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Surgical anatomy of hepatic arteries from its origin to segmental branching: A 500 cases CT study
Julie F Leclerc1, François Avila2, Gabriela Hossu3
1Department of Digestive, Hepato-Bilio-Pancreatic, Colorectal, and Oncologic Surgery, CHRU Nancy, 54 511 Vandœuvre-lès-Nancy, France; CIC 1433 Innovation Technologique, INSERM, Université de Lorraine, CHRU Nancy, 54 511 Vandœuvre-lès-Nancy, France; Université de Lorraine, 54 511 Vandœuvre-lès-Nancy, France.
Background:
The aim of this study was to present an overview of variations of the hepatic artery from the origin to the segmental branching.
Methods:
Abdominal Computed Tomography performed on consecutive patients in our tertiary center between 2019 and 2020 were analyzed. Hepatic arterial branching and its relationship to the portal veins were reported.
Results:
Out of 500 imaging, 16 anatomic patterns were found for the origin of hepatic artery, with 65.6% conventional origin at celiac axis (n = 328); 10 patterns for the left hepatic artery, 23 for segment IV artery, and more than 21 for the right hepatic artery (RHA), with conventional branching in respectively 66.8%, 39.6% and in 46.4% of patients. Conventional anatomy from celiac axis to segmental branching was found in 10.4% of patients.
Conclusion:
Dedicated thin-section imaging appears to be essential for preoperative planning in liver surgery, given the high variability of arterial distribution and their surgical implications.
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