Publications

Publications

2010 - present

  • M. Shiha, J.E. Cygler, R. MacRae and E. Heath, 4D Monte Carlo dose reconstructions using surface motion measurements, Physica Medica (2023).

  • I.R. Mansour and R. M. Thomson, Haralick texture analysis for microdosimetry: characterization of Monte Carlo generated 3D specific energy distributions, Physics in Medicine & Biology (2023). 

  • M.P. Martinov, E.M. Fletcher and R.M. Thomson, Multiscale Monte Carlo simulations of gold nanoparticle dose-enhanced radiotherapy I: Cellular dose enhancement in microscopic models, Med. Phys. (2023).

  • E. Christiansen, T. Xu and E. Heath, ALERT-RA: an aperture library-enabled real-time respiratory motion adaptive framework for 4D-VMAT, Med. Phys. (2022).

  • E. Heath, S. Mueller, G. Guyer, A. Duetschler, O. Elicin, D. Aebersold, M.K. Fix and P. Manser, Implementation and experimental validation of a robust hybrid direct aperture optimization approach for mixed-beam radiotherapy, Med. Phys. (2021).

  • S. Gholampourkashi, J.E. Cygler, B. Lavigne and E. Heath, Validation of 4D Monte Carlo dose calculations using a programmable deformable lung phantom, Physica Medica 76, 16-27, (2020).

  • P.A.K. Oliver and R.M. Thomson, Investigating energy deposition in glandular tissues for mammography using multiscale Monte Carlo simulations, Med. Phys.  46, 1426-1436, (2019). Editors' Choice.

  • P.A.K. Oliver and R.M. Thomson, Microdosimetric considerations for radiation response studies using Raman spectroscopy, Med. Phys.  45, 4734-4743, (2018).

  • P.A.K. Oliver and R.M. Thomson, Investigating energy deposition within cell populations using Monte Carlo simulations, Phys. Med. Biol. 63, 155018 (2018).

  • R.M. Thomson and I. Kawrakow, Quantum versus classical Monte Carlo simulation of low-energy electron transport in condensed media, Phys. Med. 54, 179-188 (2018). Invited article for Special Issue of Selected Papers from the International Conference on Monte Carlo techniques for Medical Applications (MCMA2017)

  • R.M. Thomson and D.W.O. Rogers, Take action for gender-balanced and diverse scientific meetings, Physics in Canada 74, 69-70 (2018). 

  • R.M. Thomson, M. Chamberland, R.E.P. Taylor, and D.W.O. Rogers, Reply to Comment on egs_brachy: a versatile and fast Monte Carlo code for brachytherapy, Phys. Med. Biol. 63, 038002 (2018).

  • Y. Ma, J. Vijande, F. Ballester, A. Carlsson Tedgren, D. Granero, A. Haworth, F. Mourtada, G. Paiva Fonseca, K. Zourari, P. Papagiannis, M.J. Rivard, F.A. Siebert, R.S. Sloboda, R. Smith, M.J.P. Chamberland, R.M. Thomson, F. Verhaegen, and L. Beaulieu, A generic TG-186 shielded applicator for commissioning model-based dose calculation algorithms for high-dose-rate 192Ir brachytherapy, Med. Phys., 44, 5961-5976, (2017).

  • N. Miksys, M. Haidari, E. Vigneault, A. G. Martin, L. Beaulieu, and R. M. Thomson, Coupling I-125 permanent implant prostate brachytherapy Monte Carlo dose calculations with radiobiological models, Med. Phys., 44, 4329-4340 (2017). Highlighted as Editors' Choice for the August 2017 issue.

  • P. A. K. Oliver and R. M. Thomson, "Cavity theory applications for kilovoltage cellular dosimetry", Phys. Med. Biol., 62, 4440-4459 (2017). 

  • M. Martinov and R. M. Thomson, "Heterogeneous multiscale Monte Carlo simulations for gold nanoparticle radiosensitization", Med. Phys., 44, 644 (2017).

  • S. Gholampourkashi, M. Vujicic, J. Belec, J.E. Cygler and E. Heath, "Experimental verification of 4D Monte Carlo simulations of dose delivery to a moving anatomy", Med. Phys. 44, 4473-4209

  • P. A. K. Oliver and R. M. Thomson, "A Monte Carlo study of macroscopic and microscopic dose descriptors for kilovoltage cellular dosimetry", Phys. Med. Biol. 62, 1417 (2017).

  • N. Miksys, E. Vigneault , A. G. Martin, L. Beaulieu, and R. M. Thomson, "Large scale retrospective dosimetric study for permanent implant prostate brachytherapy", Int. J. Rad. Oncol. Biol. Phys. 97, 606 (2017).

  • M. Chamberland, R. E. P. Taylor, D. W. O. Rogers and R. M. Thomson, "egs_brachy: a versatile and fast Monte Carlo code for brachytherapy", Phys. Med. Biol. 61, 8214 (2016).

  • N. Miksys, J. E. Cygler, J. M. Caudrelier, and R. M. Thomson, "Patient-specific Monte Carlo dose calculations for Pd-103 breast brachytherapy", Phys. Med. Biol. 61, 2705 (2016).

  • I. Sechopoulos, E. S. M. Ali, A. Badal, A. Badano, J. Boone, I. S. Kyprianou, E. Mainegra-Hing, M. F. McNitt-Gray, K. L. McMillan, D. W. O. Rogers, E. Samei and A. C. Turner, “Monte Carlo reference data sets for imaging research: Executive summary of the report of AAPM Research Committee Task Group 195”, Med. Phys. 42 5679 – 5691 (2015).

  • N. Miksys, C. Xu, L. Beaulieu, and R. M. Thomson, Development of virtual patient models for permanenty implant brachytherapy Monte Carlo dose calculations:  Interdependence of CT image artifact mitigation and tissue assignment, Phys. Med. Biol. 60, 6039 (2015

  • E. S. M. Ali, B. Spencer, M. R. McEwen and D. W. O. Rogers, “Towards a quantitative, measurement-based estimate of the uncertainty in photon mass attenuation coefficients at radiation therapy energies”, Phys. Med. Biol., 60 1641 – 1654 (2015).

  • E. S. M. Ali, R. Webb and B. J. Nyiri, “Rotational artefacts in on-board cone beam computed tomography”, Phys. Med. Biol. 60 1461 – 1476 (2015).

  • F. Ballester, Å. Carlsson Tedgren, D. Granero, A. Haworth, F. Mourtada, G. Paiva Fonseca, K. Zourari, P. Papagiannis, M. Rivard, F. Siebert, R. Sloboda, R. L. Smith, R. M. Thomson, F. Verhaegen, J. Vijande, Y. Ma, and L. Beaulieu, A generic high-dose-rate 192-Ir brachytherapy source for evaluation of model-based dose calculations beyond TG-43 formalism, Med. Phys. 42, 3048 (2015)

  • M. Lesperance, M. Martinov, and R. M. Thomson, Monte Carlo dosimetry for 103Pd, 125I, and 131Cs ocular brachytherapy with various plaque models using an eye phantom, Med. Phys. 41, 031706 (2014).

  • M. Lesperance, M. Inglis-Whalen, and R. M. Thomson, Model-based dose calculations for COMS eye plaque brachytherapy using an anatomically realistic eye phantom, Med. Phys. 41, 021717 (2014).

  • J. G. H. Sutherland, N. Miksys, K. M. Furutani, and R. M. Thomson, Metallic artifact mitigation and organ-constrained tissue assignment for Monte Carlo calculations of permanent implant lung brachytherapy, Med. Phys. 41, 011712 (2014).

  • J. G. H. Sutherland, K. M. Furutani, and R. M. Thomson, Monte Carlo calculated doses to treatment volumes and organs at risk for lung brachytherapy, Phys. Med. Biol., 58, 7061 - 7080 (2013). Institute of Physics (IOP) Featured Article: Article of high-interest across IOP content. Featured on Medical Physics Web as the PMB Editor's Choice (week of October 7, 2013)

  • J. G. H. Sutherland, K. M. Furutani, and R. M. Thomson, A Monte Carlo investigation of lung brachytherapy treatment planning, Phys. Med. Biol. 58, 4763 - 4780 (2013). Featured on Medical Physics Web as the PMB Editor's Choice (week of June 24, 2013)

  • R. M. Thomson, A. Carlsson Tedgren, and J. F. Williamson, On the biological basis for competing macroscopic dose descriptors for kilovoltage dosimetry: cellular dosimetry for brachytherapy and diagnostic radiology, Phys. Med. Biol. 58, 1123 - 1150 (2013).

  • Y. Ahuja, K. G. Kapoor, R. M. Thomson, K. M. Furutani, R. W. Shultz, S. L. Stafford, S. Dev, N. E. Abu-Yaghi, D. Reynolds, and J. S. Pulido, The effects of intraocular silicone oil placement prior to I-125 brachytherapy for uveal melanoma: a clinical case series, Eye 26, 1487-1489 (2012).

  • E. S. M. Ali, M. R. McEwen and D. W. O. Rogers, “Unfolding linac photon spectra and incident electron energies from experimental transmission data, with direct independent validation”, Med. Phys. 39 6585 – 6596 (2012)

  • L. Beaulieu, A. Carlsson Tedgren, J.-F. Carrier, S. D. Davis, F. Mourtada, M. J. Rivard, R. M. Thomson, F. Verhaegen, T. A. Wareing, and J. F. Williamson, Report of the Task Group 186 on model-based dose calculation techniques in brachytherapy beyond the TG-43 formalism: Current status and recommendations for clinical implementation, Med. Phys. 39 , 6208-6236 (2012).

  • S.-T. Chiu-Tsao, M. A. Astrahan, P. T. Finger, D. S. Followill, A. S. Meigooni, C. S. Melhus, F. Mourtada, M. E. Napolitano, R. Nath, M. J. Rivard, D. W. O. Rogers, and R. M. Thomson, Dosimetry of 125I and 103Pd COMS eye plaques for intraocular tumors: Report of Task Group 129 by the AAPM and ABS, Med. Phys. 39 , 6161 - 6184 (2012).

  • J. G. H. Sutherland, K. M. Furutani, Y. I. Garces, and R. M. Thomson, Model-based dose calculations for 125I lung brachytherapy, Med. Phys. 39 , 4365 - 4377 (2012).

  • E. S. M. Ali and D. W. O. Rogers, “An improved physics-based approach for unfolding megavoltage bremsstrahlung spectra using transmission analysis”, Med. Phys. 39 1663 – 1675 (2012).

  • E. S. M. Ali and D. W. O. Rogers, “Functional forms for photon spectra of clinical linacs”, Phys. Med. Biol. 55 31 – 50 (2012).

  • G. O. Sawakuchi and E. G. Yukihara. “Analytical modeling of relative luminescence efficiency of Al2O3:C optically stimulated luminescence detectors (OSLDs) exposed to high-energy heavy charged particles,” Phys. Med. Biol., accepted (2011).

  • A. Anand, N. Sahoo, X. R. Zhu, G. O. Sawakuchi, F. Poenisch, R. A. Amos, G. Ciangaru, U. Titt, K. Suzuki, R. Mohan and M. T. Gillin. “A procedure to determine the planar integral spot dose values of proton pencil beam spots,” Med. Phys., accepted (2011).

  • J.G.H. Sutherland, R. M. Thomson and D. W. O. Rogers, Changes in dose with segmentation of breast tissues in Monte Carlo calculations for low-energy brachytherapy, Med. Phys.  38, 4858-4865 (2011).

  • C. L. Deufel, K. M. Furutani, R. M. Thomson, and J. A. Antolak, Mathematical solutions of the TG-43 geometry function for curved line, ring, disk, sphere, dome and annulus sources, and applications for quality assurance, Phys. Med. Biol. 56, 5429-5444 (2011).

  • R. M. Thomson and I. Kawrakow, On the Monte Carlo simulation of electron transport in the sub-1 keV energy range, Med. Phys.  38, 4531-4534 (2011).  [Medical Physics Letter]

  • B. R. Muir, M. R. McEwen, and D. W. O. Rogers, Measured and Monte Carlo calculated kQ factors, Med. Phys. 38, 4600 - 4609 (2011).

  • D. W. O. Rogers, Janelle A. Molloy, and Colin G. Orton, Point/Counterpoint: All graduate medical physics programs should have an original research component, Medical Physics 38, 2315 - 2317 (2011).

  • B. R. Muir and D. W. O. Rogers, The central electrode correction factor for high-Z electrodes in small ionization chambers, Medical Physics 38, 1081 - 1088 (2011).

  • J. A. Bartz, G. J. Sykora, T. H. Underwood, D. N. Nichiporov, G. O. Sawakuchi and M. S. Akselrod, Evaluation of aluminum oxide fluorescent and OSL detectors in proton radiotherapy beams, Radiat. Meas. 46, 1974-1978 (2011).

  • L. A. Perles, D. Mirkovic, G. O. Sawakuchi and U. Titt, Monte Carlo investigation of rebinning material density distributions of lung parenchyma phantoms in proton therapy, Nucl. Tech. 175, 22-26 (2011).

  • Mark J. Rivard, Sou-Tung Chiu-Tsao, Paul T. Finger, Ali S. Meigooni, Christopher S. Melhus, Firas Mourtada, Mary E. Napolitano, D. W. O. Rogers, Rowan M. Thomson and Ravinder Nath, Comparison of dose calculation methods for brachytherapy of intraocular tumors, Medical Physics 38, 306 - 311 (2011).

  • B. R. Muir and D. W. O. Rogers, Monte Carlo calculations of kQ, the beam quality conversion factor Medical Physics 37 (2010) 5939 -- 5950

  • U. Titt, D. Mirkovic, G. O. Sawakuchi, L. A. Perles, W. D. Newhauser, P. J. Taddei and R. Mohan. "Adjustment of lateral and longitudinal size of scanned proton-beam spots using a pre-absorber", Phys. Med. Biol. 55, 7097-7106 (2010)

  • G. O. Sawakuchi, D. Mirkovic, L. A. Perles, G. Ciangaru, N. Sahoo, X. R. Zhu, K. Suzuki, M. T. Gillin, R. Mohan and U. Titt. "An MCNPX model of a scanning proton beam therapy nozzle", Med. Phys. 37, 4960-4970 (2010)

  • G. O. Sawakuchi, N. Sahoo, P. Gasparian, M. Rodriguez, L. Archambault, U. Titt and E. G. Yukihara. "Determination of LET of therapeutic proton beams using the optically stimulated luminescence of Al2O3:C detectors", Phys. Med. Biol. 55, 4963-4976 (2010)

  • R. M. Thomson, K. M. Furutani, J. S. Pulido, S. L. Stafford and D. W. O. Rogers, Modified COMS plaques for 125I and 103Pd iris melanoma brachytherapy, Int. J. Radiat. Oncol. Biol. Phys. (Red Journal) 78, 1261 -- 1269 (2010)

  • G. O. Sawakuchi, X. R. Zhu, F. Poenisch, K. Suzuki, U. Titt, A. Anand, R. Mohan, M. T. Gillin and N. Sahoo. "Experimental characterization of the low-dose envelope of proton pencil beams", Phys. Med. Biol. 55, 3467-3478 (2010)

  • E. G. Yukihara, P. B. R. Gasparian, G. O. Sawakuchi, C. Ruan, S. Ahmad, C. Kalavagunta, W.J. Clouse, N. Sahoo and U. Titt. "Medical applications of optically stimulated luminescence dosimeters (OSLDs)", Radiat. Meas. 45, 658-662 (2010)

  • G. O. Sawakuchi, U. Titt, D. Mirkovic, G. Ciangaru, X. R. Zhu, N. Sahoo, M. T. Gillin and R. Mohan. "Monte Carlo investigation of the low-dose envelope from scanned proton pencil beams", Phys. Med. Biol. 55, 711-721 (2010)

  • M. T. Gillin, N. Sahoo, M. Bues, G. Ciangaru, G. O. Sawakuchi, F. Poenisch, B. Arjomandy, C. Martin, U. Titt, K. Suzuki, A. R. Smith and X. R. Zhu. "Commissioning of the discrete spot scanning proton beam delivery System at the University of Texas M.D. Anderson Cancer Center, Proton Therapy Center, Houston", Med. Phys. 37, 154-163 (2010)

  • R. M. Thomson and D. W. O. Rogers, Re-evaluation of the product of (W/e)air and the graphite to air stopping-power ratio for 60Co air kerma standards Physics in Medicine and Biology 55,  3577-3595 (2010).

  • L. L. W. Wang and D. W. O. Rogers, Reply to 'On the pdis correction factor for cylindrical chambers', Physics in Medicine and Biology 55, L17 - L19 (2010).

  • J. G. H. Sutherland and D. W. O. Rogers, Monte Carlo calculated absorbed-dose energy dependence of EBT and EBT2 film, Medical Physics 37, 1110 - 1116 (2010).

  • L. L. W. Wang and D. W. O. Rogers, Replacement correction factors for plane-parallel ion chambers in electron beams, Medical Physics 37, 461 - 465 (2010)

 

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