Portosystemic collaterals of the upper abdomen: review of anatomy and demonstration on MR imaging

Numerous portosystemic collateral pathways have been demonstrated anatomically, angiographically, and by cross-sectional imaging, especially in cirrhotic patients [1–11]. Although the anatomic knowledge about the portosystemic collaterals is well understood, there is still some obscurity in the nomenclature of varices in the radiologic literature. In this… CONTINUE READING