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Updated: Apr 19, 2026

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
Published on: March 25, 2022
Biliary strictures and masses: an expanded differential diagnosis
Matthew T Heller1, Amir A Borhani, Alessandro Furlan
1Division of Abdominal Imaging, UPMC Department of Radiology, University of Pittsburgh Medical Center, 200 Lothrop St, Ste 3950 PST, Pittsburgh, PA, 15213, USA, hellermt@upmc.edu.
Abstract:
Biliary strictures and masses are commonly a result of cholangiocarcinoma. However, there are several congenital, infectious, inflammatory, autoimmune, iatrogenic, and neoplastic etiologies that should also be considered in the differential diagnosis. Knowledge of the key imaging and clinical findings will aid in facilitating the diagnosis and treatment.
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