Description of Research Expertise

oncologic imaging (lung cancer, melanoma, lymphoma, GI, GU, and gyn cancers)
inflammation imaging
aging imaging
translational research imaging
thoracoabdominopelvic imaging
CT imaging
MR imaging
PET, PET/CT, and PET/MR imaging
functional and molecular imaging
quantitative imaging/image analysis
all types of imaging response assessment on CT, MRI, and PET

Selected Publications

Ahmadzadeh AM, Lomer NB, Torigian DA.: Radiomics and machine learning models for diagnosing microvascular invasion in cholangiocarcinoma: a systematic review and meta-analysis of diagnostic test accuracy studies. Clin Imaging 121 : 2025 In Press.

Pierson SK, Brandstadter JD, Torigian DA, Bagg A, Lechowicz MJ, Alapat D, Casper C, Chadburn A, Chandrakasan S, Dispenzieri A, Fossa A, Hoffmann C, Ide M, Kurzrock R, Mukherjee S, Nasta S, Navarro J-T, Noy A, Oksenhendler E, Bustamante M, Shyamsundar S, Streetly M, Wong RSM, Zhang L, Lim MS, Srkalovic G, van Rhee F, Fajgenbaum DC.: Characterizing the heterogeneity of Castleman disease and oligocentric subtype: Findings from the ACCELERATE registry. Blood Adv : 2025 In Press.

Dai J, Udupa JK, Torigian DA, Tong Y, Liu T.: A one-shot/few-shot interactive segmentation method for CT image segmentation. Proc SPIE 13407, Medical Imaging 2025: Computer-Aided Diagnosis, 134073D (4 April 2025); https://doi.org/10.1117/12.3047122 13407 (134073D): 2025.

Hao Y, Udupa JK, Tong Y, Wu C, Gogel S, Biko DM, Mayer OH, McDonough JM, Cahill PJ, Torigian DA, Anari JB.: Respiratory volume prediction for pediatric TIS patients with MAGEC rod treatment from pre-operative dynamic MRI and chest radiographs. Proc SPIE 13405, Medical Imaging 2025: Physics of Medical Imaging, 134051T (8 April 2025); https://doi.org/10.1117/12.3047707 13405 (134051T): 2025.

Xie L, Tong Y, Torigian DA, Wu C, Gogel S, Biko DM, Mayer OH, McDonough JM, Cahill PJ, Anari JB, Udupa JK.: Semi-automatic anatomy segmentation in thoracic dynamic MRI based on Segment Anything Model. Proc SPIE 13406, Medical Imaging 2025: Image Processing, 1340635 (11 April 2025); https://doi.org/10.1117/12.3047893 13406 (1340635): 2025.

Li J, Udupa JK, Torigian DA, Tong Y, Xiong Q, Zhang K, Liu T.: Diffusion semantic segmentation: a generative segmentation model based on joint distributions. Proc SPIE 13406, Medical Imaging 2025: Image Processing, 1340620 (11 April 2025); https://doi.org/10.1117/12.3047126 13406 (1340620): 2025.

Shaghaghi S, Udupa JK, Tong Y, Akhtar Y, Hosseini M, Al-Noury M, Wu C, Xie L, Hao Y, Hassani S, Gogel S, Biko DM, Mayer OH, McDonough JM, Cahill PJ, Anari JB, Torigian DA.: Association between respiratory volumes estimated from free-breathing dynamic MRI and sagittal spinal curvature in pediatric patients with thoracic insufficiency syndrome. Proc SPIE 13408, Medical Imaging 2025: Image-Guided Procedures, Robotic Interventions, and Modeling, 134082Q (7 April 2025); https://doi.org/10.1117/12.3047058 13408 (134082Q): 2025.

Tong Y, Udupa JK, McDonough JM, Wu C, Xie L, Hao Y, Gogel S, Mayer OH, Biko DM, Torigian DA, Cahill PJ, Anari JB.: Dynamic MRI-guided surgery planning and treatment evaluation for pediatric patients with TIS: database, methodology, results, and analysis. Proc SPIE 13408, Medical Imaging 2025: Image-Guided Procedures, Robotic Interventions, and Modeling, 134082T (7 April 2025); https://doi.org/10.1117/12.3047149 13408 (134082T): 2025.

Ling Z, Udupa JK, Tong L, McDonough JM, Gogel S, Mayer O, Biko D, Cahill PJ, Anari JB, Tong Y, Torigian DA.: Normalizing thoracic morphometric measures for size differences among pediatric patients and normal subjects. Proc SPIE 13411, Medical Imaging 2025: Imaging Informatics, 1341119 (10 April 2025); https://doi.org/10.1117/12.3047138 13411 (1341119): 2025.

Tong Y, Xie L, Odhner D, Liu T, Torigian DA, Udupa JK.: Hybrid foundation models: an investigation of foundation anatomy model and foundation segmentation model (FAM-FSM) on thoracic CT images for radiation therapy planning. Proc SPIE 13408, Medical Imaging 2025: Image-Guided Procedures, Robotic Interventions, and Modeling, 134082K (7 April 2025); https://doi.org/10.1117/12.3047793 13408 (134082K): 2025.

Academic Contact Information

Department of Radiology
Hospital of the University of Pennsylvania
3400 Spruce Street
Philadelphia, PA 19104
Phone: 215-615-3805