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Drew A. Torigian, MD

Drew A. Torigian, MD Physician

Clinical Director, Medical Imaging Processing Group (MIPG) Associate Professor of Radiology at the Hospital of the University of Pennsylvania

Dr. Torigian is employed by Penn Medicine.

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Clinical Specialties


  • Radiology

Programs & Centers:

Board Certification:

  • Diagnostic Radiology, 2001

Clinical Expertise:

  • Lung Cancer
  • Lung Carcinoid Tumor
  • Non-Small Cell Lung Cancer
  • Small Cell Lung Cancer

Description of Clinical Expertise

thoracic imaging (plain film radiography, CT, MRI, PET, and PET/CT)
body CT imaging
body MR imaging
PET and PET/CT imaging
oncologic imaging
vascular imaging (CT and MR)

Practice Locations and Appointments

Insurance Accepted

  • Aetna US Healthcare
  • Cigna
  • Cigna HealthSpring
  • CVS Health
  • Devon Health Services (Americare)
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana / Choicecare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Keystone First Medicare
  • Multiplan
  • NJ Amerihealth
  • NJ Medicaid
  • NJ Medicare
  • NJ Qualcare
  • Oxford Health Plan
  • PA Medicaid
  • PA Medicare
  • Preferred Care
  • Preferred Health Care/LGH
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan

Education and Training

Medical School: New York University School of Medicine
Residency: New York University Medical Center
Residency: Hospital of the University of Pennsylvania
Fellowship: Hospital of the University of Pennsylvania


Abramson Cancer Center, University of Pennsylvania, Local American College of Radiology, National American Roentgen Ray Society, National Association of University Radiologists, National European Association of Nuclear Medicine, International ITMAT (Institute for Translational Medicine and Therapeutics), University of Pennsylvania, Local Radiologic Society of North America, National Society for Molecular Imaging, National Society of Abdominal Radiology, National Society of Artificial Intelligence in Medicine and Healthcare, National Society of Computed Body Tomography and Magnetic Resonance, National Society of Nuclear Medicine and Molecular Imaging, National Society of Thoracic Radiology, National The Pennsylvania Radiological Society, Eastern PA Section, Local World Molecular Imaging Society, International

Hospital Affiliation

Dr. Torigian is employed by Penn Medicine.

Hospital Privileges:

  • Chester County Hospital: Has privileges to treat patients in the hospital.
  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.


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:

Tong Y, Udupa JK, Odhner D, Bai P, Torigian DA.: Virtual landmarks. Proc SPIE 10135 : 1013521-1 - 1013521-6,2017.

Tong Y, Udupa JK, Torigian DA, Odhner D, Wu C, Palmer S, Rozenshtein A, Shirk MA, Newell JD, Porteous M, Diamond JM, Christie JD, Lederer DJ.: Chest fat quantification via CT based on standardized anatomy space in adult lung transplant candidates. PLoS One 12 (1): e0168932,2017.

Patel A, Berger I, Wileyto EP, Khalid U, Torigian DA, Nachiappan A, Barbosa E, Gefter WB, Galperin-Aizenberg M, Gupta N, Simone CB, Haas A, Alley E, Singhal S, Cengel KA, Katz SI.: The value of delayed phase enhanced imaging in malignant pleural mesothelioma. J Thorac Dis 9 (8): 2344-2349,2017.

Tong Y, Udupa JK, Odhner D, Wu C, Zhao Y, McDonough JM, Capraro A, Torigian DA, Campbell RM.: Interactive iterative relative fuzzy connectedness lung segmentation on thoracic 4D dynamic MR images. Proc SPIE 10137 : 1013723-1 - 1013723-6,2017.

Akin EA, Torigian DA, Colletti PM, Yoo DC.: Optimizing oncologic FDG-PET/CT scans to decrease radiation exposure. Image Wisely TM, American College of Radiology (ACR), Radiological Society of North America (RSNA), American Association of Physicists in Medicine (AAPM), and American Society of Radiologic Technologists (ASRT) Joint Task Force on Adult Radiation Protection. : 2017.

Goncalves MD, Green-McKenzie J, Alavi A, Torigian DA.: Regional variation in skeletal muscle and adipose tissue FDG uptake using PET/CT and their relation to BMI. Acad Radiol : S1076-6332(17)30201-5 (Epub ahead of print),2017.

Marcus CL, Keenan BT, Huang J, Yuan H, Pinto S, Bradford RM, Kim C, Bagchi S, Comyn FL, Wang S, Tapia IE, Maishlin G, Cielo CM, Traylor J, Torigian DA, Schwab RJ.: The obstructive sleep apnea syndrome in adolescents. Thorax 72 (8): 720-728,2017.

Torigian DA, Green-McKenzie J, Liu X, Shofer FS, Werner T, Smith CE, Strasser AA, Moghbel MC, Parekh AH, Choi G, Goncalves MD, Spaccarelli N, Gholami S, Kumar PS, Tong Y, Udupa JK, Mesaros C, Alavi A.: A study of the feasibility of FDG-PET/CT to systematically detect and quantify differential metabolic effects of chronic tobacco use in organs of the whole body – a prospective pilot study. Acad Radiol 24 (9): 930-940,2017.

Bai P, Udupa JK, Tong Y, Xie S, Torigian DA.: Automatic thoracic body region localization. Proc SPIE 10134 : 101343X-1 - 10134X-6,2017.

Tong Y, Udupa JK, Odhner D, Wu C, Fitzpatrick D, Winchell N, Schuster SJ, Torigian DA.: Disease quantification on PET/CT images without object delineation. Proc SPIE 10137 : 101370V-1 - 101370V-6,2017.

Academic Contact Info

Department of Radiology
Hospital of the University of Pennsylvania
3400 Spruce Street

Philadelphia, PA 19104
Phone: (215) 615-3805
Patient appointments: 800-789-7366 (PENN)

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