Chamith S. Rajapakse, Ph.D.

faculty photo
Associate Professor of Radiology
Department: Radiology
Graduate Group Affiliations

Contact information
1 Founders Building
3400 Spruce Street
Philadelphia, PA 19104
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.
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Description of Research Expertise

Medical Imaging, AI, Orthopaedic Engineering

Selected Publications

Torgersen J, Newcomb CW, Carbonari DM, Smith SM, Brecker KL, Rajapakse CS, Jones BC, Cottrell C, Grewal R, Price JC, Baker JF, Kostman JR, Trooskin S, Hubbard RA, Zemel BS, Leonard MB, Lo Re Iii V: Magnetic resonance evaluation of three-dimensional liver fat fraction by hepatitis C status and associations with inflammatory cytokines. PLoS One 20(7): e0327668, Jul 2025.

Madi R, Khan S, Rajapakse CS, Khan AN, Temme K: Can Trabecular Bone Score Enhance Fracture Risk Assessment in Long-Distance Runners With Bone Stress Injuries? Clin J Sport Med 35(2): 127-131, Mar 2025.

Querido W, Shanas N, Radway AP, Jones BC, Ispiryan M, Zhao H, Hast MW, Rajapakse CS, Pleshko N: The Multifactorial Relationship Between Bone Tissue Water and Stiffness at the Proximal Femur. Calcif Tissue Int 116(1): 33, Jan 2025.

Kargilis DC, Xu W, Reddy S, Ramesh SSK, Wang S, Le AD, Rajapakse CS: Deep learning segmentation of mandible with lower dentition from cone beam CT. Oral Radiol 41(1): 1-9, Jan 2025.

Vu BD, Kamona N, Kim Y, Ng JJ, Jones BC, Wehrli FW, Song HK, Bartlett SP, Lee H, Rajapakse CS: Three contrasts in 3 min: Rapid, high-resolution, and bone-selective UTE MRI for craniofacial imaging with automated deep-learning skull segmentation. Magn Reson Med 93(1): 245-260, Jan 2025.

Sorci OR, Madi R, Kim SM, Batzdorf AS, Alecxih A, Hornyak JN, Patel S, Rajapakse CS: Normative vertebral deformity measurements in a clinically relevant population using magnetic resonance imaging. World J Radiol 16(12): 749-759, Dec 2024.

Kamona N, Ng JJ, Kim Y, D Vu BT, Vossough A, Wagner CS, Cordray H, Lee H, Villavisanis DF, Rajapakse CS, Bartlett SP, Wehrli FW: Craniofacial Imaging of Pediatric Patients by Ultrashort Echo-Time Bone-Selective MRI in Comparison to CT. Acad Radiol 31(11): 4629-4642, Nov 2024.

Tong Y, Udupa JK, McDonough JM, Wu C, Xie L, Rajapakse CS, Gogel S, Sarkar S, Mayer OH, Anari JB, Torigian DA, Cahill PJ: Characterizing Lung Parenchymal Aeration via Standardized Signal Intensity from Free-breathing 4D Dynamic MRI in Phantoms, Healthy Children, and Pediatric Patients with Thoracic Insufficiency Syndrome. Radiol Cardiothorac Imaging 6(4): e230262, Aug 2024.

Paul O, Akolia IK, Qin Tao J, Jain N, Louneva N, Montone KT, Fisher AB, Rajapakse CS, Bermudez C, Chatterjee S: Reactive oxygen species in endothelial signaling in COVID-19: Protective role of the novel peptide PIP-2. PLoS One 19(5): e0289854, May 2024.

Tong Y, Udupa JK, McDonough JM, Xie L, Hao Y, Akhtar Y, Wu C, Rajapakse CS, Gogel S, Mayer OH, Anari JB, Torigian DA, Cahill PJ: Virtual Growing Child (VGC): A general normative comparative system via quantitative dynamic MRI for quantifying pediatric regional respiratory anomalies with application in thoracic insufficiency syndrome (TIS). bioRxiv preprint: 591554, Apr 2024.

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Last updated: 09/08/2025
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