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Sam Beddar, Ph.D., DABR, CRE, FCCPM, FAAPM

Present Title & Affiliation

Primary Appointment

Professor, Tenured Clinical Faculty Appointment, Department of Radiation Physics, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
Chief of Clinical Research, Department of Radiation Physics, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
Service Chief, Gastrointestinal Service, Department of Radiation Physics - Patient Care, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX

Dual/Joint/Adjunct Appointment

Professeur Adjoint, Département de Physique, Génie Physique et Optique, Université Laval, Québec City, Québec, Canada
Faculty Member, Graduate School of Biomedical Sciences, University of Texas, Houston, TX
Adjunct Professor, Department of Medical Physics, University of Wisconsin School of Medicine & Public Health, Madison, WI

Office Address

The University of Texas MD Anderson Cancer Center
1515 Holcombe Blvd.
Unit Number: 94
Houston, TX 77030
Room Number: Y2.5330
Phone: (713) 563-2609
Fax: (713) 563-2479
Email: abeddar@mdanderson.org

Education & Training

Degree-Granting Education

1990 University of Wisconsin, Madison, WI, Ph.D., Medical Physics
1984 University of Wisconsin, Madison, WI, MS, Medical Physics
1981 University of Constantine, Constantine, Algeria, MS, Theoretical Physics
1980 University of Constantine, Constantine, Algeria, BS, Physics

Board Certifications

2012 Canadian College of Physicists in Medicine
1994 American Board of Radiology

Experience/Service

Academic Appointments

Professor, Non-Tenure Clinical Track Appointment, Department of Radiation Physics - Patient Care, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 9/2008-8/2011
Associate Professor of Radiation Oncology, Department of Radiation Physics - Patient Care, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 5/2002-6/2008
Visiting Professor, Department of Radiation Oncology, Royal Prince Alfred Hospital, Sydney, Australia, 3/2002-5/2002
Assistant Professor, Secondary Appointment, Physics Department, Case Western Reserve University, Cleveland, OH, 8/1999-3/2002
Assistant Professor, Department of Radiation Oncology, University Hospitals of Cleveland, School of Medicine, Case Western Reserve University, Cleveland, OH, 10/1998-3/2002
Assistant Professor, Department of Radiation Oncology, Albany Medical College, Albany, NY, 12/1996-10/1998
Assistant Professor, Department of Radiation Oncology, University of Rochester Medical Center, Rochester, NY, 8/1993-12/1996
Staff Medical Physicist, Department of Clinical Physics, The Ontario Cancer Institute, The Princess Margaret Hospital, Toronto, Canada, 12/1990-8/1993

Institutional Committee Activities

Co-Leader, The Center for Radiation Oncology Research Technology Working Group, 1/2013-present
Member, Research Funding Review Panel, Division of Radiation Oncology, 2012-present
Member, Scientific Publications Advisory Board, 2012-present
Senator (elected), Faculty Senate Promotion & Tenure Issues Committee, 9/2010-present
Chair, Odyssey Program Advisory Committee, 9/2010-9/2011
Co-Chair, Odyssey Program Advisory Committee, 12/2009-8/2010
Senator (elected), Faculty Senate, 9/2009-8/2012
Member, Knudson Award Committee, 2009-2012
Member, Physicist-Scientist Oversight Committee - Department of Radiation Physics - Research, 9/2008-present
Member, Odyssey Program Advisory Committee, 2008-2009
Member, Research Funding Review Panel - Department of Radiation Physics - Research, 9/2007-2011
Member, Research Mentorship Committe, 2007-2011
Member, Continuous Medical Education Advisory Committee (CME), 2006-present
Member, Practitioner Peer Assistance Committee (PPAC), 2005-present

Honors and Awards

2013 Med Phys EDITOR's CHOICE. The Editor's pick of the best articles recently published in the Journal of Medical Physics: "Vision 20/20 Article: In vivo dosimetry brachytherapy", Tanderup K, Beddar S, Andersen CE, Kertzscher G and Joanna E Cygler J, Med Phys 40(7):070902 (15 pages), 7/2013
2013 Med Phys EDITOR's CHOICE. The Editor's pick of the best articles recently published in the Journal of Medical Physics: "Vision 20/20 Article: In vivo dosimetry in external beam radiotherapy". Mijnheer B, Beddar S, Izewska J and Reft Chester, Med Phys 40(7):070903 (19 pages), 7/2013
2013 PMB EDITOR's CHOICE. The Editor's pick of the best articles recently published in the Journal Physics in Medicine & Bilogy: "On the nature of the light produced within PMMA optical light guides in scintillation fiber-optic dosimetry", François Therriault-Proulx, Luc Beaulieu, Louis Archambault and Sam Beddar, Phys Med Biol 58 2073-2084, 3/2013
2013 PMB EDITOR's CHOICE. The Editor's pick of the best articles recently published in the Journal Physics in Medicine & Bilogy: "Measurement of characteristic prompt gamma rays emitted from oxygen and carbon in tissue-equivalent samples during proton beam irradiation", Polf JC, Panthi R, Mackin DS, McCleskey M, Saastamoinen A, Roeder BT, Beddar S, Phys Med Biol 58(17):5821-5831, 9/7/2013
2012 Best in Physics (Therapy) Award. Award for the 5 presentations that scored highest in the abstract review process and judged by the Scientific Program Directors to reflect the highest level of scientific quality and innovation, "A Novel multi-point plastic scintillation detector for in vivo dosimetry and quality assurance in radiation therapy", Therriault-Proulx F, Beaulieu L, Archambault L, Beddar S, The American Association of Physicist in Medicine (AAPM Annual Meeting)
2012 The John R. Cunningham Young Investigators' Competition Symposium, Award for Best Young Investigator Abstract and Presentation. Won the 1st Place Award. "A new optically encoded single-fiber plastic scintillation detector for multi-point radiation dosimetry", Therriault-Proulx F, Beddar S, Archambault L, Beaulieu L, (COMP/CCPM Annual Meeting), 2012, The Canadian Organization of Medical Physicists (COMP) and The Canadian College of Physicists in Medicine (CCPM)
2011 Award for Best Young Investigator Abstract and Presentation. Won the 2nd place award, "A phantom study demonstrating the efficiency of plastic scintillation detectors for real-time in vivo verification of Ir-192 HDR brachtherapy treatments", Therriault-Proulx F, Beaulieu L, Beddar S, SWAAPM Spring Meeting 2011, The Southwest Chapter of the American Association of Physicists in Medicine (SWAAPM)
2010 Chairman's Award for Meritorius Services -- Award for outstanding contributions and service to the Department, the Division and the Institution., Department of Radiation Physics, The University of Texas MD Anderson Cancer Center
2010 Recipient of the 2010 Annual Meeting Basic Science Abstract Award for the abstract titled "Fast and Accurate Verification of Proton Range, Position and Intensity in IMPT with a 3 D Detector System." Archambault L, Poenisch F, Sahoo N, Lee A, Griffin MT, Mohan R, Beddar AS, The American Society of Radiation Oncology (ASTRO)
2010 The John R. Cunningham Young Investigators' Competition Symposium, Award for Best Young Investigator Abstract and Presentation. Won the 2nd Place Award. "A two dimensional plastic scintillation detector array for quality assurance of intensity modulated radiation therapy". Guillot M*, Gingras L, Archambault L, Beddar S, Beaulieu L. COMP/CCPM Annual Meeting, 2010, The Canadian Organization of Medical Physicists and The Canadian College of Physicists in Medicine
2009 Award of Excellence for the Best Radiation Measurement Article, The American College of Medical Physics
2009 Faculty Leadership Academy, The University of Texas M.D. Anderson Cancer Center
2009 Leadership Award for Special Contributions in Research, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center
2008-present Fellow of the American Association of Physicists in Medicine, AAPM
2007 Jack Fowler Junior Investigator Competition Winner, Award for Best Junior Investigator Abstract, "Clinical prototype of a plastic water-equivalent scintillating fiber dosimeter matrix for IMRT QA applications", Lacroix F, Archambault L, Gingras L, Beddar AS, and Beaulieu L. Med Phys 34:2610, 2007, American Association of Physicists in Medicine
2006-2009 Odyssey Program and Houston Endowment, Inc. Award for Scientific Achievement, "Plastic scintillator dosimeter array for IMRT and IMPT", (Odyssey Fellow: Louis Archambault), The University of Texas MD Anderson Cancer Center
2003 Citation, "One of the Journals most frequently downloaded articles in 2003" (Beddar AS, Law S, Suchowerska N, and Mackie TR. Plastic scintillation dosimetry: optimization of light collection efficiency. Phys. Med. Biol. 48(9):1141-1152, 2003.) -- 446 downloads --, Physics in Medicine and Biology
1992-present Fellow of Canadian College of Physicists in Medicine, CCPM
1990 AAPM Summer School Scholarship, American Association of Physicists in Medicine
1984-1986 Post-Graduate Scholarship, Le Ministere de l'Enseignement Superieur et de la Recherché Scientifique (M.E.S.R.S.)
1981-1984 Graduate Scholarship, Le Ministere de l'Enseignement Superieur et de la Recherché Scientifique
1981 Valedictorian, Institut des Sciences Exactes, Université de Constantine, Algeria, Diploma of Higher Studies

Professional Memberships

American Association of Physicists in Medicine (AAPM)
Member, 1991-present
American College of Medical Physics (ACMP)
Full Member, 1998-present
American Society for Therapeutic Radiology and Oncology (ASTRO)
Associate Member, 2006-present
Canadian College of Physicists in Medicine (CCPM)
Full Member, 1990-present
Canadian Organization of Medical Physicists (COMP)
Full Member, 1990-present
European Society for Therapeutic Radiology and Oncology (ESTRO)
Full Member, 1995-present
International Society of IntraOperative Radiation Therapy (ISIORT)
Member, Quality Assurance Program for Clinical Trials, 2000-present

Selected Publications

Peer-Reviewed Original Research Articles

1. Hyngstrom JR, Tzeng CW, Beddar S, Das P, Krishnan S, Delclos ME, Crane CH, Chang GJ, You YN, Feig BW, Skibber JM, Rodriguez-Bigas MA. Intraoperative radiation therapy for locally advanced primary and recurrent colorectal cancer: Ten-year institutional experience. J Surg Oncol. e-Pub 2/2014. PMID: 24510523.
2. Wootton L, Kudchadker R, Lee A, Beddar S. Real-time in vivo rectal wall dosimetry using plastic scintillation detectors for patients with prostate cancer. Phys Med Biol 59(3):647-60, 2/2014. e-Pub 1/2014. PMID: 24434775.
3. Robertson D, Hui C, Archambault L, Mohan R, Beddar S. Optical artefact characterization and correction in volumetric scintillation dosimetry. Phys Med Biol 59(1):23-42, 1/6/2014. e-Pub 12/10/2013. PMID: 24321820.
4. Polf JC, Panthi R, Mackin DS, McCleskey M, Saastamoinen A, Roeder BT, Beddar S. Measurement of characteristic prompt gamma rays emitted from oxygen and carbon in tissue-equivalent samples during proton beam irradiation. Phys Med Biol 58(17):5821-5831, 9/7/2013. e-Pub 8/6/2013. PMID: 23920051.
5. Guillot M, Gingras L, Archambault L, Beddar S, Beaulieu L. Performance assessment of a 2D array of plastic scintillation detectors for IMRT quality assurance. Phys Med Biol 58(13):4439-54, 7/7/2013. e-Pub 6/12/2013. PMID: 23756497.
6. Tanderup K, Beddar S, Andersen CE, Kertzscher G, Cygler JE. Vision 20/20 Article: In Vivo Dosimetry in Brachytherapy. Med Phys 40(7):070902 (15 pages), 7/2013. PMID: 23822403.
7. Mijnheer B, Beddar S, Izewska J, Reft C. Vision 20/20 Article: In vivo dosimetry in external beam radiotherapy. Med Phys 40(7):070903 (19 pages), 7/2013. PMID: 23822404.
8. Therriault-Proulx F, Beddar S, Beaulieu L. On the use of a single-fiber multipoint plastic scintillation detector for (192)Ir high-dose-rate brachytherapy. Med Phys 40(6):062101, 6/2013. PMCID: PMC3663866.
9. Wootton L, Beddar S. Temperature dependence of BCF plastic scintillation detectors. Phys Med Biol 58(9):2955-2967, 5/7/2013. e-Pub 4/11/2013. PMID: 23574889.
10. Therriault-Proulx F, Beaulieu L, Archambault L, Beddar S. On the nature of the light produced within PMMA optical light guides in scintillation fiber-optic dosimetry. Phys Med Biol 58(7):2073-2084, 4/7/2013. e-Pub 3/8/2013. PMCID: PMC3777626.
11. Kelly P, Das P, Pinnix CC, Beddar S, Briere T, Pham M, Krishnan S, Delclos ME, Crane CH. Duodenal Toxicity after fractionated chemoradiation for unresectable pancreatic cancer. Int J Radiat Oncol Biol Phys 85(3):e143-9, 3/1/2013. e-Pub 11/29/2012. PMID: 23200173.
12. Mitchell MP, Abboud M, Eng C, Beddar AS, Krishnan S, Delclos ME, Crane CH, Das P. Intensity-modulated radiation therapy with concurrent chemotherapy for anal cancer: Outcomes and toxicity. Am J Clin Oncol. e-Pub 3/4/2013. PMID: 23466576.
13. Robertson D, Mirkovic D, Sahoo N, Beddar S. Quenching correction for volumetric scintillation dosimetry of proton beams. Phys Med Biol 58(2):261-273, 1/21/2013. e-Pub 12/21/2012. PMID: 23257200.
14. Morin J, Beliveau-Nadeau D, Chung E, Seuntjens J, Theriault D, Archambault L, Beddar S, Beaulieu L. A comparative study of small field total scatter factors and dose profiles using plastic scintillation detectors and other stereotactic dosimeters: the case of the Cyberknife. Med Phys 40(1):011719, (11 pages), 1/2013. PMID: 23298089.
15. Mackin D, Polf J, Peterson S, Beddar S. The effects of Doppler broadening and detector resolution on the performance of three-stage Compton cameras. Med Phys 40(1):012402, (12 pages), 1/2013. PMCID: PMC3537711.
16. Beaulieu L, Goulet M, Archambault L and Beddar S. Current status of Scintillation Dosimetry for megavoltage beams. J. Phys. Conf. Ser. 444 (012013), 2013.
17. Wang LL, Perles LA, Archambault L, Sahoo N, Mirkovic D, Beddar S. Determination of the quenching correction factors for plastic scintillation detectors in therapeutic high-energy proton beams. Phys Med Biol 57(23):7767-7781, 12/2012. e-Pub 11/2012. PMCID: PMC3849705.
18. Das P, Abboud MT, Haque W, Javle M, Kaseb A, Curley SA, Vauthey JN, Aloia TA, Beddar S, Delclos ME, Krishnan S, Crane CH. Gastric bleeding after radiation therapy for intrahepatic cholangiocarcinoma. Practical Radiation Oncology, 12/2012.
19. Archambault L, Therriault-Proulx F, Beddar S, Beaulieu L. A mathematical formalism for hyperspectral, multipoint plastic scintillation detectors. Phys Med Biol 57(21):7133-7145, 11/7/2012. e-Pub 10/12/2012. PMID: 23060036.
20. Therriault-Proulx F, Archambault L, Beaulieu L, Beddar S. Development of a novel multi-point plastic scintillation detector with a single optical transmission line for radiation dose measurement. Phys Med Biol 57(21):7147-7159, 11/2012. e-Pub 10/2012. PMCID: PMC3849702.
21. Klein D, Briere TM, Kudchadker R, Archambault L, Beaulieu L, Lee A, Beddar S. In-phantom dose verification of prostate IMRT and VMAT deliveries using plastic scintillation detectors. Radiat Meas 47(10):921-929, 10/1/2012. e-Pub 8/24/2012. PMCID: PMC3501761.
22. Beddar S. On possible temperature dependence of plastic scintillator response. Med Phys 39(10):6522, 10/2012. PMID: 23039686.
23. Lessard F, Archambault L, Plamondon M, Despres P, Therriault-Proulx F, Beddar S, Beaulieu L. Validating plastic scintillation detectors for photon dosimetry in the radiologic energy range. Med Phys 39(9):5308-5316, 9/2012. PMID: 22957599.
24. Briere TM, Crane CH, Beddar S, Bhosale P, Mok H, Delclos ME, Krishnan S, Das P. Reproducibility and genital sparing with a vaginal dilator used for female anal cancer patients. Radiother Oncol 104(2):161-166, 8/2012. e-Pub 7/26/2012. PMID: 22841019.
25. Archambault L, Beaulieu L, Beddar SA. Comment on 'Plastic scintillation dosimetry: comparison of three solutions for the Cerenkov challenge'. Phys Med Biol 57(11):3661-3665; discussion 3667-73, 6/7/2012. PMID: 22596092.
26. Mackin D, Peterson S, Beddar S, Polf J. Evaluation of a stochastic reconstruction algorithm for use in Compton camera imaging and beam range verification from secondary gamma emission during proton therapy. Phys Med Biol 57(11):3537-3553, 6/7/2012. e-Pub 5/16/2012. PMCID: PMC3392092.
27. Chakravarty T, Crane CH, Ajani JA, Mansfield PF, Briere TM, Beddar AS, Mok H, Reed VK, Krishnan S, Delclos ME, Das P. Intensity modulated radiation therapy with concurrent chemotherapy as preoperative treatment for localized gastric adenocarcinoma. Int J Radiat Oncol Biol Phys 83(2):581-586, 6/1/2012. e-Pub 12/2/2011. PMID: 22137021.
28. Archambault L, Poenisch F, Sahoo N, Robertson D, Lee A, Gillin MT, Mohan R, Beddar S. Verification of proton range, position, and intensity in IMPT with a 3D liquid scintillator detector system. Med Phys 39(3):1239-1246, 3/2012. PMCID: PMC3292596.
29. Gagnon JC, Thériault D, Guillot M, Archambault L, Beddar S, Gingras L, Beaulieu L. Dosimetric performance and array assessment of plastic scintillation detectors for stereotactic radiosurgery quality assurance. Med Phys 39(1):429-436, 1/2012. PMID: 22225313.
30. Wootton LS, Kudchadker RJ, Beddar AS, Lee AK. Effectiveness of a novel gas-release endorectal balloon in the removal of rectal gas for prostate proton radiation therapy. J Appl Clin Med Phys 13(5):190-197, 2012. e-Pub 9/6/2012. PMID: 22955660.
31. Wootton LS, Polf JC, Peterson S, Wilkinson J, Rozner MA, Balter PA, Beddar S. Proton dose perturbations caused by high-voltage leads from implanted cardioverter defibrillators. J Appl Clin Med Phys 13(4):13-22, 2012. e-Pub 5/10/2012. PMID: 22766952.
32. Guillot M, Beaulieu L, Archambault L, Beddar S, Gingras L. A new water-equivalent 2D plastic scintillation detectors array for the dosimetry of megavoltage energy photon beams in radiation therapy. Med Phys 38(12):6763-74, 12/2011. PMID: 22149858.
33. Robertson D, Polf JC, Peterson SW, Gillin MT, Beddar S. Material efficiency studies for a Compton camera designed to measure characteristic prompt gamma rays emitted during proton beam radiotherapy. Phys Med Biol 56(10):3047-3059, 5/21/2011. e-Pub 4/20/2011. PMCID: PMC3087185.
34. Therriault-Proulx F, Briere TM, Mourtada F, Aubin S, Beddar S, Beaulieu L. A phantom study of an in vivo dosimetry system using plastic scintillation detectors for real-time verification of 192Ir HDR brachytherapy. Med Phys 38(5):2542-51, 5/2011. PMCID: PMC3104721.
35. Tremblay NM, Hubert-Tremblay V, Bujold R, Beddar AS, Beaulieu L, Lepage M. Accurate calibration of a polymer gel dosimeter with a plastic scintillation detector. Med Phys 38(5):2754-2761, 5/2011. PMID: 21776812.
36. Therriault-Proulx F, Beddar S, Briere TM, Archambault L, Beaulieu L. Removing the stem effect when performing Ir-192 HDR brachytherapy in vivo dosimetry using plastic scintillation detectors: a relevant and necessary step. Med Phys 38(4):2176-9, 4/2011. PMCID: PMC3188655.
37. Guillot M, Gingras L, Archambault L, Beddar S, Beaulieu L. Spectral method for the correction of the Cerenkov light effect in plastic scintillation detectors: a comparison study of calibration procedures and validation in Cerenkov light-dominated situations. Med Phys 38(4):2140-50, 4/2011. PMCID: PMC3078161.
38. Klein DM, Therriault-Proulx F, Archambault L, Briere TM, Beaulieu L, Beddar AS. Determining regions of interest for CCD camera-based fiber optic luminescence dosimetry by examining signal-to-noise ratio. Med Phys 38(3):1374-7, 3/2011. PMCID: PMC3055908.
39. Wang LL, Beddar S. Study of the response of plastic scintillation detectors in small-field 6 MV photon beams by Monte Carlo simulations. Med Phys 38(4):1596-1599, 3/2011. PMCID: PMC3064682.
40. Mok H, Crane CH, Palmer MB, Briere TM, Beddar S, Delclos ME, Krishnan S, Das P. Intensity modulated radiation therapy (IMRT): differences in target volumes and improvement in clinically relevant doses to small bowel in rectal carcinoma. Radiat Oncol 6(63):2-9, 2011. e-Pub 6/8/2011. PMCID: PMC3121606.
41. Polf JC, Peterson S, Robertson D, Beddar S. Measuring prompt gamma ray emission during proton radiotherapy for assessment of treatment delivery and patient response. AIP Conf Proc 1336:364-368, 2011.
42. Klein DM, Tailor RC, Archambault L, Wang L, Therriault-Proulx F, Beddar AS. Measuring output factors of small fields formed by collimator jaws and multileaf collimators using plastic scintillation detectors. Med Phys 37(10):5541-5549, 10/2010. PMCID: PMC2962666.
43. Wang LL, Klein D, Beddar AS. Monte Carlo study of the energy and angular dependence of the response of plastic scintillation detectors in photon beams. Med Phys 37(10):5279-86, 10/2010. PMCID: PMC2951997.
44. Archambault L, Briere TM, Pönisch F, Beaulieu L, Kuban DA, Lee A, Beddar S. Toward a real-time in vivo dosimetry system using plastic scintillation detectors. Int J Radiat Oncol Biol Phys 78(1):280-287, 9/1/2010. e-Pub 3/16/2010. PMCID: PMC2889037.
45. Lacroix F, Guillot M, McEwen M, Cojocaru C, Gingras L, Beddar AS, Beaulieu L. Extraction of depth-dependent perturbation factors for parallel-plate chambers in elecron beams using plastic scintillation detector. Med Phys 37(8):4331-4342, 8/2010. PMCID: PMC2927689.
46. Lacroix F, Beaulieu L, Archambault L, Beddar AS. Simulation of the precision limits of plastic scintillation detectors using optimal component selection. Med Phys 37(2):412-418, 2/2010. PMCID: PMC2814832.
47. Beddar S. A liquid scintillator system for dosimetry of photon and proton beams. J. Phys. Conf. Ser. 250 (012038):1-3, 2010.
48. Guillot M, Gingras L, Archambault L, Beddar S, Beaulieu L. Toward 3D dosimetry of intensity modulated radiation therapy treatments with plastic scintillation detectors. J. Phys. Conf. Ser. 250 (012006):1-5, 2010.
49. Hodges JC, Das P, Eng C, Reish AG, Beddar AS, Delclos ME, Krishnan S, Crane CH. Intensity-modulated radiation therapy for the treatment of squamous cell anal cancer with para-aortic nodal involvement. Int J Radiat Oncol Biol Phys 75(3):791-794, 11/1/2009. e-Pub 2/21/2009. PMID: 19231109.
50. Polf JC, Peterson S, McCleskey M, Roeder BT, Spiridon A, Beddar S, Trache L. Measurement and calculation of characteristic prompt gamma ray spectra emitted during proton irradiation. Phys Med Biol 54(22):N519-N527, 11/21/2009. e-Pub 10/28/2009. PMID: 19864704.
51. Lacroix F, Beddar AS, Guillot M, Beaulieu L, Gingras L. A design methodology using signal-to-noise ratio for plastic scintillation detectors design and performance optimization. Med Phys 36(11):5214-5220, 11/2009. PMCID: PMC2774352.
52. Bouchard M, Amos RA, Briere TM, Beddar S, Crane CH. Dose escalation with proton or photon radiation treatment for pancreatic cancer. Radiother Oncol 92(2):238-243, 8/2009. e-Pub 5/18/2009. PMID: 19454367.
53. Briere TM, Beddar S, Balter P, Murthy R, Gupta S, Nelson C, Starkschall G, Gillin MT, Krishnan S. Respiratory gating with EPID-based verification: The University of Texas MD Anderson Cancer Center experience. Phys Med Biol 54(11):3379-91, 6/7/2009. e-Pub 5/13/2009. PMID: 19436104.
54. Peterson SW, Polf J, Bues M, Ciangaru G, Archambault L, Beddar S, Smith A. Experimental validation of a Monte Carlo proton therapy nozzle model incorporating magnetically steered protons. Phys Med Biol 54(10):3217-29, 5/21/2009. e-Pub 5/6/2009. PMID: 19420426.
55. Beddar S, Archambault L, Sahoo N, Poenisch F, Chen GT, Gillin MT, Mohan R. Exploration of the potential of liquid scintillators for real-time 3D dosimetry of intensity modulated proton beams. Med Phys 36(5):1736-1743, 5/2009. PMCID: PMC2832031.
56. Pönisch F, Archambault L, Briere TM, Sahoo N, Mohan R, Beddar S, Gillin MT. Liquid scintillator for 2D dosimetry for high-energy photon beams. Med Phys 36(5):1478-1485, 5/2009. PMCID: PMC2736702.
57. Polf JC, Peterson S, Ciangaru G, Gillin M, Beddar S. Prompt gamma-ray emission from biological tissues during proton irradiation: A preliminary study. Phys Med Biol 54(3):731-743, 2/7/2009. e-Pub 1/9/2009. PMID: 19131673.
58. Archambault L, Briere TM, Beddar S. Transient noise characterization and filtration in CCD cameras exposed to stray radiation from a medical linear accelerator. Med Phys 35(10):4342-4351, 10/2008. PMCID: PMC2736755.
59. Wang H, Krishnan S, Wang X, Beddar AS, Briere TM, Crane CH, Mohan R, Dong L. Improving soft-tissue contrast in four-dimensional computed tomography images of liver cancer patients using a deformable image registration method. Int J Radiat Oncol Biol Phys 72(1):201-9, 9/1/2008. PMID: 18722271.
60. Lacroix F, Archambault L, Gingras L, Guillot M, Beddar AS, Beaulieu L. Clinical prototype of a plastic water-equivalent scintillating fiber dosimeter array for QA applications. Med Phys 35(8):3682-3690, 8/2008. PMID: 18777928.
61. Beddar AS, Briere TM, Balter P, Pan T, Tolani N, Ng C, Szklaruk J, Krishnan S. 4D-CT imaging with synchronized intravenous contrast injection to improve delineation of liver tumors for treatment planning. Radiother Oncol 87(3):445-448, 6/2008. e-Pub 1/14/2008. PMID: 18194819.
62. Archambault L, Polf JC, Beaulieu L, Beddar S. Characterizing the response of miniature scintillation detectors when irradiated with proton beams. Phys Med Biol 53(7):1865-1876, 4/7/2008. e-Pub 3/10/2008. PMID: 18364543.
63. Krishnan S, Dawson LA, Seong J, Akine Y, Beddar S, Briere TM, Crane CH, Mornex F. Radiotherapy for hepatocellular carcinoma: An overview. Ann Surg Oncol 15(4):1015-1024, 4/2008. e-Pub 1/31/2008. PMID: 18236114.
64. Briere TM, Tailor R, Tolani N, Prado K, Lane R, Woo S, Ha C, Gillin MT, Beddar AS. Patient dosimetry for total body irradiation using single-use MOSFET detectors. J Appl Clin Med Phys 9(4):2787, 2008. e-Pub 11/3/2008. PMID: 19020482.
65. Wang X, Krishnan S, Zhang X, Dong L, Briere T, Crane CH, Martel M, Gillin M, Mohan R, Beddar S. Proton radiotherapy for liver tumors: Dosimetric advantages over photon plans. Med Dosim 33(4):259-267, 2008. PMID: 18973852.
66. Krishnan S, Briere TM, Dong L, Murthy R, Ng C, Balter P, Mohan R, Gillin MT, Beddar AS. Daily targeting of liver tumors: Screening patients with a mock treatment and using a combination of internal and external fiducials for image-guided respiratory-gated radiotherapy. Med Phys 34(12):4591-4593, 12/2007. PMID: 18196785.
67. Briere TM, Gillin MT, Beddar AS. Implantable MOSFET detectors: Evaluation of a new design. Med Phys 34(12):4585-4590, 12/2007. PMID: 18196784.
68. Vedam S, Archambault L, Starkschall G, Mohan R, Beddar S. Determination of prospective displacement-based gate threshold for respiratory-gated radiation delivery from retrospective phase-based gate threshold selected at 4D CT simulation. Med Phys 34(11):4247-4255, 11/2007. PMID: 18072489.
69. Gao S, Delclos ME, Tomas LC, Crane CH, Beddar S. High dose rate remote afterloaders for intraoperative radiation therapy. AORN J 86(5):827-836, 11/2007. PMID: 18050890.
70. Archambault L, Beddar AS, Gingras L, Lacroix F, Roy R, Beaulieu L. Water-equivalent dosimeter array for small field external beam radiotherapy. Med Phys 34(5):1583-1592, 5/2007. PMID: 17555240.
71. Beddar AS, Kainz K, Briere TM, Tsunashima Y, Pan T, Prado K, Mohan R, Gillin M, Krishnan S. Correlation between internal fiducial tumor motion and external marker motion for liver tumors imaged with 4D-CT. Int J Radiat Oncol Biol Phys 67(2):630-638, 2/1/2007. PMID: 17236980.
72. Ballo MT, Zagars GK, Pollock RE, Benjamin RS, Feig BW, Cormier JN, Hunt KK, Patel SR, Trent JC, Beddar S, Pisters PW. Retroperitoneal soft tissue sarcoma: An analysis of radiation and surgical treatment. Int J Radiat Oncol Biol Phys 67(1):158-163, 1/1/2007. e-Pub 11/2/2006. PMID: 17084545.
73. Beddar AS. Plastic scintillation dosimetry and its application to radiotherapy. Radiat Meas 41:S124-S133, 2007.
74. Krishnan S, Lin EH, Gunn GB, Chandra A, Beddar AS, Briere TM, Das P, Delclos ME, Janjan NA, Crane CH. Conformal radiotherapy of the dominant liver metastasis: A viable strategy for treatment of unresectable chemotherapy refractory colorectal cancer liver metastases. Am J Clin Oncol 29(6):562-567, 12/2006. PMID: 17148992.
75. Beddar AS, Briere TM, Ouzidane M. Intraoperative radiation therapy using a mobile electron linear accelerator: Field matching for large-field electron irradiation. Phys Med Biol 51(18):N331-337, 9/21/2006. e-Pub 8/30/2006. PMID: 16953035.
76. Ayotte G, Archambault L, Gingras L, Lacroix F, Beddar AS, Beaulieu L. Surface preparation and coupling in plastic scintillator dosimetry. Med Phys 33(9):3519-3525, 9/2006. PMID: 17022248.
77. Beddar AS, Biggs PJ, Chang S, Ezzell GA, Faddegon BA, Hensley FW, Mills MD. Intraoperative radiation therapy using mobile electron linear accelerators: Report of AAPM Radiation Therapy Committee Task Group No. 72. Med Phys 33(5):1476-1489, 5/2006. PMID: 16752582.
78. Beddar AS, Krishnan S, Briere TM, Wang X, Delclos ME, Ballo MT, Das P, Gould S, Horton JL, Crane CH. The optimization of dose delivery for intraoperative high-dose-rate radiation therapy using curved HAM applicators. Radiother Oncol 78(2):207-212, 2/2006. e-Pub 1/10/2006. PMID: 16376445.
79. Archambault L, Beddar AS, Gingras L, Roy R, Beaulieu L. Measurement accuracy and cerenkov removal for high performance, high spatial resolution scintillation dosimetry. Med Phys 33(1):128-135, 1/2006. PMID: 16485419.
80. Briere TM, Lii J, Prado K, Gilin MT, and Beddar AS. Single-use MOSFET radiation dosimeters for the quality assurance of megavoltage photon beams. Phys Med Biol 51(5):1139-1144, 2006. PMID: 16481683.
81. Beddar AS. Water equivalent plastic scintillation detectors in radiation therapy. Radiat Prot Dosimetry 120(1-4):1-6, 2006. e-Pub 8/2006. PMID: 16882685.
82. Briere TM, Beddar AS, Gillin MT. Evaluation of precalibrated implantable MOSFET radiation dosimeters for megavoltage photon beams. Med Phys 32(11):3346-3349, 11/2005. PMID: 16370421.
83. Beddar AS. Stability of a mobile electron linear accelerator system for intraoperative radiation therapy. Med Phys 32(10):3128-3131, 10/2005. PMID: 16279065.
84. Archambault L, Arsenault J, Gingras L, Beddar AS, Roy R, Beaulieu L. Plastic scintillation dosimetry: optimal selection of scintillating fibers and scintillators. Med Phys 32(7):2271-2278, 7/2005. PMID: 16121582.
85. Beddar AS, Briere TM, Mourtada FA, Vassiliev ON, Liu HH, Mohan R. Monte Carlo calculations of the absorbed dose and energy dependence of plastic scintillators. Med Phys 32(5):1265-1269, 5/2005. PMID: 15984678.
86. Beddar AS, Salehpour M, Briere TM, Hamidian H, Gillin MT. Preliminary evaluation of implantable MOSFET radiation dosimeters. Phys Med Biol 50(1):141-149, 1/7/2005. PMID: 15715428.
87. Beddar AS, Krishnan S. Intraoperative radiotherapy using a mobile electron LINAC: A retroperitoneal sarcoma case. J Appl Clin Med Phys 6(3):95-107, 2005. e-Pub 8/12/2005. PMID: 16143794.
88. Beddar AS, Tailor RC. Calibration of low-energy electron beams from a mobile linear accelerator with plane-parallel chambers using both TG-51 and TG-21 protocols. Phys Med Biol 49(8):N105-N110, 4/21/2004. PMID: 15152696.
89. Zhang P, Beddar AS, Sibata CH. AAPM TG-43 formalism for brachytherapy dose calculation of a 137Cs tube source. Med Phys 31(4):755-759, 4/2004. PMID: 15124992.
90. Beddar AS, Suchowerska N, Law SH. Plastic scintillation dosimetry for radiation therapy: Minimizing capture of Cerenkov radiation noise. Phys Med Biol 49(5):783-790, 3/7/2004. PMID: 15070202.
91. Law SH, Suchowerska N, Fleming SC, Beddar AS, and McKenzie D. Signal versus noise in fiber coupled radiation dosimeters for medical applications. Biomedical Optics, Proceedings of SPIE. Biomedical Optics, SPIE 5317:105-115, 2004.
92. Ellis RJ, Vertocnik A, Kim E, Zhou H, Young B, Sodee B, Fu P, Beddar S, Colussi V, Spirnak JP, Dinchman KH, Resnick M, Kinsella TJ. Four-year biochemical outcome after radioimmunoguided transperineal brachytherapy for patients with prostate adenocarcinoma. Int J Radiat Oncol Biol Phys 57(2):362-370, 10/1/2003. PMID: 12957246.
93. Crane CH, Beddar AS, Evans DB. The role of intraoperative radiotherapy in pancreatic cancer. Surg Oncol Clin N Am 12(4):965-77, 10/2003. PMID: 14989127.
94. Beddar AS, Law S, Suchowerska N, Mackie TR. Plastic scintillation dosimetry: Optimization of light collection efficiency. Phys Med Biol 48(9):1141-52, 5/7/2003. PMID: 12765328.
95. Domanovic MA, Ouzidane M, Ellis RJ, Kinsella TJ, Beddar AS. Using intraoperative radiation therapy - A case study. AORN J 77(2):412-417, 2/2003. PMID: 12619854.
96. Beddar AS, Domanovic MA, Kubu ML, Ellis RJ, Sibata CH, Kinsella TJ. Mobile linear accelerators for intraoperative radiation therapy. AORN J 74(5):700-705, 11/2001. PMID: 11725448.
97. Beddar AS, Kubu ML, Domanovic MA, Ellis RJ, Kinsella TJ, Sibata CH. A new approach to intraoperative radiation therapy. AORN J 74(4):500-505, 10/2001. PMID: 11665383.
98. Ellis RJ, Kim EY, Conant R, Sodee DB, Spirnak JP, Dinchman KH, Beddar S, Wessels B, Resnick MI, Kinsella TJ. Radioimmunoguided imaging of prostate cancer foci with histopathological correlation. Int J Radiat Oncol Biol Phys 49(5):1281-1286, 4/1/2001. PMID: 11286835.
99. Beddar AS, Kinsella TJ, Ikhlef A, and Sibata CH. A miniature scintillator-fiberoptic-PMT detector system for the dosimetry of small fields in stereotactic radiosurgery. IEEE Trans Nucl Sci 48:924-928, 2001.
100. Colussi VC, Beddar AS, Kinsella TJ, Sibata CH. In vivo dosimetry using a single diode for megavoltage photon beam radiotherapy: implementation and response characterization. J Appl Clin Med Phys 2(4):210-8, 2001. PMID: 11686742.
101. Ikhlef A, Skowronek M, and Beddar AS. X-ray imaging and detection using plastic scintillating fibers. Nuclear Instruments and Methods in Physics Research A 442:428-432, 2000.
102. Das IJ, Gazda MJ, Beddar AS. Characteristics of a scintillator-based daily quality assurance device for radiation oncology beams. Med Phys 23(12):2061-2067, 12/1996. PMID: 8994171.
103. Beddar AS, Mason DJ, O'Brien PF. Absorbed dose perturbation caused by diodes for small field photon dosimetry. Med Phys 21(7):1075-9, 7/1994. PMID: 7968839.
104. Beddar AS. A new scintillator detector system for the quality assurance of Co-60 and high-energy therapy machines. Phys Med Biol 39(2):253-263, 2/1994. PMID: 15552123.
105. Beddar AS, Thomason C, Leung PM. Description and evaluation of a new 3D computerized treatment planning dose compensator system. Med Dosim 19(4):227-235, 1994. PMID: 7893357.
106. de Boer SF, Beddar AS, and Rawlinson JA. Optical filtering and spectral measurements of radiation-induced light in plastic scintillation dosimetry. Phys Med Biol 38:945-958, 1993.
107. Beddar AS, Mackie TR, Attix FH. Water-equivalent plastic scintillation detectors for high-energy beam dosimetry: I. Physical characteristics and theoretical consideration. Phys Med Biol 37(10):1883-900, 10/1992. PMID: 1438554.
108. Beddar AS, Mackie TR, Attix FH. Water-equivalent plastic scintillation detectors for high-energy beam dosimetry: II. Properties and measurements. Phys Med Biol 37(10):1901-13, 10/1992. PMID: 1438555.
109. Beddar AS, Mackie TR, and Attix FH. Cerenkov light generated in optical fibers and other light-pipes irradiated by electron beams. Phys Med Biol 37:925-935, 1992.
110. Sibata CH, Mota HC, Beddar AS, Higgins PD, Shin KH. Influence of detector size in photon beam profile measurements. Phys Med Biol 36(5):621-631, 5/1991. PMID: 2068227.
111. Beddar AS, Higgins PD. Use of ferroelectric crystal detectors for electron dosimetry. IEEE Trans Ultrason Ferroelectr Freq Control 37(1):26-30, 1990. PMID: 18285012.
112. Beddar AS and Higgins PD. Ionizing radiation response effects on optical fibers in radiation therapy dosimetry applications. SPIE 992:170-176, 1988.
113. Beddar AS. Radiation response of optical fibers to clinical radiotherapy photon and electron beams. Opto-Electronics: ESI publications; Paris, 146-149, 1988.
114. Guillot M, Blachon G, Gingras L, Beddar AS, and Beaulieu L. Light yield efficiency of BCF-12 plastic scintillating fiber under keV irradiation. Med Phys. Submitted.
Other Articles
1. Beddar AS, Archambault, L, Briere TM, Lacroix F, Gingras L, and Beaulieu L. Recent developments in scintillating fiber detection systems in radiation therapy. Proceedings of the SPIE 6913:69130R(1-9), 2008.
2. Law S and Beddar AS. Capture of Cerenkov radiation generated on the axis of an optical fibre when the fibre axis lies on the Cerenkov cone. Conference on the Optical Internet/Australian Conference on Optical Fibre Technology 2003, Melbourne, Australia. EA Books, 2003.
3. Kirov AS, Piao, Z, Devic, S, Shrinivas S, Beddar AS, Binns WR, Kinsella TJ, and Sibata CH. An estimate of the perturbing effect of Cerenkov radiation to the signal from a liquid scintillator volume irradiated by a megavoltage photon beam. Proceedings of the 22nd Annual EMBS International Conference, 2000, Chicago, IL,. IEEE 4:3148-3151, 2000.

Abstracts

1. Therriault-Proulx, Archambault L, Beddar S, Beaulieu L. A revolutionary multi-point plastic scintillation detector for in-vivo dosimetry in HDR brachytheray. ESTRO 31 Conference, Barcelona, Spain. Radiother Oncol 103(S2):S28, 5/2012.
2. Morin J, Béliveau-Nadeau D, Chung E, Seuntjens J, Archambault L, Beddar S, Beaulieu L. A sub-millimeter plastic scintillation detector for small field measurements delivered by a CyberKnife unit. ESTRO 31 Conference, Barcelona, Spain. Radiother Oncol 103(S1):S207-S208, 5/2012.
3. Bourgouin A, Bonde C, Adams E, Schmidt D, Beddar S, Beaulieu L, Archambault L. Characterization and validation of a commercial plastic scintillation detector prototype. ESTRO 31 Conference, Barcelona, Spain. Radiother Oncol 103(S1):S315, 5/2012.
4. Beddar S, Robertson D, Archambault L, Mohan R. Correction of optical artifacts in a liquid scintillator dosimetry system. ESTRO 31 Conference, Barcelona, Spain. Radiother Oncol 103(S1):S22, 5/2012.
5. Therriault-Proulx F, Archambault L, Beaulieu L, Beddar S. Development and application of a novel multi-point plastic scintillation detector for radiation therapy. ESTRO 31 Conference, Barcelona, Spain. Radiother Oncol 103(S1):S85-S86, 5/2012.
6. Archambault L, Therriault-Proulx F, Beddar S, Beaulieu L. Formalism for hyper-spectral, multi-point, plastic scintillation detectors. ESTRO 31 Conference, Barcelona, Spain. Radiother Oncol 103(S1):S313-S314, 5/2012.
7. Beddar S. Implantable MOSFET dosimeters. ESTRO 31 Conference, Barcelona, Spain. Radiother Oncol 103(S1):S76-S77, 5/2012.
8. Klein DM, Wootton LS, Kudchadker RJ, Lee AK, Beddar AS. In-phantom dose verification of four-field box and IMRT treatment delivery using plastic scintillation detectors. ESTRO 31 Conference, Barcelona, Spain. Radiother Oncol 103(S1):S126-S127, 5/2012.
9. Lessard F, Therriault-Proulx F, Després P, Archambault L, Beddar S, Beaulieu L. Low energy photon dosimetry using plastic scintillation detectors. ESTRO 31 Conference, Barcelona, Spain. Radiother Oncol 103(S1):S87-S88, 5/2012.
10. Robertson D, MIrkovic D, Beddar AS. Quenching correction for volumetric scintillation dosimetry of proton beams. ESTRO 31 Conference, Barcelona, Spain. Radiother Oncol 103(S1):S310-S311, 5/2012.
11. Therriault-Proulx F, Beddar S, Archambault L, Beaulieu L. A new optically encoded single-fiber plastic scintillation detector for multi-point radiation dosimetry. COMP Proceedings of the 58th Annual Scientific Annual Meeting, Halifax, Canada:19, 7/2012.
12. Therriault-Proulx F, Beaulieu L, Archambault L, Beddar S. A novel multi-point plastic scintillation detector for in vivo dosimetry and quality assurance in radiation therapy. AAPM 54th Annual Meeting, July 29 - August 2, 2012, Charlotte, North Carolina, Med. Phys. 39(6):3967, 7/2012.
13. Robertson D, Mirkovic D, Beddar S. A quenching correction method for volumetric scintillation dosimetry of proton beams. AAPM 54th Annual Meeting, July 29 - August 2, 2012, Charlotte, North Carolina, Med. Phys. 39(6):3886, 7/2012.
14. Wootton L, Klein D, Bonde C, Adams E, Schmidt D, Beaulieu L, Beddar S. Characterization of a commercial photodiode based plastic scintillation detector prototype. AAPM 54th Annual Meeting, July 29 - August 2, 2012, Charlotte, North Carolina. Med. Phys. 39(6):3886, 7/2012.
15. Therriault-Proulx F, Beaulieu L, Archambault L, Beddar S. On the importance of fluorescence within the stem effect of scintillation detectors. AAPM 54th Annual Meeting, July 29 - August 2, 2012, Charlotte, North Carolina, Med. Phys. 39(6):3967, 7/2012.
16. Lessard F, Archambault L, Plamondon M, Despres P, Therriault-Proulx F, Beddar S, Beaulieu L. Plastic scintillation detector validation for kV dosimetry. COMP Proceedings of the 58th Annual Scientific Annual Meeting, Halifax, Canada:92, 7/2012.
17. Ingram WS, Robertson D, Beddar S. The water equivalence of organic liquid scintillators for proton dosimetry. AAPM 54th Annual Meeting, July 29 - August 2, 2012, Charlotte, North Carolina, Med. Phys. 39(6):3729, 7/2012.
18. Mackin D, Polf J, Peterson S, Beddar S. Three-stage compton camera image resolution losses due detector effects. AAPM 54th Annual Meeting, July 29 - August 2, 2012, Charlotte, North Carolina, Med. Phys. 39(6):3882, 7/2012.
19. Mackin D, Polf J, Peterson S, Beddar S. Using the distance of closest approach to improve compton camera image quality. AAPM 54th Annual Meeting, July 29 - August 2, 2012, Charlotte, North Carolina, Med. Phys. 39(6):3670, 7/2012.
20. Palmer M, Mok H, Ciura K, Georges R, Nguyen B, Crawford C, Beddar S, Zhu R, Crane C, Das P. Dose reduction to small bowel and other relevant structures in rectal carcinoma with proton therapy. ASTRO 2012 Annual Meeting, Oct. 28 - 31, 2012, Boston, Massachusetts, Int J Radia Oncol Biol Phys 84(3):S846, 11/2012.
21. Hynstrom JR, Tzeng CD, Beddar S, Delclos ME, Crane CH, Krishnan S, Das P, Skibber JM, Rodriguez-Bigas MA. Intraoperative radiation therapy for locally advanced primary and recurrent colorectal cancer: ten-year institutional experience. ASTRO 2012 Annual Meeting, Oct. 28 - 31, 2012, Boston, Massachusetts, Int J Radia Oncol Biol Phys 84(3):S345, 11/2012.
22. Wootton L, Beddar AS. Characterization of the temperature dependence of BCF scintillation detectors. 2nd ESTRO Forum, April 19-23, 2013, Geneva, Switzerland, 2013.
23. Suh Y, Swanick SW, Beddar AS, Crane CH. Duodenal dose sparing with varying stomach volume during IG-IMRT treatment. ASTRO 2013 Annual Meeting, Sept. 22-25, Atlanta, Georgia, 2013.
24. Kudchadker RJ, Wootton LS, Lee AK, Beddar AS. Localization methodology for water-equivalent plastic scintillation detectors using surrogate fiducials in CT. 2nd ESTRO Forum, April 19-23, 2013, Geneva, Switzerland, 2013.
25. Archambault L, Beaulieu L, Klein d, Bourgouin A, Wootton L, Therriault-Proulx F, Beddar S. Performance of the first commercial miniature plastic scintillation detector. 2nd ESTRO Forum, April 19-23, 2013, Geneva Switzerland, 2013.
26. Beddar S, Wootton LS, Kudchadker RJ, Lee AK. Preliminary results of an online patient in-vivo dosimetry protocol to monitor anterior rectal wall dose in real time. 2nd ESTRO Forum, April 19-23, 2013, Geneva, Switzerland, 2013.
27. Lee E, Polf J, Mackin D, Dolney D, Beddar S, Avery S. Patient-based study on characteristic prompt gamma-ray spectra using a prompt gamma imaging system during proton therapy. AAPM 55th Annual Meeting, August 4-8, 2013, Indianapolis, Indiana, Med. Phys. 40(6):381, 2013.
28. Ingram WS, Robertson D, Bedar S. An evaluation of two organic liquid scintillators for use in real-time 3D proton dosimetry. AAPM 55th Annual Meeting, August 4-8, 2013, Indianapolis, Indiana, Med. Phys. 40(6):227, 2013.
29. Mackin D, Polf J, Avery S, Lee E, Dolney D, Beddar S. Characteristics of prompt gamma compton interactions in detectors. AAPM 55th Annual Meeting, August 4-8, 2013, Indianapolis, Indiana, Med. Phys. 40(6):307, 2013.
30. Hui C, Robertson d, Beddar S. 3D reconstruction of scintillation light emission from mono-energetic proton beams using a limited projection approach: a simulation study. AAPM 55th Annual Meeting, August 4-8, 2013, Indianapolis, Indiana, Med. Phys. 40(6):398, 2013.
31. Boivin J, Guillemette M, Beddar S. Real-Time plastic scintillation dosimeter for fluoroscopically-guided interventional procedures. AAPM 55th Annual Meeting, August 4-8, 2013, Indianapolis, Indiana, Med. Phys. 40(6):427, 2013.
32. Goulet M, Gingras L, Beddar S, Beaulieu L, Archambault L. Novel full 3D water-equivalent dosimetry technique using a single light-field camera for photons, electrons and ion-beams dosimetry. AAPM 55th Annual Meeting, August 4-8, 2013, Indianapolis, Indiana, Med. Phys. 40(6):430, 2013.
33. Gagnon L, Beddar S, Beaulieu L. Characterization of a fiber-taper CCD photo-counting system for plastic scintillation dosimetry and comparison to the traditional lens system. AAPM 55th Annual Meeting, August 4-8, 2013, Indianapolis, Indiana, Med. Phys. 40(6):432, 2013.
34. Beddar S, Beaulieu L. Plastic scintillation detectors: present status and their application for quality assurance and in vivo dosimetry. AAPM 55th Annual Meeting, August 4-8, 2013, Indianapolis, Indiana, Med. Phys. 40(6):472, 2013.
35. Beddar S, Deye J, Romeijn E, Mackie T, Paganetti H, Jin J, McGuire S. Grantsmanship and funding. AAPM 55th Annual Meeting, August 4-8, 2013, Indianapolis, Indiana, Med. Phys. 40(6):497, 2013.
36. Polf J, Mackin J, Lee E, Avery S, Dolney D, Beddar S. Characterizing prompt gamma signal during proton radiotherapy. AAPM 55th Annual Meeting, August 4-8, 2013, Indianapolis, Indiana, Med. Phys. 40(6):547, 2013.
37. Polf J, Mackin J, Lee E, Dolney D, Avery S, Beddar S. Assessing dose delivery and patient response during proton therapy using prompt gamma imaging. NIH/AAPM/ASTRO Joint Workshop: Technology for innovation in Radiation Oncology, National Institutes of Health, Bethesda, MD, June 13-14, 2013.
38. Beaulieu L, Archambault L, Therriault D, Gingras L, Beddar S. Performance of a novel, water-equivalent commercial scintillation dosimeter for small fields and high dose rate external beam dose measurements. 2013 IEEE NSS/MIC/RTSD, Oct. 27 - Nov. 2, 2013, Seoul, Korea:83, 10/2013.
39. Boivin J, Gagnon LP, Beddar S, Guillemette M, Beaulieu L. Real-time low dose rate dosimetry for interventional radiology. 2013 IEEE NSS/MIC/RTSD, Oct. 27 - Nov. 2, 2013, Seoul, Korea:83, 10/2013.
40. Beddar S, Suh Y, Wen Z, Das P, Delclos ME, Krishnan S, Minsky B, Crane CH. 4D and multi-phase breath-hold CT imaging with synchronized intravenous contrast injection for liver tumor delineation. 2013 IEEE NSS/MIC/RTSD, Oct. 27 - Nov. 2, 2013, Seoul, Korea:240, 10/2013.
41. Polf JC, Mackin DS, Beddar S. Development of prompt gamma based in-vivo range verification systems in proton radiotherapy. 2013 IEEE NSS/MIC/RTSD, Oct. 27 - Nov. 2, 2013, Seoul, Korea:80, 10/2013.
42. Beddar S, Wootton L, Kudchadker R, Choi S, Pugh T, Lee A. Online in-vivo dosimetry of rectal dose using plastic scintillation detectors for prostate patients. 2013 IEEE NSS/MIC/RTSC, Oct. 27 - Nov. 2, 2013, Seoul, Korea:83, 10/2013.
43. Beddar S, Robertson D, Hui C, Archambault L, Sahoo N, Mohan R. Fast high-resolution measurements of clinical hadron therapy beams using a large liquid scintillator detector. 2013 IEEE NSS/MIC/RTSD, Oct. 27 - Nov. 2, 2013, Seoul, Korea:81, 10/2013.
44. Goulet M, Rilling M, Gingras L, Beddar S, Beaulieu L, Archambault L. 3D real-time water-equivalent dosimeter using a single light-field camera for pre-treatment QA. 2014 ESTRO 33, April 4-8, 2014, Vienna, Austria, Radiother Oncol 111(Supplement 1):209 (#OC-0508), 2014.
45. Beddar S. Results from an online patient in-vivo dosimetry protocol for prostate cancer. 2014 ESTRO 33, April 4-8, 2014, Vienna, Austria, Radiother Oncol 111(Supplement 1):237 (#OC-0580), 2014.
46. Francescon P, Beddar S, Das I. Monte Carlo output correction factors for Cyberknife and Synergy small fields for the Exradin W1 scintillator. 2014 ESTRO 33, April 4-8, 2014, Vienna, Austria, Radiother Oncol 111(Supplement 1):22 (#PD-0036), 2014.
47. Beddar S. In vivo dosimetry and its potential for DGRT. 2014 ESTRO 33, April 4-8, 2014, Vienna, Austria, Radiother Oncol 111(Supplement 1):141 (#SP-0338), 2014.
48. Dipasquale G, Sedmak C, Nouet P, Beddar S, Dubouloz A, Rouzaud M. Stereotactic radiosurgery dose quality assurance: a commercial plastic scintillation versus a diamond detector. 2014 ESTRO 33, April 4-8, 2014, Vienna, Austria, Radiother Oncol 111(Supplement 1):597 (#EP-1531), 2014.

Book Chapters

1. Joanna E. Cygler, Kari Tanderup, Sam Beddar, and Jose Perez-Catalyud. In Vivo Dosimetry in Brachytherapy. In: Comprehensive Brachytherapy: Physical and Clinical Aspects, First Edition. Ed(s) Jack L.M. Venselaar, Dimos Baltas, Ali S. Meigooni, and Peter J. Hoskin. Taylor & Francis Group, LLC: New York, 378-396, 2013. ISBN: 978-1-4398-4498-4.
2. Beddar AS. Mobile Electron Beam Intraoperative Radiation Therapy. In: Quality and Safety in Radiotherapy. First Edition. Ed(s) T Pawlicki, P Dunscombe, AJ Mundt, P Scalliet. Taylor & Francis, 497-502, 2010. ISBN: 978-1-4398043-6-0.
3. Beddar S and Briere TM. Plastic Scintillation Detectors. In: Clinical Dosimetry for Radiotherapy. Ed(s) Rogers DWO and Cygler JE. Medical Physics Publishing: Madison, WI, USA, Ch 34, pp 1059-1082, 2009.
4. Crane CH, Beddar AS, and Evans DB. The Role of IORT in Pancreatic Cancer. In: Surgical Oncology Clinics. 12, 4. W.B. Saunders Company, 965-978, 2003.

Grant & Contract Support

Title: Water-Equivalent Plastic Scintillation Detectors for Small Field Radiotherapy-Phase II
Funding Source: NIH/NCI
Role: Principal Investigator
Duration: 8/1/2013 - 7/31/2015
 
Title: 4D MR Imaging Techniques for Radiation Therapy Treatment Planning
Funding Source: The University of Texas MD Anderson Cancer Center / Center for Radiation Oncology Research
Role: Co-Investigator
Principal Investigator: Zhifei Wen
Duration: 7/1/2013 - 6/30/2014
 
Title: Evaluation of Dose Responses of Radiation Dosimeters in the Presence of a Strong Magnetic Field
Funding Source: Elekta
Role: Co-Investigator
Principal Investigator: Zhifei Wen
Duration: 7/1/2013 - 6/30/2014
 
Title: Patient in-vivo dosimetry measurements using the Radiadyne OARTrac System - Phase III
Funding Source: Radiadyne
Role: Principal Investigator
Duration: 9/4/2012 - 2/28/2013
 
Title: Real-time in vivo rectal wall dosimetry for prostate radiotherapy using plastic scintillating detectors
Funding Source: The University of Texas MD Anderson Cancer Center / Institutional Research Grant
Role: Collaborator
Principal Investigator: Rajat Kudchadker
Duration: 9/1/2012 - 9/1/2014
 
Title: An in-vivo plastic scintillation detector for ultrasound-guided seed implantation during low-dose-rate prostate brachytherapy
Funding Source: Odyssey Program and THE ESTATE OF C.G. JOHNSON, JR.
Role: PI and Mentor
Duration: 9/1/2012 - 8/30/2014
 
Title: Real-time verification of proton dose delivery. NCE
Funding Source: NIH/NCI
Role: Principal Investigator
Duration: 6/30/2012 - 6/30/2013
 
Title: Performance evaluation of the Radiadyne OARTrac system - Phase II
Funding Source: Radiadyne
Role: Principal Investigator
Duration: 9/1/2011 - 9/1/2012
 
Title: Performance evaluation of the Radiadyne OARTrac system - Phase I
Funding Source: Radiadyne
Role: Principal Investigator
Duration: 6/1/2011 - 8/31/2011
 
Title: Water-Equivalent Plastic Scintillation Detectors for Small-Field Radiotherapy - SBIR Phase I
Funding Source: NIH/NCI
Role: Principal Investigator-MDACC
Duration: 9/1/2010 - 8/31/2011
 
Title: Real-time in vivo dosimetry in radiation therapy using scintillation detectors. NCE
Funding Source: NIH/NCI
Role: Principal Investigator
Duration: 6/1/2010 - 5/31/2011
 
Title: Optimizing Proton Radiation Therapy
Funding Source: NIH/NCI
Role: Co-Investigator
Principal Investigator: Thomas DeLaney
Duration: 9/25/2008 - 7/31/2013
 
Title: Real-time in vivo Dosimetry in Radiation Therapy using Scintillation Detectors
Funding Source: NIH/NCI
Role: Principal Investigator
Duration: 7/1/2007 - 5/31/2010
 
Title: Scintillator detector system: real-time in vivo dosimetry in radiation therapy.
Funding Source: The University of Texas MD Anderson Cancer Center Technology Review Committee
Role: Principal Investigator
Duration: 3/5/2007 - 11/4/2007
 
Title: Performance of the new design of the implantable dosimeter Detectors (DVS).
Funding Source: Sicel Technologies
Role: Co-Principal Investigator
Principal Investigator: Briere
Duration: 10/15/2006 - 4/15/2007
 
Title: Dose-image guided radiotherapy for prostate cancer
Funding Source: NIH/NCI
Role: Mentor and Project Leader
Principal Investigator: Edward Jackson
Duration: 8/4/2006 - 7/31/2011
 
Title: Plastic scintillator dosimeter array for IMRT and IMPT
Funding Source: Odyssey Program and Houston Endowment, Inc.
Role: PI and Mentor
Duration: 2/1/2006 - 2/1/2009
 
Title: Un nouveau systéme dosimétrique a fibres optiques scintillantes pour application médicale.
Funding Source: National Sciences and Engineering Research Council of Canada (NSERC)
Role: Co-Investigator
Duration: 4/1/2005 - 3/31/2008
 
Title: Clinical Evaluation of the Sicel Implantable Detectors
Funding Source: Sicel Technologies
Role: Principal Investigator
Duration: 12/1/2003 - 12/30/2005
 
Title: Implantable Detectors
Funding Source: Sicel Technologies
Role: Principal Investigator
Duration: 3/21/2003 - 9/30/2003

Last updated: 4/9/2014