Portal Venous Aneurysm | Radiology - RSNA Publications Online
https://pubs.rsna.org/doi/full/10.1148/radiol.221311
WebFeb 7, 2023 · A portal vein aneurysm can be congenital or acquired, such as in the setting of severe pancreatitis, trauma, or malignant tumor invasion. The majority of portal vein aneurysms are extrahepatic, and common locations include the splenomesenteric venous confluence, main portal vein, and intrahepatic portal vein branches.
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