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Abstract # 2879 Predicting Isocenter Shift due to Prostate Motion and Selecting Patient Specific Posterior Margin for IGRT in the External Beam Treatment of Prostate Cancer

Presenter: Cheng, Chee-wai

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About the Presenter:
Department of Radiation Oncology, Morristown Memorial Hospital, 100 Madison Ave., Morristown NJ 07960

Office: (973) 971-5675, Fax: (973) 290-7286, Email: cheewai.cheng@ahsys.org

EDUCATION: 1973: B.Sc., University of Hong Kong, Hong Kong (Physics, Honors); 1976: M.Sc., University of Toronto, Toronto, Ontario (Physics); 1979: Ph.D., University of Toronto, Toronto, Ontario (Physics)

ACADEMIC APPOINTMENTS: 1985-1986 Clinical Fellow, Department of Radiation Therapy, Harvard Medical School, Boston, MA; 1986 Instructor, Department of Radiation Therapy, Harvard Medical School, Boston, MA; 1990 Assistant Professor, Clinical Radiation Oncology, Department of Radiation Oncology, University of Arizona, Tucson, AZ; 1995 Associate Professor, Clinical Radiation Oncology, Department of Radiation Oncology, University of Arizona, Tucson, AZ.

PRESENT HOSPITAL APPOINTMENTS: Chief physicist, Department of Radiation Oncology, Morristown Memorial Hospital, Morristown, New Jersey

AWARDS AND HONORS: 1973-1979 Edwards Christie Stevens Scholarship for Research in Nuclear Physics. 1979-1981 Postdoctoral Fellowship, Nuclear Physics Laboratory, Queen’s University, Kingston, Ontario. 1984 Postdoctoral Research Fellowship, Manitoba Cancer Treatment and Research Foundation, Winnipeg, Manitoba. 1992 AAPM Medical Physics Travel Award. 1995, 1996 Who’s Who in Science and Engineering. 1997 Foreign Travel Grant, University of Arizona. 2007 Fellow of AAPM.

GRANTS AND CONTRACTS: 1993 Biomedical Research Support Grant, Principle Investigator. Project title: Portal imaging with computed radiography. Elsa Pardee Foundation, Principle Investigator Project title: Determination of the optimal screen for a computed radiography cassette used for portal imaging. 1994 NIH Small Business Innovation Research Grant, Phase I (co-investigator) Project title: Improved detector for electronic radiotherapy imaging. 1995 Industrial contract with InfiMed to develop a high performance real time portal imager (co-investigator). 1998 Industrial contract with InfiMed to develop a high performance real time portal imager (co-investigator).

PRESENT MEMBERSHIPS, OFFICES AND COMMITTEE ASSIGNMENTS: Quality Assurance and Quality Improvement Subcommittee, Therapy Physics Committee. Task Group 155, AAPM. Small Fields and Non-Equilibrium Condition Photon Beam Dosimetry

PROFESSIONAL CERTIFICATION AND LICENSURE 1989 Therapeutic Radiological Physics, American Board of Radiology. COMS physicist (Collaborative Ocular Melanoma study)

PATENTS Methods for producing a range of therapeutic radiation energy levels. US Patent 6,459,762, 2002 EP Patent 1,368,093, 2003 WO Patent WO/2002/071,919, 2002

BOOKS AND MONOGRAPHS: 1. Cheng, C.W. CT-MR Treatment Planning Interface. Medical Physics Monograph, No. 17: 316-332, 1990. 2. Cheng, C.W. Conformal Therapy. Medical Physics Monograph, No. 17: 341-354, 1990.

MANUSCRIPTS PUBLISHED IN JOURNALS AND CONFERENCE PROCEEDINGS: 67 Sample Publications in 2008 : - Das IJ, Cheng CW, Chopra K, Mitra RK, Srivastava S, Glatstein E. IMRT dose prescription, recording and delivery: a pattern of variability among institutions and treatment planning systems. J Nat. Can. Inst. 100:300-307, 2008. - Wong JR, Gao Z, Uematsu M, Merrick S, Machernis NP, Chen T, Cheng CW. Interfractional prostate shifts-Review of 1870 CT scans obtained during Image Guided Radiation Therapy using a Primatom for the Treatment of Prostate Cancer. Int. J. Radiat. Oncol. Biol. Phys. (In Press) 2008. - Das IJ, Cheng CW, Ahnesjö, A, Gibbons J, Li XA, Lowenstein J, Mitra RK, Simons WE, Watts RJ, Zhu TZ. Accelerator beam data commissioning equipment and procedures: Report of the TG-106 of the Therapy Physics Committee of the AAPM. Med. Phys. 35: 4186-4215, 2008. - Wong JR, Gao Z, Uematsu M, Merrick S, Machernis NP, Chen T, Cheng CW. The influence of patient’s obesity on prostate shift in fractionated prostate cancer. Int. J. Radiat. Oncol. Biol. Phys. (In Press) 2008. - Das IJ, Cheng CW, Chopra K, Mitra RK, Srivastava S, Glatstein E. Letter to the Editor. IMRT dose prescription, recording and delivery: a pattern of variability among institutions and treatment planning systems. J Nat. Can. Inst. 100:300-307, 2008.

CONFERENCE ABSTRACTS: 117

Authors:
C. Cheng1, J. R. Wong1, S. Merrick1, B. Langley2, J. Z. Gao1, 1Morristown Memorial Hospital, Morristown, NJ, 2Stevens Institute of Technology, Hoboken, NJ

Author Disclosure:
 C. Cheng, None; J.R. Wong, None; S. Merrick, None; B. Langley, None; J.Z. Gao, None.

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41. Predicting Isocenter Shift Due To Prostate Motion and Selecting Patient Specific Posterior Margi:



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