Perry J. Pickhardt, MD close

Perry J. Pickhardt, MD Print Friendly Page

Faculty, University of Wisconsin School of Medicine and Public Health

Dr. Pickhardt’s primary clinical and research interests are CT colonography and colorectal cancer screening, including virtual colonoscopy. He joined the Abdominal Imaging Section at the University of Wisconsin School of Medicine and Public Health in 2003 as an associate professor of radiology. Prior to that, Dr. Pickhardt organized and served as principal investigator for a large multi-center screening trial evaluating CT colonography (virtual colonoscopy) while at the National Naval Medical Center in Bethesda, Maryland. Dr. Pickhardt also was awarded a Figley Fellowship in the American Journal of Radiology editorial office in Winston-Salem, North Carolina in 2002.



Abdominal CT Scan

Abdominal Imaging and Intervention

Abdominal MRI

Abdominal X-Ray

Colon Contrast X-Ray

Computerized Tomography (CT) Scan


Fluoroscopic Studies

Image-guided Biopsy

Magnetic Resonance Imaging (MRI) Scan


Swallowing Function w/Cineradiography

Transvaginal Ultrasound


Upper GI Tract X-Ray

Virtual Colonoscopy



Digestive Health Center
(608) 890-5000 | (855) 342-9900 | Map
UnityPoint Health - Meriter
(608) 417-6090 | (888) 703-2778 | Map
University Hospital
(608) 263-9729 | (800) 323-8942 | Map
Wisconsin Institutes for Medical Research
(608) 265-8231 | | Map

UW School of Medicine and Public Health

Department of Radiology

Professional Certifications and Education

Board Certification Diagnostic Radiology
Residency Mallinckrodt Institute of Radiology, St. Louis, MO
Medical School University of Michigan Medical School, Ann Arbor, MI

Medical interpreters are available to help patients communicate with hospital and clinic staff. For more information, please contact interpreter services at (608) 262-9000.

Dr. Pickhardt has been the principal investigator of multiple University of Wisconsin clinical trials studying computerized tomography (CT) and virtual colonoscopy. He has edited a number of textbooks in abdominal radiology. His work has resulted in more than 300 scientific publications and book chapters.

PubMed Articles
Ranieri DM Enzerra MD Pickhardt PJ Prevalence of Appendicoliths Detected at CT in Adults With Suspected Appendicitis. AJR Am J Roentgenol . 2021 Jan 21;:1-6
[PubMed ID: 33474985]
Lubner MG Graffy PM Said A Watson R Zea R Malecki KM Pickhardt PJ Utility of Multiparametric CT for Identification of High-Risk NAFLD. AJR Am J Roentgenol . 2021 Jan 21;:1-10
[PubMed ID: 33474981]
Pickhardt PJ Perez AA Elmohr MM Elsayes KM CT imaging review of uncommon peritoneal-based neoplasms: beyond carcinomatosis. Br J Radiol . 2021 Jan 5;:20201288
[PubMed ID: 33353398]
Graffy PM Summers RM Perez AA Sandfort V Zea R Pickhardt PJ Automated assessment of longitudinal biomarker changes at abdominal CT: correlation with subsequent cardiovascular events in an asymptomatic adult screening cohort. Abdom Radiol (NY) . 2021 Jan 3;
[PubMed ID: 33388896]
Pickhardt PJ Graffy PM Zea R Lee SJ Liu J Sandfort V Summers RM Utilizing Fully Automated Abdominal CT-Based Biomarkers for Opportunistic Screening for Metabolic Syndrome in Adults Without Symptoms. AJR Am J Roentgenol . 2021 Jan;216(1):85-92
[PubMed ID: 32603223]
Jian J Li Y Pickhardt PJ Xia W He Z Zhang R Zhao S Zhao X Cai S Zhang J Zhang G Jiang J Zhang Y Wang K Lin G Feng F Wu X Gao X Qiang J MR image-based radiomics to differentiate type Ι and type ΙΙ epithelial ovarian cancers. Eur Radiol . 2021 Jan;31(1):403-410
[PubMed ID: 32743768]
Enzerra MD Ranieri DM Pickhardt PJ Stump Appendicitis: Clinical and CT Findings. AJR Am J Roentgenol . 2020 Dec;215(6):1363-1369
[PubMed ID: 33021832]
Cheng X Zhao K Zha X Du X Li Y Chen S Wu Y Li S Lu Y Zhang Y Xiao X Li Y Ma X Gong X Chen W Yang Y Jiao J Chen B Lv Y Gao J Hong G Pan Y Yan Y Qi H Ran L Zhai J Wang L Li K Fu H Wu J Liu S Blake GM Pickhardt PJ Ma Y Fu X Dong S Zeng Q Guo Z Hind K Engelke K Tian W China Health Big Data (China Biobank) project investigators. Opportunistic Screening Using Low-Dose CT and the Prevalence of Osteoporosis in China: A Nationwide, Multicenter Study. J Bone Miner Res . 2020 Nov 4;
[PubMed ID: 33145809]
Kirsch MJ Hsu KT Lee MH Pickhardt PJ Kim DH Sippel RS Dedhia PH Hormonal Evaluation of Incidental Adrenal Masses: The Exception, Not the Rule. World J Surg . 2020 Nov;44(11):3778-3785
[PubMed ID: 32651604]
Hanafy AK Morani AC Menias CO Pickhardt PJ Shaaban AM Mujtaba B Mellnick VM Elsayes KM Hematologic malignancies of the gastrointestinal luminal tract. Abdom Radiol (NY) . 2020 Oct;45(10):3007-3027
[PubMed ID: 31707438]
Davila A Menias CO Alhalabi K Lall C Pickhardt PJ Lubner M Elsayes KM Multiple Endocrine Neoplasia: Spectrum of Abdominal Manifestations. AJR Am J Roentgenol . 2020 Oct;215(4):885-895
[PubMed ID: 32755185]
Pickhardt PJ Graffy PM Zea R Lee SJ Liu J Sandfort V Summers RM Automated Abdominal CT Imaging Biomarkers for Opportunistic Prediction of Future Major Osteoporotic Fractures in Asymptomatic Adults. Radiology . 2020 Oct;297(1):64-72
[PubMed ID: 32780005]
Pickhardt PJ Graffy PM Weigman B Deiss-Yehiely N Hassan C Weiss JM Diagnostic Performance of Multitarget Stool DNA and CT Colonography for Noninvasive Colorectal Cancer Screening. Radiology . 2020 Oct;297(1):120-129
[PubMed ID: 32779997]
Perez AA Pickhardt PJ Elton DC Sandfort V Summers RM Fully automated CT imaging biomarkers of bone, muscle, and fat: correcting for the effect of intravenous contrast. Abdom Radiol (NY) . 2020 Sep 18;
[PubMed ID: 32948910]
Summers RM Elton DC Lee S Zhu Y Liu J Bagheri M Sandfort V Grayson PC Mehta NN Pinto PA Linehan WM Perez AA Graffy PM O'Connor SD Pickhardt PJ Atherosclerotic Plaque Burden on Abdominal CT: Automated Assessment With Deep Learning on Noncontrast and Contrast-enhanced Scans. Acad Radiol . 2020 Sep 18;
[PubMed ID: 32958429]
Pickhardt PJ Blake GM Graffy PM Sandfort V Elton DC Perez AA Summers RM Liver Steatosis Categorization on Contrast-Enhanced CT Using a Fully-Automated Deep Learning Volumetric Segmentation Tool: Evaluation in 1,204 Heathy Adults Using Unenhanced CT as Reference Standard. AJR Am J Roentgenol . 2020 Sep 16;
[PubMed ID: 32936018]
Elmohr MM Elsayes KM Pickhardt PJ Non-neoplastic conditions mimicking peritoneal carcinomatosis at CT imaging. Br J Radiol . 2020 Sep 1;93(1113):20200401
[PubMed ID: 32516560]
German MN Lutz MK Pickhardt PJ Bruce RJ Said A Statin Use is Protective Against Hepatocellular Carcinoma in Patients With Nonalcoholic Fatty Liver Disease: A Case-control Study. J Clin Gastroenterol . 2020 Sep;54(8):733-740
[PubMed ID: 31567625]
Li Y Jian J Pickhardt PJ Ma F Xia W Li H Zhang R Zhao S Cai S Zhao X Zhang J Zhang G Jiang J Zhang Y Wang K Lin G Feng F Lu J Deng L Wu X Qiang J Gao X MRI-Based Machine Learning for Differentiating Borderline From Malignant Epithelial Ovarian Tumors: A Multicenter Study. J Magn Reson Imaging . 2020 Sep;52(3):897-904
[PubMed ID: 32045064]
Olson MC Lubner MG Menias CO Mellnick VM Gettle LM Kim DH Elsayes KM Pickhardt PJ <i>RadioGraphics</i> Update: Venous Thrombosis and Hypercoagulability in the Abdomen and Pelvis-Findings in COVID-19. Radiographics . 2020 Sep-Oct;40(5):E24-E28
[PubMed ID: 32649264]