Abstract:- BACKGROUND: Knowledge of the portal system and its anatomical variations aids to prevent surgical adverse events. The portal vein is usually made by the confluence of the superior mesenteric and splenic veins, together with their main tributaries, the inferior mesenteric, left gastric, and pancreaticoduodenal veins; however, anatomical variations are frequent. AIM: This article presents a literature review regarding previously described anatomical variations of the portal venous system and their frequency.… Show more
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