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Surgical and Radiologic Anatomy

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13-09-2022 | Computed Tomography | Review

Replaced right hepatic artery arising from the distal renal artery, a new variation

Authors: Daniel Vas, Julián Moreno Rojas, Marta Solà Garcia

Published in: Surgical and Radiologic Anatomy | Issue 10/2022

Abstract

Purpose

Arterial irrigation of the liver is highly variable and widely studied due to its importance in the correct planification of the surgical or endovascular treatment of the hepatobilary area. Various classifications have been published of the common and uncommon anatomic variations of the hepatic arterial distribution. While the classic anatomic pattern of the proper hepatic artery—when it originates from the celiac trunk dividing into left and right branches—represents 50–83% of the described patterns, there are numerous uncommon distributions based on the presence of replaced or accessory hepatic arteries. In this article, we present a case of a replaced right hepatic artery originating from the right distal renal artery.

Methods

Contrast enhanced computed tomography (CECT) examination was performed on a 67 years-old male patient with compensated alcoholic cirrhosis as part of the disease monitoring.

Results

The replaced right hepatic artery of the patient arises from the right distal renal artery and—after its cranial course—enters the porta hepatis posterior to the main portal vein. After giving off the cystic artery, it irrigates the right hepatic lobe. The left hepatic artery does not show any variation.

Conclusion

We present CT angiography images of an extremely rare anatomic variation of the hepatic arterial irrigation in a cirrhotic patient.

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Title: Replaced right hepatic artery arising from the distal renal artery, a new variation
Authors: Daniel Vas
Julián Moreno Rojas
Marta Solà Garcia
Publication date: 13-09-2022
Publisher: Springer Paris
Keywords: Computed Tomography
Computed Tomography
Published in: Surgical and Radiologic Anatomy / Issue 10/2022
Print ISSN: 0930-1038
Electronic ISSN: 1279-8517
DOI: https://doi.org/10.1007/s00276-022-03017-3

At a glance: The STEP trials

Springer Medicine

Replaced right hepatic artery arising from the distal renal artery, a new variation

Abstract

Purpose

Methods

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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