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open access eISSN 2093-3673

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Case Report

Anat Cell Biol 2024; 57(3): 476-480

Published online September 30, 2024

https://doi.org/10.5115/acb.24.033

Copyright © Korean Association of ANATOMISTS.

A bifid ureter originating from separate major calyx and renal pelvis with dual calyceal systems: a case report

Yuri Seu1 , Hyun Jin Park2 , Jin Seo Park3 , Yong‑Suk Moon2 , Hongtae Kim2 , Mi-Sun Hur2

1Daegu Catholic University School of Medicine, Daegu, 2Department of Anatomy, Daegu Catholic University School of Medicine, Daegu, 3Department of Anatomy, Dongguk University School of Medicine, Gyeongju, Korea

Correspondence to:Mi-Sun Hur
Department of Anatomy, Daegu Catholic University School of Medicine, Daegu 42472, Korea
E-mail: mshur@cu.ac.kr

Received: February 4, 2024; Revised: March 31, 2024; Accepted: April 9, 2024

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Present case report describes a case of bifid ureter arising directly from separate calyces and renal pelvis of the kidney. Incomplete ureter duplication on the left side in a 78-year-old male cadaver was found during an anatomy class. These ureters converged in a Y-shaped pattern just above the level of the anterior superior iliac spine. In the coronal section of the kidney, the anterior ureter arose from a renal pelvis that was divided into two major calyces in the lower two-thirds of the kidney. On the other hand, the posterior ureter was directly connected to a major calyx in the upper third of the kidney, without the formation of a renal pelvis. This anatomical variation has implications for diagnostic approaches, especially in the use of imaging techniques by urologists for the insertion of stents in the treatment of phyelonephritis.

Keywords: Bifid ureter, Kidney, Major calyx, Renal pelvis

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