What question did this study set out to answer?

This research aims to describe a rare variant of the hepatic arterial system and its surgical relevance.

February 2, 2026Open Access

Aberrant right posterior hepatic artery originating from the gastroduodenal artery with a concomitant replaced left hepatic artery: a rare clinical variant

MRMurat Emre ReisEskişehir Osmangazi University YAYavuz Selim AngınEskişehir Osmangazi Üniversitesi Tıp Fakültesi Hastanesi OUOrxhan UlfanovEskişehir Osmangazi University

Key Points

This research aims to describe a rare variant of the hepatic arterial system and its surgical relevance.
Described a clinical case of an aberrant right posterior hepatic artery.
Identified its origin from the gastroduodenal artery.
Discussed the implications for surgical procedures, particularly pancreaticoduodenectomy.
Found a significantly rare variant in the hepatic arterial system.
Highlighted the importance of recognizing this variant to prevent postoperative ischemic complications.

Abstract

Abstract Variations in the hepatic arterial system, observed in up to 22% of the population, significantly influence the outcomes of hepatobiliary and pancreatic procedures. This study describes an extremely rare variant involving an aberrant right posterior hepatic artery (aRPHA) originating from the gastroduodenal artery (GDA) alongside a replaced left hepatic artery (LHA). Awareness of such variants is critical during pancreaticoduodenectomy to prevent ischemic complications.

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