Residents

Residents

The current residents in the program are:

1. Yading Yuan Ph.D. He graduated with a Ph.D. from the University of Chicago CAMPEP program working under the supervision of Dr. MaryEllen Geiger and entered the program on July 1st, 2010. He performed research under the supervision of Dr. Thomas Bortfeld at MGH. Now in his third year, he has rotations in treatment equipment, dosimetry, simulations and treatment planning, radiation safety and brachytherapy. He passed part I of the ABR boards.
2. Jennifer Pursley Ph.D. She graduated with a Ph.D. degree from Johns Hopkins University, followed by post-doctoral work at the University of Wisconsin (Madison) working at Fermilab and entered the program on July 1st, 2010. She performed research under the supervision of Dr. Robert Cormack at the BWH. Now in her third year, she has begun rotations in treatment equipment, dosimetry, simulations and treatment planning, radiation safety and brachytherapy.
3. Kent Riley Ph.D. He graduated with a Ph.D. in Nuclear Engineering from MIT. This was followed by post-doctoral work at MIT on the boron neutron capture therapy project. He performed research in his first year under the supervision of Dr. Gregory Sharp at MGH. He has begun her clinical rotations.
4. Sara St. James Ph.D. She graduated from the CAMPEP program at McGill University with an M.Sc. in Medical Physics. She gained her Ph.D. from the University of California at Davis in Biomedical Engineering working under Dr. Simon Cherry. She performed research under the supervision of Dr. John Lewis at BWH. She has begun her clinical rotations.
5. Mingyao Zhu, Ph.D. She graduated with a Ph.D. in Physics from the College of William and Mary; has been a post-doctoral research associate in the Applied Science Department at College of William and Mary, and also has been a post-doctoral research associate in radiation oncplogy at Washington University School of Medicine. She has performed research on adaptive treatment techniques using fiducial markers. She has passed Part I of the ABR. She is currently in her research year working on an imaging project for proton beams under the supervision of Dr. B. Winey.
6. Christopher Williams, Ph.D. He graduated with a Ph.D. in Astrophysics from the Massachusetts Institute of Technology, and has contributed to the development and commissioning of the Murchison Widefield Array aimed at studying the Epoch of Reionization of the Universe. He is currently in his first research year working on dose assessment for SBRT lung treatments based on 3D images of patient anatomy during treatments under the supervision of Dr. J. Lewis..

Graduated residents

1. Yi Wang Ph.D. He graduated in June 2012 from our CAMPEP accredited program, and is employed full time as a radiation oncology physicist at MGH, Boston, MA.
2. Zhaohui Han Ph.D. He graduated in June 2012 from our CAMPEP accredited program, and is employed full time as a radiation oncology physicist at BWH, Boston, MA.

Publications

Z. Han, S. K. Ng, M. S. Bhagwat, Y. Lyatskaya, and P. Zygmanski "Evaluation of MatriXX for IMRT and VMAT dose verifications in peripheral dose regions." Med. Phys. 37: 3704-3714; 2010.

P. Tsiamas, J. Seco, Z. Han, M. Bhagwat, J. Maddox, C. Kappas, K. Theodorou, M. Makrigiorgos, K. J. Marcus, and P. Zygmanski "A modification of flattening filter free linac for IMRT." Med. Phys. 38: 2342-2352; 2011.

M. S. Bhagwat, Z. Han, and P. Zygmanski "An oscillating sweeping gap test for VMAT quality assurance." Phys. Med. Biol. 55; 5029-5044; 2010.

M. S Bhagwat, Z. Han, S. Kie. Ng and P. Zygmanski. "An oscillating sweeping gap test for VMAT quality assurance." Phys. Med. Biol. 55: 5029-5044; 2011.

Y. Wang, J. A. Efstathiou, G. C. Sharp, H. Lu, I. Ciernik, A. Trofimov, "Evaluation of the dosimetric impact of inter-fractional anatomical variations on prostate proton therapy using daily in-room CT images," Med. Phys. 38: 4623-4633; 2011.

A. Trofimov, P. L. Nguyen, J. A. Efstathiou, Y. Wang, H. Lu, M. Engelsman, S.Merrick, C. Cheng, J. R. Wong and A. L. Zietman, "Interfractional variations in the setup of pelvic bony anatomy and soft tissue, and their implications on the delivery of proton therapy for localized prostate cancer," Int. J. Radiat. Oncol. Biol. Phys. 80: 928-937; 2011.

J. Pursley, P. Risholm, A. Fedorov, K. Tuncali, F. M. Fennessy, W. Wells III, C. M. Tempany, and R. A. Cormack, "A Bayesian non-rigid registration method to enhance intra-operative target definition in image-guided prostate procedures through uncertainty characterization." Accepted for publication in Med. Phys. 2012

Y. Yuan, O.C. Andronesi, T.R. Bortfeld, C. Richter, R. Wolf, A.S. Guimasraes, T.S. Hong, and J. Seco, "Feasibility study of in vivo MRI based dosimetric verification of proton end-of-range for liver cancer patients," Radiother Oncol (Under review 2012)

P. Mishra, R. Li, S. St. James, R. H. Mak, C. L. Williams, Y. Yue, R. I. Berbeco and J. H. Lewis "Evaluation of 3D fluoroscopic image generation from a single planar treatment image on patient data with a modified XCAT phantom", Submitted to Physics in Medicine and Biology (August 2012)

S. St. James, J. Seco, P. Mishra and J. H. Lewis, "A dynamic 4D Monte Carlo framework to quantitatively evaluate limitations of 4D treatment planning in external beam radiation therapy" Submitted to Physics in Medicine and Biology (August 2012).

P. Mishra, S. St. James, W. P. Segars, R. I Berbeco and J. H. Lewis, "Adaptation and applications of a realistic digital phantom based on patient lung tumor trajectories" June 2012, Physics in Medicine and Biology, 57 3597

S. St. James, P. Mishra, R. I. Berbeco and J. H. Lewis, "Quantifying ITV Instabilities Arising from 4DCT: a simulation study using patient data", March 2012, Physics in Medicine and Biology, 57 L1-L7 (Editor's Choice Article)

E. Cascio, K. J. Riley, J. McCormack and R.Flanagan "Single Event Effects in Power MOSFETs Due to the Secondary Neutron Environment in a Proton Therapy Center." IEEE Trans. Nucl. Sci. in press 2012.

K.J. Riley, J. Seco and P.J. Binns "Measurements of the prompt gamma signal in a clinical proton therapy environment." Trans. Am. Nucl. Soc. 106: 77-79 2012.

Presentations

Z. Han, S. K. Ng, M. S. Bhagwat, Y. Lyatskaya, and P. Zygmanski "Evaluation of MatriXX in peripheral dose regions for IMRT and VMAT dose verifications." The AAPM 52nd Annual Meeting, July 18 – 22, 2010, Philadelphia, PA, USA.

Z. Han, P. Nitsch, Y. Lyatskaya, K. J. Marcus, and P. Zygmanski "Comparison of RapidArc and IMRT peripheral doses for pediatric patients based on measured and TPS doses." The AAPM 52nd Annual Meeting, July 18 – 22, 2010, Philadelphia, PA, USA.

Z. Han "VMAT – is it better in sparing normal tissue than IMRT?" Peter Neurath Young Investigator's Symposium, NEAAPM, April 29, 2010, Boston, MA, USA.

Z. Han, P. Nitsch, Y. Lyatskaya, M. Makrigiorgos, K. J. Marcus and P. Zygmanski "Assessing the accuracy of treatment planning system calculated out–of –target doses in IMRT and VMAT plans through 2D measurements." The 2011 Joint AAPM/COMP Meeting, July 31 – August 4, 2011, Vancouver, Canada.

P. Zygmanski, C. Abkai, Z. Han, and J. Hesser "A Low-Cost Thin-Film Digital Detector for KV and MV Dosimetry." The 2011 Joint AAPM/COMP Meeting, July 31 – August 4, 2011, Vancouver, Canada.

Y. Wang, J. Efstathiou, I. Ciernik, G. Sharp, H. Lu and A. Trofimov, "Dosimetric impact of Inter-fractional variations in proton therapy of prostate cancer: Assessment of dose accumulation and plan robustness using daily in-room CT images," 2010 AAPM Annual Meeting.

A. Trofimov, Y. Wang, and J. Efstathiou, S. Merrick and J. Wong, "Considerations of inter-observer and inter-fractional anatomical variability in estimating the beam range uncertainty in proton therapy of prostate cancer," 2010 AAPM Annual Meeting; Med. Phys. 37, 3409-3410; 2010.

A. Ding, J. Gu, M. Mille, X Xu, Y. Wang and A. Trofimov, "Methods to account for imaging doses from diagnostic MDCT or kilovoltage CBCT in prostate treatment planning: Monte Carlo studies using scanner models and patient-specific anatomy," 2010 AAPM Annual Meeting.

Y. Wang, J. A. Efstathiou, H. Lu, G. C. Sharp, and A. Trofimov, "Optimal frequency of CT imaging for monitoring target volume and estimating delivered dose in standard and hypofractionated prostate proton therapy," 2011 Joint AAPM/COMP Meeting.

Y. Wang, J. A. Efstathiou, H. Lu, G. C. Sharp, and A. Trofimov, "Dose delivery uncertainty and CT imaging frequency in hypofractionated and stereotactic prostate proton therapy," 2011 ASTRO Annual Meeting.

Y. Wang and A. Trofimov, "Hypofractionated proton therapy of prostate cancer: The impact of uncertainties in dose delivery and alpha/beta ratio on tumor dose escalation," 2012 AAPM Meeting.

Y. Wang, R. J. Schneider, B. T. Crawford, H. Chen, A. V. Trofimov, D. P. Gierga, J. A. Efstathiou, A. L. Zietman, and H. Lu, "Comparison of imaging dose from daily cone-beam CT to out-of-field therapeutic dose in IMRT and VMAT treatments of prostate cancer," 2012 ASTRO Annual Meeting; 2012.

N. Shusharina, Y. Wang, G. C. Sharp, "Enhancement of registration accuracy using landmark information," 2011 Joint AAPM/COMP Meeting.

J. Pursley, P. Risholm, A. Fedorov, K. Tuncali, F. Fennessy, W. Wells, C.M. Tempany, R. A. Cormack,"Evaluation of a probabilistic non-rigid registration method for improved intra-operative target definition in I-125 permanent prostate implants", 2011 Joint AAPM/COMP Meeting. Med. Phys. 38: 3820; 2011

J. Pursley, T. Mauceri, and A. Sliski, "A Fiber Optic Dosimeter to Calibrate P-32 Conformal Brachytherapy Sources." Med. Phys. 39: 3931; 2012.

Y. Yuan, O. Andronesi, T. Bortfeld, A. Guimaraes, T. Hong, and J. Seco, "Feasibility study of MRI in accessing in vivo proton end-of-range for liver cancer," presented at the 2011 Joint AAPM/COMP Meeting.

Y. Yuan, O. Andronesi, T. Bortfeld, A. Guimasraes, T. Hong, and J. Seco, "Feasibility study of MRI in assessing in vivo proton end-of-range for liver cancer,", Presented at the 53rd Annual Meeting of American Association of Physicists in Medicine, Vancouver, Canada, July 2011

Y. Yuan, O. Andronesi, T. Bortfeld, R. Wolf, A. Guimasraes, T. Hong, and J. Seco, "In-vivo dosimetric verification of hypo-fractionated proton radiation therapy of the liver with hepatocyte-specific functional MRI", Presented at the Young Investigator Symposium of American Association of Physicists in Medicine New England Chapter, Boston MA, April 2012

S. St. James, J. Seco, P. Mishra and J. H. Lewis, "Imaging for Radiation Therapy of Moving Tumors: Optimization of Imaging Protocols for Internal Target Volume Definition and Monte Carlo Simulations of Dose Delivery" 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference, Oct 29- Nov 3 2012, Anaheim, CA

S. St. James, P. Mishra, R. I. Berbeco and John H. Lewis "ITV Variations as a Function of CT Geometry and Scan Time : A Simulation Study Using Patient Data", 2012 AAPM Annual Meeting, July 12-Aug 2 Charlotte NC

P Mishra, R Li, S St. James, Y Yue, R Mak, R Berbeco, J Lewis "Generation of Fluoroscopic 3D Images Using Single X-Ray Projections On Realistic Modified XCAT Phantom Data" 2012 AAPM Annual Meeting, July 12-Aug 2 Charlotte NC

P Mishra, S St. James, W Segars, R Berbeco, J Lewis "Patient Lung Tumor Trajectory Based Modified-XCAT and Its Applications" 2012 AAPM Annual Meeting, July 12-Aug 2 Charlotte NC

S. St. James, J. Seco, P. Mishra and John H. Lewis, "Monte Carlo simulations of the dosimetric impact of ITV variations in stereotactic body radiation therapy" 2012 NEAAPM Young Investigators Symposium, April 30, Boston MA

K.J. Riley, E. Cascio and G. Sharp, "Neutron Damage of Power Electronics Used During Image Guidance in Proton Therapy." Med. Phys. 39: 3739 2012 AAPM Annual Meeting.

K.J. Riley, J. Seco and P.J. Binns, "Measurements of the prompt gamma signal in a clinical proton therapy environment." 2012 Annual Meeting of the American Nuclear Society