Faculty & Staff

Chamith S. Rajapakse, Ph.D.

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Research Assistant Professor of Radiology
Department: Radiology

Contact information
253 S 45th Street
Philadelphia, PA 19104
Office: 215-349-8519
Fax: 215-662-7263
Education:
B.Sc. (Electrical Engineering)
University of Peradeniya, Sri Lanka, 1998.
Ph.D. (Physics)
University of Houston, Texas, 2005.
M.S. (Computer Science)
University of Houston, Texas, 2005.
Post-Graduate Training
Postdoctoral Researcher - Medical Imaging, University of Pennsylvania, 2006-2011.
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Description of Research Expertise

I am developing imaging and biomechanics methods to assess changes in bone resulting from disease and therapeutic intervention.

Selected Publications

Li C, Seifert A, Saligheh Rad H, Rajapakse CS, Sun W, Lam SCB, Wehrli FW. : MRI Measures of Cortical Bone Water Concentration: Dependence on Age and Pore Volume Fraction. Radiology May 2014 Notes: Epub ahead of print.

Seifert AC, Li C, Rajapakse CS, Bashoor-Zadeh M, Bhagat YA, Wright AC, Zemel BS, Zavaliangos A, Wehrli FW: Bone mineral (31) P and matrix-bound water densities measured by solid-state (31) P and (1) H MRI. NMR Biomed May 2014 Notes: Epub ahead of print.

Al Mukaddam M, Rajapakse CS, Bhagat YA, Wehrli FW, Guo W, Peachey H, LeBeau SO, Zemel BS, Kappor SC, Snyder PJ. : Effects of testosterone and growth hormone on the structural and mechanical properties of bone by micro-MRI in the distal tibia of men with hypopituitarism. JCEM 99(4): 1236-44, April 2014.

Chang G, Honig S, Egol K, Brown R, Deniz CM, Babb JS, Regatte RR, Rajapakse CS: Finite Element Analysis Applied to 3-T MR Imaging of Proximal Femur Microarchitecture: Lower Bone Strength in Patients with Fragility Fractures Compared with Control Subjects. Radiology April 2014 Notes: Epub ahead of print.

Chang G, Honig S, Liu Y, Chen C, Chu KK, Rajapakse CS, Egol K, Xia D, Saha PK, Regatte RR : 7 Tesla MRI of bone microarchitecture discriminates between women without and with fragility fractures who do not differ by bone mineral density. J Bone Miner Metab Apr 2014 Notes: Epub ahead of print.

Wink JD, Gerety PA, Sherif RD, Lim Y, Clarke NA, Rajapakse CS, Nah HD, Taylor JA.: Sustained delivery of rhBMP-2 via PLGA microspheres: cranial bone regeneration without heterotopic ossification or craniosynostosis. Plastic and Reconstructive Surgery March 2014 Notes: Epub ahead of print.

Rajapakse CS, Chang G.: Impact of body habitus on radiologic interpretations. Acad Radiol 21(1): 1-2, Jan 2014 Notes: Invited guest editorial.

N. Zhang, J. Magland, C. S. Rajapakse, F. W. Wehrli: Registration-Based Motion Correction in Time-Series Studies of Bone Microarchitecture and Mechanics. ISMRM, Milan, Italy 2014 Notes: Poster.

C. S. Rajapakse, M. Bashoor-Zadeh, C. Li, W. Sun, A. C. Wright, F. W. Wehrli: A clinically feasible method to assess cortical bone porosity using ultrashort echo-time MRI. ORS, New Orleans, Louisiana 2014 Notes: Oral.

A. C. Seifert, C. Li, C. S. Rajapakse, M. Bashoor-Zadeh, Y. A. Bhagat, A. C. Wright, B. Zemel, A. Zavaliangos, and F. W. Wehrli: Bone Mineral and Matrix Densities Measured by Solid-State 1H and 31P MRI. ISMRM, Milan, Italy 2014 Notes: Poster.

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Last updated: 07/29/2014
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