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.

Ewing JN, Gala Z, Voytik M, Broach RB, Udupa JK, Torigian DA, Tong Y, Fischer JP.: A cross-sectional survey investigating surgeon perceptions of pre-operative risk prediction models incorporating radiomic features. Hernia 29 (97): 1-9,2025.

Tong Y, Udupa JK, McDonough JM, Wu C, Xie L, Rajapakse CS, Gogel 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): e230262,2024.

Shahait M, Usamentiaga R, Tong Y, Sandberg A, Lee DI, Udupa JK, Torigian DA.: MRI-Based Radiomic Features of the Urinary Bladder Wall Identify Patients with Moderate-to-Severe International Prostate Symptom Score. World J Urol 42 (375): 1-7,2024.

Donuru A, Torigian DA, Nachiappan AC.: Grayscale Inversion to aid Diagnosis of Acute Occlusive and Chronic Pulmonary Embolism on CT. Int J Angiol 33 (2): 132-133,2024.

Akhtar Y, Udupa JK, Tong Y, Wu C, Liu T, Tong L, Hosseini M, Al-Noury M, McDonough JM, Mayer OH, Biko DM, Anari JB, Cahill P, Torigian DA.: Auto-segmentation of hemi-diaphragms in free-breathing pediatric dynamic MRI. Proc SPIE 12927, Medical Imaging 2024: Computer-Aided Diagnosis, 129273C (3 April 2024); https://doi.org/10.1117/12.3006279 12927 (129273C): 2024.

Tan W, Udupa JK, Tong Y, Wu C, Hosseini M, Al-Noury M, Shaghaghi S, McDonough JM, Gogel S, Biko DM, Mayer OH, Anari JB, Torigian DA, Cahill PJ.: Diaphragm motion as a function of the scoliotic spinal curve in thoracic insufficiency syndrome (TIS). Proc SPIE 12930, Medical Imaging 2024: Clinical and Biomedical Imaging, 129301U (2 April 2024); https://doi.org/10.1117/12.3006778 12930 (129301U): 2024.

Tong Y, Udupa JK, McDonough JM, Wu C, Akhtar Y, Xie L, Alnoury M, Hosseini M, Tong L, Gogel S, Biko DM, Mayer OH, Anari JB, Torigian DA, Cahill PJ.: A normative database of free-breathing thoracic 4D dynamic MRI images and associated regional respiratory parameters of healthy children. Proc SPIE 12931, Medical Imaging 2024: Imaging Informatics for Healthcare, Research, and Applications, 1293111 (2 April 2024); https://doi.org/10.1117/12.3006807 12931 (1293111): 2024.

Tong Y, Udupa JK, McDonough JM, Wu C, Xie L, Alnoury M, Hosseini M, Shaghaghi S, Tong L, Gogel S, Biko DM, Mayer OH, Anari JB, Torigian DA, Cahill PJ.: Analysis of the dynamic architecture of the thorax and abdomen in pediatric patients with thoracic insufficiency syndrome (TIS) via dynamic MRI. Proc SPIE 12928, Medical Imaging 2024: Image-Guided Procedures, Robotic Interventions, and Modeling, 129281C (29 March 2024); https://doi.org/10.1117/12.3006301 12928 (129281C): 2024.

Academic Contact Information

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