Diagnostic Radiology W. Huda, N. A. Gkanatsios, R. J. Botash, A. S. Botash
P-34   An Image Display Workstation For Digital Mammography A. Bloomquist, V. Young, J. Byng, G. Mawdsley, M. Yaffe
P-35   A Prototype Photodiode/CCD X-Ray Detector for Mammography N. Ford, J. G. Mainprize, B. Starkoski, S. Yin, M. Yaffe, T. Tumer
P-36   Artifacts Inherent To The Noise-Power Spectrum Of Digital Imaging Systems H. Lai, I. A. Cunningham
P-37   Predicting Acoustic Response Of A Microbubble Population For Ultrasound Contrast Imaging C. T. Chin, P. N. Burns
P-38   High Frequency (50 MHz) Colour Doppler Imaging Of Blood Flow In The Microcirculation D. E. Goertz, D. A. Christopher, P. N. Burns, F. S. Foster
P-39   Detecting And Correcting Brain Tissue Deformation Using Intra-Operative Ultrasound Imaging In Interactive Image Guided Neurosurgery R. M. Comeau, D. G. Gobbi, A. Fenster, A. F. Sadikot, T. M. Peters
P-40   Level-Set Surface Segmentation And Registration For Computing Intrasurgical Deformations M. A. Audette, T. M. Peters
P-41   Aortic Wall Imaging With MR Y. H. Chia, C. K. Macgowan, C. A. Webster, M. L. Wood
P-42   Interpreting fMRI Data Using ROC Analysis W. Huda, N. M. Szeverenyi
P-43   MRI Of Hyperpolarized Xenon P. Sévigny, G. Santyr, J. Wallace, S. Breeze, S. Lang, J. Xu, I. Moudrakovski, B. Simard, J. Ripmeester
P-44   Polyvinyl Alcohol Phantoms For Use In MR And US Imaging K. J. M. Surry, C. C. Blake, K. C. Chu, M. Gordon, B. K. Rutt, A. Fenster, T. M. Peters
P-45   Mapping Temperature Gradients In Liver Using MRI And Thermocouple Temperature Measurements J. C. Wallace, W. K. Myint, R. L. Clarke, G. E. Santyr
P-46   Gradient Coil Magnetostimulation In MRI B. A. Chronik, B. K. Rutt
P-47   Design Of Multiband Selective RF Pulses In MRI C. H. Cunningham, M. L. Wood
P-48   T2-Selective RF Excitation (TELEX) Applied to White Matter M. S. Sussman, J. M. Pauly, G. A. Wright
P-49   CMPG Imaging At 4.0 Tesla For Estimation Of Multi-Component T2 Relaxation In Vivo P. Gareau, R. Mitchell, S. Karlik, B. Rutt
P-50   An Optimized CPMG Imaging Sequence For Multi-Component T2 Measurements At 4.0 T P. Gareau, R. Mitchell, S. Karlik, B. Rutt
P-51   Differences Between The Kinetics Of Two MR Contrast Agents In A Canine Spontaneous Breast Tumour Model E. Henderson, J. Sykes, E. Jensen, R. S. Pereira, D. Drost, B. K. Rutt, F. Prato, H.-J. Weinmann, T.-Y. Lee
P-52   Diagnosing Equine Cervical Vertebrae Malformation (Wobbler's Syndrome) Using Magnetic Resonance Imaging (MRI): Potential Use For MRI In Veterinary Medicine S. P. Holmes, M. B. Hurtig, H. Dobson, G. S. Toole, E. G. Janzen

Friday June 19, 1998

    Session 1. Radiation Therapy: Planning and Dosimetry Chair: Jake van Dyk
1-1 8:05 Evaluation Of A 3D Treatment Planning System Using The AAPM TG23 Test Package K. E. Sixel, K. Mah
1-2 8:15 Improvement of CADPLAN Algorithm For Tangential Fields Y. Archambault, Y. Hervieux, W. Wierzbicki
1-3 8:25 Monte Carlo Calculations Of Fluence Spectra In Air For Several 192Ir Source Configurations J. Borg, J. Seuntjens, D. W. O. Rogers
1-4 8:35 An EGS4 Monte Carlo Examination Of The Spencer-Attix Cavity Theory For Solid State Detectors Irradiated In Megavoltage Electron Beams P. N. Mobit, G. A. Sandison
1-5 8:45 Experimental Evaluation Of Interface Dose In Geometries Relevant To The Head And Neck Region And Comparison To Analytical Calculations And Simulation Using GEANT B. H. Shahine, D. Axen, M. S. A. L. Al-Ghazi, E. El-Khatib
1-6 8:55 Calculation of Photon Beam Quality Specifiers C. L. Yang, D. W. O. Rogers, J. Seuntjens
1-7 9:05 Dosimetry of Moving Jaws For Dynamic Beam Delivery Systems R. A. Corns, M. D. C. Evans
1-8 9:15 Treatment Planning For X-Ray Rotation Therapy: The Solution Of The Inverse Problem U. Oelfke, T. Bortfeld, W. Schlegel
1-9 9:25 Dosimetry Of Radioactive Stents: Quantification of "Hot Spots" R. Carrier, S. Le Bail, J.-F. Corbett, G. Leclerc
1-10 9:35 The Great Debate: Optical CT vs. MR Imaging Of 3D Radiation Dose Distributions In FBX-Gel R. G. Kelly, K. J. Jordan, K. C. Chu, B. K. Rutt, J. J. Battista
  9:45 COFFEE  
    Session 2. J.R. Cunningham Young Investigators Symposium Chair: Aaron Fenster
2-1 10:20 Contrast-Enhanced MR Angiography At 0.5 Tesla With Two Novel Blood Pool Agents S. Clarke, H. J. Weinmann, E. Dai, A. Lucas, B. K. Rutt
2-2 10:32 Design Of Ultrasound Linear Arrays For Interstitial Thermal Therapy R. Chopra, M. J. Bronskill, F. S. Foster
2-3 10:44 Dynamic Range Of A Single Shot T1 Mapping Method C. A. McKenzie, R. S. Pereira, F. S. Prato, Z. Chen, D. J. Drost
2-4 10:56 Study Of A Metal/A-Se -Based Portal Detector T. Falco, B. G. Fallone
2-5 11:08 The Effects Of Uniform And Non-Uniform Scatter And Attenuation Compensation For Quantitative Brain SPECT R. Z. Stodilka, B. J. Kemp, P. Msaki, F. S. Prato, R. L. Nicholson
2-6 11:20 Characterization Of A Dual Wavelength Time Domain System For The Determination of Hemoglobin Saturation Through Comparison With Continuous Wave And Frequency Domain Systems R. J. Hunter, M. S. Patterson, R. A. Weersink, J. T. Bruulsema, J. E. Hayward
2-7 11:32 Dosimetric Verification of Intensity-Modulated Photon Beams With A Portal Imager A. J. Curtin-Savard, E. B. Podgorsak
2-8 11:44 The Development Of An In Vivo Procedure For Routine Aluminum Monitoring In Human Bone By Neutron Activation Analysis A. Pejovic-Milic, F. E. McNeill, D. R. Chettle
2-9 11:56 Computed Rotational Angiography: 3-D CT Images of Cerebral Vessels R. Fahrig, A.J. Fox, S. Lownie, D.W. Holdsworth
2-10 12:08 Optimization And Benchmarking Of Monte Carlo Calculated Dose Distributions In Megavoltage Photon Beams D. Sheikh-Bagheri, D. W. O. Rogers, C. K. Ross, J. P. Seuntjens
2-11 12:20 Assessment Of Myocardial Viability And Determination Of Partition Coefficient In Vivo Using MRI and Gd-DTPA R. S. Pereira, F. S. Prato, J. Sykes, G. Wisenberg
  12:32 LUNCH / POSTER VIEWING / VISIT COMMERCIAL EXHIBITS

Box lunches will be provided in the Exhibit area.

 
    Session 3. Radiation Biophysics and Nuclear Medicine Chair: Frank S. Prato
3-1 13:50 The In Vivo Measurement of Trace Toxic Elements F. E. McNeill
3-2 14:00 The Biophysics Of IUdR K-Edge Radiosensitization: Dosimetric Considerations and Biological Consequences S. J. Karnas, E. Yu, J. J. Battista
3-3 14:10 Accuracy Of The Diffusion Approximation In Determining The Optical Properties Of A Two-Layer Turbid Medium G. Alexandrakis, T. J. Farrell, M. S. Patterson
3-4 14:20 Pinhole SPECT: Towards Clinical Thyroid Tomography T. A. Hewitt, B. T. A. McKee, M. J. Chamberlain
3-5 14:30 Investigation Of Detector Response Models For Statistical Iterative Image Reconstruction In High Resolution PET V. Selivanov, R. Lecomte
3-6 14:40 In Vivo Quantification Of Presynaptic Dopamine Synthesis By PET/FmT In The Human Brain: Towards A Better Input Function M.-C. Asselin, L. M. Wahl, C. Nahmias
    Session 4. X-Ray Imaging Chair: David W. Holdsworth
4-1 14:50 Detective Quantum Efficiency of Direct, Flat Panel X-Ray Imaging Detectors For Fluoroscopy D. C. Hunt, W. Zhao, J. A. Rowlands
4-2 15:00 Design And Optimization Of A Direct Conversion Detector For Digital Mammography J. G. Mainprize, M. J. Yaffe, W. Hamilton, T. Tümer
4-3 15:10 Investigation Of Laser-Produced Plasma X-Ray Source For Application in Angiography In DESA Regime A. Krol, J.-C. Kieffer, Z. Jiang, C. C. Chamberlain, P. Galant, D. A. Bassano, J. Yu
4-4 15:20 Screening Mammography Program Of British Columbia (SMPBC): A Physics Perspective A. Bergman, C. Duzenli, K. Luchka, R. Rajapakshe
4-5 15:30 Radiology QA Programme At The Winnipeg Children's Hospital J. M. C. Gallet, M. H. Reed, J. Hlady
4-6 15:40 How Does Radiation Dose And Display Contrast Affect Low Contrast Phantom Image Visibility? C. C. Chamberlain, W. Huda*, A. R. Wojtowycz
  15:55 COMP AGM (coffee provided)  
  18:30 CONFERENCE BANQUET  
    Announcement of Winner of Sylvia Fedoruk Prize, JR Cunningham Young Investigator Awards, Poster Awards  

Saturday June 20, 1998

    Session 5. CT and MR Chair: Maria Drangova
5-1 8:05 On Alleviating The Effects Of View Aliasing Artifacts In Computed Tomography R. R. Galigekere, D. W. Holdsworth
5-2 8:15 Application of Dynamic Contrast Enhanced Computed Tomography To Interstitial Laser Photocoagulation T. Purdie, M. Iizuka, M. Sherar, A. Fenster, T.-Y. Lee
5-3 8:25 In-Vivo X-Ray CT Measurements Of Cerebral Blood Volume In Brain Tumours A. Cenic, T.-Y. Lee, R. A. Craen, A. W. Gelb
5-4 8:35 Multislice Adiabatic Saturation Recovery T1 Measurement For Quantitative Dynamic Contrast-Enhanced Breast MRI G. O. Cron, G. E. Santyr, F. Kelcz
5-5 8:45 Quantitative Volume Flow Measurement Technique For Assessment Of Valvular Disease M. Drangova, A. Wheatley, D. Galea, D. R. Boughner
5-6 8:55 Real-Time MR Measurement Of Flow Using Volume-Localised Excitations C. K. Macgowan, C. A. Webster, M. L. Wood
5-7 9:05 Fourier Velocity Encoding To Measure Peak Velocity Using MRI D. Galea, L. Lauzon, B. K. Rutt, M. Drangova
5-8 9:15 MRI Diffusion Measurements Of Gd-DTPA In PVA Cryogel Phantoms M. J. Gordon, K. C. Chu, A. Margaritis, B. K. Rutt
5-9 9:25 Coronary Venous Oximetry Using MRI W. D. Foltz, N. Merchant, G. A. Wright
5-10 9:35 Creation Of A Non-Linearly Warpable 3-D Functional Atlas For Image-Guided Neurosurgery K. Finnis, P. St-Jean, R. Kasrai, D. Clonda, T. M. Peters
  9:45 COFFEE  
    Session 6. Ultrasound  Chair: F. Stuart Foster
6-1 10:20 A Novel Nonlinear Ultrasound Imaging Technique For Microbubble Contrast Agents D. H. Simpson, P. N. Burns
6-2 10:30 Ultrasound Biomicroscopy Of Normal And Osteoarthritic Articular Cartilage G. A. Joiner, K. Harasiewicz, K. P. H. Pritzker, E. Bogoch, F. S. Foster
6-3 10:40 An In-Vitro System For The Investigation Of Flow Within The Stenosed Carotid Artery Bifurcation T. L. Poepping, A. Fenster, R. N. Rankin, H. N. Nikolov, D. W. Holdsworth
6-4 10:50 Accuracy In Measurement Of Left Ventricular Cavity And Myocardial Volumes Using 3D Echocardiography S. K. Nadkarni, M. Drangova, D. Boughner, A. Fenster
6-5 11:00 Automatic Needle Segmentation For Ultrasound-Guided Biopsy And Therapy K. Draper, C. Blake, L. Gowman, D. Downey, A. Fenster
6-6 11:10 Semi-Automatic Segmentation Of 3D Ultrasound Images Of Ovarian Follicles Using An Inflating Balloon Model H. M. Ladak, A. Fenster, D. A. Steinman
    CAP Lecture Chair: Paul C. Johns
L-1 11:20 Laser-Based Studies of Negative Ions H. K. Haugen
  12:00 LUNCH / POSTER VIEWING / VISIT COMMERCIAL EXHIBITS  
  13:00 Close of Commercial Exhibits  
    Session 7. Cancer Therapy: Clinical Applications Chair: Jerry J. Battista
7-1 13:00 Enhanced Dynamic Wedge Factors M. D. C. Evans, T. Etmektzoglou
7-2 13:10 A Feasibility Study Of Compensators For Conventional And Intensity Modulated Beam Therapy H. Thompson, M. D. C. Evans, B. G. Fallone
7-3 13:20 The Effect Of Anatomical Uncertainties On Conformal Treatment Planning T. Craig, E. Wong, J. J. Battista, J. Van Dyk
7-4 13:30 MR Thermometry For Image-Guided Minimally-Invasive Therapy: Progress Towards Monitoring Thermocoagulation Therapy of Human Prostate In Vivo R. D. Peters, J. C. Chen, J. A. Moriarty, J. A. Derbyshire, G. A. Wright, D. B. Plewes, M. J. Bronskill, J. Trachtenberg, S. Bell, W. Kucharczyk, R. M. Henkelman
7-5 13:40 Ultrasound Guided Prostate Implants At T-SRCC W. Que
7-6 13:50 Fuzzy Logic In Portal Decision Making K. Leszczynski, D. Provost, S. Cosby, R. Bissett
7-7 14:00 Glaring Errors In Transit Dosimetry P. Munro, D. C. Bouius, J. Moseley, L. Martin, Y. Zhang, D. A. Jaffray
7-8 14:10 A Novel Phantom Material For Monitoring 3-D Heat Distributions In Thermal Therapy L.-S. Bouchard, M. J. Bronskill
7-9 14:20 Magnetic Resonance Calorimetry to Measure Tissue Ultrasound Absorption  Y. Wang, F. S. Foster, D. B. Plewes
  14:45 Depart for Research Tours: London Regional Cancer Centre, Lawson Research Institute, Robarts Research Institute  
  16:00 Forum On Prostate Brachytherapy (at London Regional Cancer Centre) Chair: William Que
    Introduction W. Que
    Ir and I Prostate Implants at Hamilton Regional Cancer Centre J. Szabo
    Prostate Implants at the Vancouver Clinic B. Clark
    Prostate Implants at London Regional Cancer Centre F. Chisela
    Optimization of Dose Distribution for Prostate Implants at L’Hôtel-Dieu de Québec J. Pouliot
    Physics Aspects of Ultrasound Guided Prostate Implants W. Que

Sunday June 21, 1998

  11:00 Golf Tournament Organizer: Ian A. Cunningham

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