2014

  • F. Germain, R. Rajapakshe, L. Bartha, V. van de Leest,  "Optimization of CT-scan Protocol and Images for Treatment Planning of Head & Neck Cases for radiation Therapy" CARO 2014 Annual Scientific Meeting, St. John’s, Newfoundland, August 25-28, 2014. 
  • B. Parker, R. Rajapakshe, A. Yip, T. Wight, N. Aldoff, J. Sam and C. Wilson, "Trends in Mammogram Image Quality, Dose & Screen-Detected Cancer Rates in an Organized Screening Mammography Program", Presented at the 12th International Workshop on Breast Imaging, Gifu City, Japan, June 29 - July 2, 2014. 
  • R. Rajapakshe, C. Araujo, C. Vandenberg, B. Parker, S. Smithbower, C. Baliski, S. Ellard, L. Kovacic, M. Reed, S. Tyldesley, G. Fyles and R. Mlikotic, "Development of a Micro-simulation Model for Breast Cancer to Evaluate the Impacts of Personalized Early Detection Strategies", Presented at the 12th International Workshop on Breast Imaging, Gifu City, Japan, June 29 - July 2, 2014.
  • S. Smithbower, R. Rajapakshe, J. Sam, N. Aldoff, T. Wight, "A Regional Web-Based Automated Quality Control Platform", 12th International Workshop on Breast Imaging, Gifu City, Japan, June 29 - July 2, 2014. Lecture Notes in Computer Science Volume 8539, pp 444-451, 2014.
  • R. Rajapakshe, B. Parker, A. Moldovan and C. Araujo, "Participation rates of a web-based follow-up platform to collect long term post-radiation therapy quality of life outcomes", Presented the 2014 BC eHealth and Innovative Technology Showcase, in Vancouver, British Columbia, May 9, 2014.
  • B. Parker, C. Araujo, C. Vandenberg and S. Smithbower, "The Development of a Visualization Platform for a Breast Cancer Treatment Microsimulation Model Using the British Columbian Cancer Treatment Data", Presented to the 2014 International Health Data Linkage Conference, in Vancouver, British Columbia. April 29th, 2014.
  • B. Parker, R. Rajapakshe, C. Araujo, C. Vandenberg and S. Smithbower, "The Development of a Visualization Platform for a Breast Cancer Treatment Microsimulation Model Using the British Columbian Cancer Treatment Data", Presented at the 2014 International Health Data Linkage Conference, Vancouver, BC, Canada. April 28-30, 2014.
  • B. Parker, A. Moldovan, R. Rajapakshe and C. Araujo, "A Web-Based Platform for Long-Term Monitoring of Post-Treatment Symptoms and Quality of Life for Prostate Cancer Patients", Presented at the 2014 Quality Forum, Vancouver, BC, Canada. April 28-30, 2014.

 

2013

  • D. Morton, R. Rajapakshe, and C. Araujo, "Characterization of Varian on-board imaging systems for use in automatic exposure control software", Proc. SPIE 8668, Medical Imaging 2013: Physics of Medical Imaging, 86685Z (March 6, 2013)

  • C. Vandenberg, C. Araujo, R. Rajapakshe, C. Baliski, S. Ellard, M. Reed, G. Fyles and S. Tyldesley, "Mapping of Breast Cancer Care Paths in British Columbia for a Breast Cancer Mirco-Simulation Model", Presented at the Canadian Centre for Applied Research in Cancer Control, Vancouver, BC, 2013

  • T. Hoegg, S. Esterby, P. Gill, C. Araujo and R. Rajapakshe. "Breast Cancer in British Columbia - Identification of high-risk women based on breast cancer risk modelling", Presented at the Statistical Society of Canada Annual Meeting, May 2013

  • C. Araujo, A. Moldovan, J. Crook, R. Rajapakshe, B. Parker, F. Bachand, D. Petrik and A. Wolowski, “Design and Testing of Web Based Follow-up for Prostate Cancer”, Presented at the Canadian Association of Radiation Oncology and Canadian Organization of Medical Physicists - Joint Scientific Meeting , September 2013

  • C. Araujo, C. Vandenberg, R. Rajapakshe, J. Yang, T. Wight, J. Sam, N. Aldoff and C. Wilson, “Estimating Diagnostic Reference Levels for Mean Glandular Dose within the Screening Mammography Program of British Columbia (SMPBC)”, Presented at the Canadian Association of Radiation Oncology and Canadian Organization of Medical Physicists - Joint Scientific Meeting , September, 2013

  • R. Rajapakshe, B. Parker, C. Araujo T. Wight, N. Aldoff, J. Sam and C. Wilson, "Correlation between cancer detection and image quality in an organized provincial screening mammography program", Presented at the 2013 Radiological Society of North America Scientific Assembly and Annual Meeting. To be presented on December 1-6, 2013 in Chicago, Illinois.

  • A. Moldovan, B. Parker, R. Rajapakshe, C. Araujo and J. Crook, "Design and Testing of Web Based Follow Up for Prostate Cancer", Presented at the Canadian Association Of Radiation Oncology 2013 Annual Scientific Meeting, Montreal Quebec, Canada. September 18-21 2013.

 

2012

  • R. Rajapakshe, B. Parker, C. Araujo, C. Chu, C. Wilson and J. Sam, "Outcomes of an organized breast cancer screening program over the past 15 years", Presented at the The Breast Cancer Symposium, San Francisco, CA, USA.September 13-15 2012. Published in conference proceedings: J Clin Oncol 30, 2012 (suppl 27; abstr 7).

  • D. Batchelar, J. Crook, C. Araujo, B. Parker, D. Bowes, D. Kim, M. Gaztanaga, M. Milette, R. Rajapakshe, D. Petrik and R. Halperin, "A randomized trial comparing seed loss and displacement of AnchorSeed® to standard uncoated loose seeds", Presented at the American Brachytherapy Society Annual Scientific Meeting, May, 2012. 

  • R. Rajapakshe, B. Parker, C. Araujo, S. Ruscheinsky, S. McAvoy, T. Hoegg, A. Coldman and C. Wilson, "Stratification of 5-year cancer detection rate in an organized breast screening program based on Gail model risk factors," Presented at the Breast Cancer Symposium, San Francisco, CA, USA. September 13-15 2012. Published in conference proceedings: J Clin Oncol 30, 2012 (suppl 27; abstr 14).

  • R. Rajapakshe, B. Parker, C. Araujo, S. Ruscheinsky, S. McAvoy, T. Hoegg, A. Coldman and C. Wilson, "Stratification of 5-year cancer detection rate in an organized breast screening program based on Gail model risk factors", Clin Oncol 30, 2012 (suppl 27; abstr 7).

  • R. Rajapakshe, B. Parker, C. Araujo, C. Chu, C. Wilson and J. Sam, "Outcomes of an organized breast cancer screening program over the past 15 years", J Clin Oncol 30, 2012 (suppl 27; abstr 14). 

  • R. Rajapakshe, C. Bitgood, S. McAvoy, C. Araujo, P. Gordon and A. Coldman, "Estimation of additional MRI resources needed in British Columbia for screening high-risk women for breast cancer", J Clin Oncol 30, 2012 (suppl 27; abstr 51).

  • B. Parker, J. Crook, D. Bowes, C. Araujo, D. Kim, M. Gaztanaga, M. Milette, R. Rajapakshe, D. Petrik and R. Halperin, “A Randomized Trial Comparing Seed Loss and Displacement of Anchorseeds® to Standard Uncoated Loose Seeds”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 67-D, P 49 

  • C. Vandenberg, R. Rajapakshe, J. Yang, C. Araujo, T. Wight, J. Sam, N. Aldoff and C. Wilson, “Estimating Diagnostic Reference Levels for Mean Glandular Dose Within the Screening Mammography Program of British Columbia (SMPBC)”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 55-C, P 56 

  • S. McAvoy, R. Rajapakshe, P. Lasserre, P. Gordon and S. Silver, “A Fully Automatic and Consistent Breast Density Computation Algorithm for Full Field Digital Mammography Images”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 33-C, P 94 

  • S. McAvoy, R. Rajapakshe, P. Lasserre, P. Gordon, S. Silver, C. Staples and S. Piche, “Breast Density and its Affect on Inter-Observer Mammographic Density Estimate Variance”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 33-D, P 94 

  • A.  Moldovan, J. Crook, R.  Rajapakshe, C.  Araujo, B. Parker, F.  Bachand, D.  Petrik and A. Wolowski, “Design and Testing of Web Based Follow-Up for Prostate Cancer”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 34-C, P 96 

  • D. Morton, R. Rajapakshe and C. Araujo, “Characterization of Varian On-Board Imaging Systems for Use in Automatic Exposure Control Software”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 35-A, P 97 

  • S. Smithbower, R.  Rajapakshe, J.  Sam, N. Aldoff, and J. Yang, “A Centralized Automated Quality Assurance Platform for Digital Mammography Units Within the Screening Mammography Program of BC”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 39-B, P 106 

  • S. Smithbower, R. Lawrence, R. Rajapakshe and C. Araujo, “Utilizing Consumer Graphics Hardware to Accelerate Monte Carlo Population Simulations”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 40-A, P 106 
  • S. Smithbower and R. Rajapakshe, "Development of Interactive Web-Based Telemetry for Real-Time Cancer Simulations”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 40-B, P 107

  • B. Parker, R. Rajapakshe, C. Araujo, S. McAvoy, T.  Hoegg, A. Coldman and C. Wilson, “Stratification of the 5-Year Cancer Detection in a Provincial Screening Mammography Program Based on Gail Model Risk Factors”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 67-A, P 143

  • B. Parker, R. Rajapakshe, C. Araujo, C. Chu, C. Wilson and J. Sam, “Outcomes of a Provincial Screening Mammography Program Over the Past 15 Years”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 67-B, P 143

  • C. Vandenberg, C. Bitgood, C. Weisstock, S. McAvoy, C.  Araujo and R. Rajapakshe, “Enhancement of the Breast Cancer Risk Information Collected at the Time of Receiving a Screening Mammography”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 55-A, P 149

  • C. Vandenberg, C. Araujo, R. Rajapakshe , C. Baliski, S. Ellard, M. Reed, G. Fyles and S. Tyldesley, “Mapping of Breast Cancer Care Paths in British Columbia for a Breast Cancer Micro-Simulation Model”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 55-B, P 150

  • C. Weisstock, R. Rajapakshe, C. Bitgood, B. Parker, S. McAvoy, C. Araujo, P. Gordon, and A. Coldman, “ Estimation of Additional MRI Resources Needed in British Columbia for Screening High-Risk Women for Breast Cancer”, BC Cancer Agency Annual Cancer Conference, Nov 29 - Dec 1, 2012 - Vancouver, BC. Abstract # 66-C, P 150

  • R. Rajapakshe, C. Weisstock, C. Bitgood, B. Parker, S. McAvoy, C. Araujo, P. Gordon, and A. Coldman, "Estimation of additional MRI resources needed in British Columbia for screening high-risk women for breast cancer," Breast Cancer Symposium, San Francisco, 2012 


2011

  • C. Araujo, D. Bowes, R. Rajapakshe and J. Crook, ‘Optimal MR Scan Sequence for 
  • Permanent Seed Prostate Brachytherapy Post-implant Assessment’, Canadian Association 
  • of Radiation Oncology Annual Scientific Meeting, Radiotherapy & Oncology, Vol. 100 
  • (Supplement 1), pg S18,(2011)
  •  (link

  • R. Rajapakshe, S. McAvoy, C. Bitgood and E. Ostroumov, "A Web-based Survey Software Framework for Rapid Survey Deployment and Results Analysis for Breast Cancer Risk Assessment" In Radiological Society of North America Scientific Assembly and annual meeting program. RSNA, Oakbrook Ill. LL-INS-TH9A (2011).

2010

  •  R. Rajapakshe and J. Sam, "Development of Unified Quality Control Procedures for Digital Mammography Systems" In Radiological Society of North America Scientific Assembly and annual meeting program. RSNA, Oakbrook Ill. SSJ23-01 (2010).

  • C. Bitgood, C. Weisstock, E. Ostroumov, S. McAvoy, P. Gordon, A. Coldman, C. Bajdik and R. Rajapakshe, "Estimation of breast cancer risk distribution in British Columbia - Preliminary Results.", BC Cancer Agency 2010 Annual Cancer Conference. Vancouver, BC. Nov. 25-27, 2A-pp9, 2010. 

  • E. Ostroumov, S. McAvoy, C. Weisstock, C. Bitgood and R. Rajapakshe, "Participation rates of women in the breast cancer risk estimation study.", BC Cancer Agency 2010 Annual Cancer Conference. Vancouver, BC. Nov. 25-27, 11D-pp27, (2010). 

  • R. Rajapakshe, L. Watts, A. Bergman, S. MacMahon, M. Schmuland and J. Yang, "Changes in image quality and radiation dose in the Screening Mammography Program of British Columbia", BC Cancer Agency 2010 Annual Cancer Conference. Vancouver, BC. Nov. 25-27, 18D-pp42, (2010). 

  • R. Rajapakshe and J. Yang, "Radiation dose used in Screening Mammography Program of British Columbia”, BC Cancer Agency 2010 Annual Cancer Conference. Vancouver, BC. Nov. 25-27, 18C-pp42, (2010). 

  • S. McAvoy, E. Ostroumov, C. Bitgood, C. Weisstock and R. Rajapakshe, "A web-based survey software framework for rapid survey deployment and results analysis for breast cancer risk assessment", BC Cancer Agency 2010 Annual Cancer Conference. Vancouver, BC. Nov. 25-27, 26A-pp59, (2010). 

  • R.  Rajapakshe, S. Smithbower, J. Sam and J. Yang, "Development of unified quality control process for digital mammography systems", BC Cancer Agency 2010 Annual Cancer Conference. Vancouver, BC. Nov. 25-27, 30B-pp66, (2010). 

  • B. Uyaniker, S. McAvoy, P. Gordon, S. Silver and R. Rajapakshe, "Imaging biomarker for breast cancer risk: estimating breast density from digital mammograms", BC Cancer Agency 2010 Annual Cancer Conference. Vancouver, BC. Nov. 25-27, 42A-pp82, (2010).

2009

  • R. Rajapakshe, "Estimation of Patient Dose in a Provincial Screening Mammography Program" Med Phys Med. Phys. 36, pp. 4321 (2009). 

  • B. Uyaniker, R. Rajapakshe, P. Gordon, S. Silver, "A fully automatic method for estimating breast density in digital mammograms", Med. Phys. 36, pp. 4321 (2009). 

  • R. Rajapakshe, Effectiveness RMI-156 Mammography Accreditation Phantom in Evaluating Digital Mammography Systems", Med. Phys. 36, pp. 4305 (2009).

  • B. Uyaniker, R. Rajapakshe, P. Gordon, S. Silver, "Quest for a "gold standard" for breast density evaluation", Med. Phys. 36, pp. 4305 (2009). 

  • B. Uyaniker, R. Rajapakshe, P. Baxter, "An x-ray attenuation approach to breast density for full field digital mammography", Med. Phys. 36, pp. 4305-4306 (2009). 

  • R. Rajapakshe, “Distribution of Compressed Breast Thickness within the Screening Mammography Program of British Columbia (SMPBC)”, In Radiological Society of North America Scientific Assembly and annual meeting program. RSNA, Oakbrook Ill. SSC15-09 pp 380 (2009). 

  • R. Rajapakshe, “Estimation of Patient Dose from Mammography within the Screening Mammography Program of British Columbia (SMPBC)”, In Radiological Society of North America Scientific Assembly and annual meeting program. RSNA, Oakbrook Ill. SSE22-02 pp 422 (2009). 

  • R. Rajapakshe, B. Uyaniker P. Gordon and S. Silver “A Fully Automatic Method for Estimating Breast Density in Digital Mammograms”, In Radiological Society of North America Scientific Assembly and annual meeting program. RSNA, Oakbrook Ill. SSM01-03 pp 574 (2009). 


2007 and earlier

  • R. Rajapakshe, L. Watts, A. Bergman, S. MacMahon and M. Schmuland, “ Changes in image quality parameters within the Screening mammography Program of British Columbia (SMPBC)”, Radiotherapy & Oncology 84 Supplement 2 pp S32 (2007). 

  • R. Rajapakshe, “Retrospective Analysis of Quality Control Data from the Screening mammography Program of British Columbia (SMPBC)”, In Radiological Society of North America Scientific Assembly and annual meeting program. RSNA, Oakbrook Ill. SSK14-07 pp 500 (2007). 

  • K Finigan, R. Rajapakshe, R Halperin “Evaluation of the Impact of a Systemic Imaging Protocol on Remaining Unimaged Days During Fractionated External Beam Radiotherapy for Prostate Cancer”, CARO Victoria, BC (2005).

  • L. Rowe, I. Mohamed, R. Rajapakshe, G. Murray, K. Hutchison “A portal image approval process using custom, non-proprietary software application”, 8th International Workshop on Portal Imaging pp 108-109, Brighton, UK (2004). 

  • L. Rowe, G. Murray, R. Rajapakshe, I. Mohamed, K. Hutchison “A Portal Image Approval Process Using Custom, Non-Proprietary Software Application”, Radiother Oncol 72(Suppl 1):S60-1 (2004). 

  • G. Murray, R. Haplerin, K Finigan, B. Fiske, D. Nordstrom, D. Kim, M Reed, J. Wilson, R. Rajapakshe, J. Pocha, L. Rowe, “Portal Image Review: Interobserver and Intraobserver Variability Within And Between Professional Groups”, Radiother Oncol 72(Suppl 1):S61(2004).

  • S. Shalev, K. Luchka and R. Rajapakshe, “Quality Assurance of EPI systems”, 7th International Workshop on Electronic Portal Imaging, pp. 8-11, Vancouver, BC, Canada (2002). 

  • R. Rajapakshe, S. Shalev and K. Luchka, “Quality Assurance of EPI systems”, 6th International Workshop on Electronic Portal Imaging, Abstract # 24, Brussels, Belgium, (2000). 

  • R. Rajapakshe, “Quality Control Procedures for EPI systems: A National Standard”, 6th International Workshop on Electronic Portal Imaging, Abstract # 27, Brussels, Belgium, (2000). 

  • L. Aubin, A. Conrad, C. Thompson, K. Hutchison and R. Rajapakshe, “Clinical implementation of a process for Electronic Portal Imaging”, 6th International Workshop on Electronic Portal Imaging, Abstract # 45, Brussels, Belgium, (2000). 

  • H. Lau, L. Aubin, A. Conrad, C. Thompson, K. Hutchison and R. Rajapakshe, “Prospective analysis of patient motion in prostate conformal radiotherapy”, 6th International Workshop on Electronic Portal Imaging, Abstract # 71, Brussels, Belgium, (2000). 

  • J. Wolters, R. Rajapakshe, G. Hovde and J. Moffat, “Incorporating EPI into comprehensive radiation therapy QA program”, 7th International Workshop on Electronic Portal Imaging, pp. 168-169, Vancouver, BC. Canada (2002).

  • A. Baillie, R. Rajapakshe and A. Jirasek, “Variation of dose with SSD on an orthovoltage unit”, Med. Phys. 25 pp. 1575 (1998). 

  • R. Rajapakshe and C. Araujo, “Extension of CadPlan algorithm to model the dose distribution under a motorized wedge”, Med. Phys. 25 pp. 1584 (1998). 

  • R. Rajapakshe, “Calibration of electronic portal imaging devices for exit dosimetry”, 5th International Workshop on Electronic Portal Imaging, pp. 140-141, Phoenix, Arizona, (1998). 

  • L. Aubin, A Baillie and R. Rajapakshe, “Clinical implementation of electronic portal imaging in a new cancer centre”, 5th International Workshop on Electronic Portal Imaging, pp. 38, Phoenix, Arizona, (1998). 

  • S. Shalev, K. Luchka and R. Rajapakshe, “QA for electronic portal imaging: Why, How and When”, 5th International Workshop on Electronic Portal Imaging, pp. 11-12, Phoenix, Arizona, (1998).