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Brian C Allen

Professor of Radiology
Radiology, Abdominal Imaging

Current Appointments & Affiliations


Professor of Radiology · 2024 - Present Radiology, Abdominal Imaging, Radiology

Recent Publications


Photon-Counting CT Effects on Sensitivity for Liver Lesion Detection: A Reader Study Using Virtual Imaging.

Journal Article Radiology · January 2025 Background Detection of hepatic metastases at CT is a daily task in radiology departments that influences medical and surgical treatment strategies for oncology patients. Purpose To compare simulated photon-counting CT (PCCT) with energy-integrating detect ... Full text Link to item Cite

Do Risk Factors for HCC Impact the Association of CT/MRI LIRADS Major Features With HCC? An Individual Participant Data Meta-Analysis.

Journal Article Can Assoc Radiol J · December 29, 2024 Background: Guidelines suggest the Liver Imaging Reporting and Data System (LI-RADS) may not be applicable for some populations at risk for hepatocellular carcinoma (HCC). However, data assessing the association of HCC risk factors with LI-RADS major featu ... Full text Link to item Cite

ACR Appropriateness Criteria® Acute Onset of Scrotal Pain-Without Trauma, Without Antecedent Mass: 2024 Update.

Journal Article J Am Coll Radiol · November 2024 Acute scrotum is a medical emergency that requires prompt accurate diagnosis to appropriately triage potentially surgical conditions. Numerous differential diagnoses with overlapping clinical presentations make this a diagnostic challenge. Ultrasound is th ... Full text Link to item Cite
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Recent Grants


Liver surface nodularity score as a new noninvasive biomarker for chronic viral hepatitis

ResearchPrincipal Investigator · Awarded by ImageIQ, Inc. · 2016 - 2017

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Education, Training & Certifications


Medical College of Wisconsin · 2004 M.D.