Peer-Reviewed Original Research Articles

Rosales HML, Archambault L, Beddar S, Beaulieu L. Dosimetric performance of a multi-point plastic scintillator dosimeter as a tool for real-time source tracking in high dose rate 192 Ir brachytherapy. Med Phys 2020 May 22. doi: 10.1002/mp.14246. PMID: 32443175.

Maggi P, Peterson SW, Panthi R, Mackin DS, Yang H, He Z, Beddar S, Polf J. Computational model for detector timing effects in Compton-camera based prompt-gamma imaging for proton radiotherapy. Phys Med Biol 2020 Apr 22. doi: 10.1088/1361-6560/ab8bf0. PMID: 32320971.

Alsanea F, Darne CD, Robertson DG, Beddar S. Ionization quenching correction for a 3D scintillator detector exposed to scanning proton beams. Phys Med Biol e-Pub 2/2020. PMID: 32079001.

Slagowski JM, Colbert LE, Cazacu IM, Singh BS, Martin R, Koay EJ, Taniguchi CM, Koong AC, Bhutani MS, Herman JM, Beddar S. Evaluation of the Visibility and Artifacts of 11 Common Fiducial Markers for Image Guided Stereotactic Body Radiation Therapy in the Abdomen. Pract Radiat Oncol e-Pub 1/2020. PMID: 31988039.

Park PC, Choi GW, M Zaid M, Elganainy D, Smani DA, Tomich J, Samaniego R, Ma J, Tamm EP, Beddar S, Koay EJ. Enhancement pattern mapping technique for improving contrast‐to‐noise ratios and detectability of hepatobiliary tumors on multiphase computed tomography. Med Phys 47(1):64-74, 1/2020.

2019

Kertzscher G, Beddar S. Inorganic scintillation detectors for 192Ir brachytherapy. Phys Med Biol 2019 64(22):225018. doi: 10.1088/1361-6560/ab421f. PMID: 31491777.

Alsanea F, Darne C, Hojo Y, Beddar S. A novel imaging scheme for optical cameras used in a quality assurance detector for discrete spot scanning proton beam systems. Nucl Instrum Methods in Phys Res 939:16-21, 2019.

Choi G, Suh Y, Das P, Herman J, Holliday E, Koay E, Koong A, Krishnan S, Minsky B, Taniguchi C, Beddar S. Assessment of setup uncertainty in hypofractionated liver radiation therapy with breath-hold technique using automatic image registration-based image guidance. Radiation Oncology 14(1):154, 2019. PMID: 31470860.

Darne C, Alsanea F, Robertson D, Guan F, Pan T, Grosshans D, Beddar S. A Proton Imaging System Using a Volumetric Liquid Scintillator: A Preliminary Study. Biomed Phys Eng Express 5(4), 2019. PMCID: PMC7082085.

Linares Rosales HM, Duguay-Drouin P, Archambault L, Beddar S, Beaulieu L. Optimization of a multipoint plastic scintillator dosimeter for high dose rate brachytherapy. Med Phys 46(5):2412-2421, 2019. e-Pub 2019. PMID: 30891803.

Chadha AS, Gunther JR, Hsieh CE, Aliru M, Mahadevan LS, Venkatesulu BP, Crane CH, Das P, Herman JM, Koay EJ, Taniguchi C, Holliday EB, Minsky BD, Suh Y, Park P, Sawakuchi G, Beddar S, Odisio BC, Gupta S, Loyer E, Kaur H, Raghav K, Javle MM, Kaseb AO, Krishnan S. Proton beam therapy outcomes for localized unresectable hepatocellular carcinoma. Radiother Oncol 133:54-61, 2019. e-Pub 2019. PMID: 30935582.

2018

Colbert LE, Rebueno N, Moningi S, Beddar S, Sawakuchi GO, Herman JM, Koong AC, Das P, Holliday EB, Koay EJ, Taniguchi CM. Dose Escalation for Locally Advanced Pancreatic Cancer: How High Can We Go?. Adv Radiat Oncol 3(4):693-700, 2018. e-Pub 2018. PMID: 30370371.

Therriault-Proulx F, Wen Z, Ibbott G, Beddar S. Effect of magnetic field strength on plastic scintillation detector response. Radiat Meas 116:10-13, 2018. e-Pub 2018. PMID: 30559600.

Alsanea F, Therriault-Proulx F, Sawakuchi G, Beddar S. A real-time method to simultaneously measure linear energy transfer and dose for proton therapy using organic scintillators. Med Phys 45(4):1782-1789, 2018. e-Pub 2018. PMID: 29446078.

Yan Y, Yang J, Beddar S, Ibbott G, Wen Z, Court LE, Hwang KP, Kadbi M, Krishnan S, Fuller CD, Frank SJ, Yang J, Balter P, Kudchadker RJ, Wang J. A methodology to investigate the impact of image distortions on the radiation dose when using magnetic resonance images for planning. Phys Med Biol 63(8), 2018. e-Pub 2018. PMID: 29528037.

Alsanea F, Wootton L, Sahoo N, Kudchadker R, Mahmood U, Beddar S. Exradin W1 plastic scintillation detector for in vivo skin dosimetry in passive scattering proton therapy. Phys Med 47:58-63, 2018. e-Pub 2018. PMID: 29609819.

Draeger E, Mackin D, Peterson S, Chen H, Avery S, Beddar S, Polf JC. 3D prompt gamma imaging for proton beam range verification. Phys Med Biol 63(3), 2018. e-Pub 2018. PMID: 29380750.

2017

Therriault-Proulx F, Beaulieu L, Beddar S. Validation of plastic scintillation detectors for applications in low-dose-rate brachytherapy. Brachytherapy 16(4):903-909, 2017. e-Pub 2017. PMID: 28495442.

Draeger E, Peterson S, Mackin D, Chen H, Beddar S, Polf JC. Feasibility Studies of a New Event Selection Method to Improve Spatial Resolution of Compton Imaging for Medical Applications. IEEE Trans Radiat Plasma Med Sci 1(4):358-367, 2017. e-Pub 2017. PMID: 28736766.

Robertson D, Beddar S. Patient-specific quality assurance for spot scanning proton beams using a large-volume liquid scintillator detector. J Phys: Conf Ser 847((2017) 012005), 2017.

Darne CD, Robertson D, Beddar S. Development of a liquid scintillator-based 3D detector for range measurements of spot-scanned proton beams. J Phys: Conf Ser 847((2017) 012020), 2017.

Alsanea F, Beddar S. Evaluating analytical ionization quenching correction models for 3D liquid organic scintillator detector. J Phys: Conf Ser 847((2017) 012022), 2017.

Kertzscher G, Beddar S. Inorganic scintillator detectors for real-time verification during brachytherapy. J Phys: Conf Ser 847((2017) 012036), 2017.

Mackin D, Draeger E, Peterson S, Polf J, Beddar S. In vivo verification of particle therapy: How Compton camera configurations affect 3D image quality. J Phys: Conf Ser  847((2017) 012045), 2017.

Kertzscher G, Beddar S. Inorganic scintillation detectors based on Eu-activated phosphors for Ir-192 brachytherapy. Phys Med Biol 62(12):5046-5075, 2017. e-Pub 2017. PMID: 28475494.

Darne CD, Alsanea F, Robertson DG, Sahoo N, Beddar S. Performance characterization of a 3D liquid scintillation detector for discrete spot scanning proton beam systems. Phys Med Biol 62(14):5652-5667, 2017. e-Pub 2017. PMID: 28593931.

Feain IJ, Court L, Palta JR, Beddar S, Keall P. Innovations in Radiotherapy Technology. Clin Oncol (R Coll Radiol) 29(2):120-128, 2017. e-Pub 2016. PMID: 27913106.

Chadha AS, Liu G, Chen HC, Das P, Minsky BD, Mahmood U, Delclos ME, Suh Y, Sawakuchi GO, Beddar S, Katz MH, Fleming JB, Javle MM, Varadhachary GR, Wolff RA, Crane CH, Wang X, Thames H, Krishnan S. Does Unintentional Splenic Radiation Predict Outcomes After Pancreatic Cancer Radiation Therapy?. Int J Radiat Oncol Biol Phys 97(2):323-332, 2017. e-Pub 2016. PMID: 28068240.

Henry T, Robertson D, Therriault-Proulx F, Beddar S. Determination of the Range and Spread-Out Bragg Peak Width of Proton Beams Using a Large-Volume Liquid Scintillator. Int J Part Ther 4(1):1-6, 2017. e-Pub 2017. PMID: 31773000.

2016

Kertzscher G, Beddar S. Ruby-based inorganic scintillation detectors for 192Ir brachytherapy. Phys Med Biol 61(21):7744-7764, 2016. e-Pub 2016. PMID: 27740947.

Beaulieu L, Beddar S. Review of plastic and liquid scintillation dosimetry for photon, electron, and proton therapy. Phys Med Biol 61(20):R305-R343, 2016. e-Pub 2016. PMID: 27694714.

Polf JC, Avery S, Mackin DS, Beddar S. Reply to comment on 'Imaging of prompt gamma rays emitted during delivery of clinical proton beams with a Compton camera: feasibility studies for range verification'. Phys Med Biol 61(24):8945-8946, 2016. e-Pub 2016. PMID: 27910821.

Boivin J, Beddar S, Bonde C, Schmidt D, Culberson W, Guillemette M, Beaulieu L. A systematic characterization of the low-energy photon response of plastic scintillation detectors. Phys Med Biol 61(15):5569-5586, 2016. e-Pub 2016. PMID: 27384872.

Hui C, Wen Z, Stemkens B, Tijssen RH, van den Berg CA, Hwang KP, Beddar S. 4D MR imaging using robust internal respiratory signal. Phys Med Biol 61(9):3472-87, 2016. e-Pub 2016. PMID: 27049817.

Krishnan S, Chadha AS, Suh Y, Chen HC, Rao A, Das P, Minsky BD, Mahmood U, Delclos ME, Sawakuchi GO, Beddar S, Katz MH, Fleming JB, Javle MM, Varadhachary GR, Wolff RA, Crane CH. Focal Radiation Therapy Dose Escalation Improves Overall Survival in Locally Advanced Pancreatic Cancer Patients Receiving Induction Chemotherapy and Consolidative Chemoradiation. Int J Radiat Oncol Biol Phys 94(4):755-65, 2016. e-Pub 2015. PMID: 26972648.

Peterson SW, Hillebrand M, Mackin D, Daeger E, Beddar S, Polf J. Tracking Electrons produced by compton scatter within a prompt gamma imaging device. The Proceedings of SAIP2016, the 61st Annual Conference of the South African Institute of Physics:140-145, 2016.

2015

Ingram WS, Robertson D, Beddar S. Calculations and measurements of the scintillator-to-water stopping power ratio of liquid scintillators for use in proton radiotherapy. Nucl Instrum Methods Phys Res A 776:15-20, 3/2015. PMCID: PMC4332394.

McCleskey M, Kaye W, Mackin DS, Beddar S, He Z, Polf JC. Evaluation of a multistage CdZnTe compton camera for prompt γ imaging for proton therapy. Nucl Instrum Methods Phys Res A 785:163-169, 2015.

Wootton L, Holmes C, Sahoo N, Beddar S. Passively scattered proton beam entrance dosimetry with a plastic scintillation detector. Phys Med Biol 60(3):1185-98, 2/2015. e-Pub 1/2015. PMCID: PMC4326057.

Beddar S. Real-time volumetric scintillation dosimetry. Jour Phys: Conference Series 573(1):12005-12012(8), 1/2015.

Gagnon LP, Beddar S, Beaulieu L. Characterization of a fiber-taper charge-coupled device system for plastic scintillation dosimetry and comparison with the traditional lens system. Radiat Meas 73(2015):60-68, 1/2015.

2014

Lee E, Polf JC, Mackin DS, Beddar S, Dolney D, Ainsley C, Kassaee A, Avery S. Study of the angular dependence of a prompt gamma detector response during proton radiation therapy. Int J Particle Ther 1(3):731-744, 12/2014.

Francescon P, Beddar S, Satariano N, Das IJ. Variation of kQclin,Qmsr (fclin,fmsr) for the small-field dosimetric parameters percentage depth dose, tissue-maximum ratio, and off-axis ratio. Med Phys 41(10):101708, 10/2014.

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 37(5):461-6, 10/2014. e-Pub 3/2013.

Kertzscher G, Rosenfeld A, Beddar S, Tanderup K, Cygler JE. In vivo dosimetry: trends and prospects for brachytherapy. Br J Radiol 87(1041):20140206, 9/2014. e-Pub 7/2014.

Goulet M, Rilling M, Gingras L, Beddar S, Beaulieu L, Archambault L. Novel, full 3D scintillation dosimetry using a static plenoptic camera. Med Phys 41(8):082101, 8/2014.

Hui C, Robertson D, Beddar S. 3D reconstruction of scintillation light emission from proton pencil beams using limited viewing angles - a simulation study. Phys Med Biol 59(16). e-Pub 7/23/2014. PMID: 25054735.

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 109(7):652-8, 6/2014. e-Pub 2/10/2014. PMID: 24510523.

Polf JC, Mackin D, Lee E, Avery S, Beddar S. Detecting prompt gamma emission during proton therapy: the effects of detector size and distance from the patient. Phys Med Biol 59(3):2325-2340, 5/7/2014. e-Pub 4/15/2014. PMID: 24732052.

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, 2/7/2014. e-Pub 1/17/2014. PMCID: PMC3965908.

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.

2013

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Beaulieu L, Goulet M, Archambault L and Beddar S. Current status of Scintillation Dosimetry for megavoltage beams. J Phys Conf Ser 444 (012013), 2013.

2012

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.

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. Pract Radiat Oncol 12/2012.

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.

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.

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.

Beddar S. On possible temperature dependence of plastic scintillator response. Med Phys 39(10):6522, 10/2012. PMID: 23039686.

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.

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.

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.

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.

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.

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.

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.

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.

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.

2011

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.

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.

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.

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.

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.

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.

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.

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.

Mok H, Briere TM, Martel MK, Beddar AS, Delclos ME, Krishnan S, Crane CH, Das P. Comparative analysis of volumetric modulated arc therapy (VMAT) versus intensity modulated radiation therapy (IMRT) for radiotherapy of anal carcinoma. Pract Radiat Oncol (1):163-172, 1/2011.

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.

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 Conference Proceedings 1336:364-368, 2011.

2010

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.

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.

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.

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 electron beams using plastic scintillation detector. Med Phys 37(8):4331-4342, 8/2010. PMCID: PMC2927689.

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.

Beddar S. A liquid scintillator system for dosimetry of photon and proton beams. J Phys Conf Ser 250 (012038):1-3, 2010.

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.

2009

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.

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.

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.

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.

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.

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.

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.

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.

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.

2008

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.

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.

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.

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.

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.

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.

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.

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.

2007

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.

Briere TM, Gillin MT, Beddar AS. Implantable MOSFET detectors: Evaluation of a new design. Med Phys 34(12):4585-4590, 12/2007. PMID: 18196784.

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.

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.

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.

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.

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.

Beddar AS. Plastic scintillation dosimetry and its application to radiotherapy. Radiat Meas 41:S124-S133, 2007.

2006

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.

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.

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.

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.

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.

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.

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.

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.

2005

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.

Beddar AS. Stability of a mobile electron linear accelerator system for intraoperative radiation therapy. Med Phys 32(10):3128-3131, 10/2005. PMID: 16279065.

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.

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.

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.

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.

2004

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.

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.

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.

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.

2003

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.

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.

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.

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.

2001

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.

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.

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.

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.

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.

2000

Ikhlef A, Skowronek M, and Beddar AS. X-ray imaging and detection using plastic scintillating fibers. Nucl Instrum Methods Phys Res A 442:428-432, 2000.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Beddar AS and Higgins PD. Ionizing radiation response effects on optical fibers in radiation therapy dosimetry applications. SPIE 992:170-176, 1988.

Beddar AS. Radiation response of optical fibers to clinical radiotherapy photon and electron beams. Opto-Electronics: ESI publications; Paris, 146-149, 1988.