Korean J Intern Med.  2003 Mar;18(1):57-60.

Hydronephrosis by an Aberrant Renal Artery: A Case Report

Affiliations
  • 1Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Korea. choikc@chonnam.ac.kr
  • 2Department of Diagnostic Radiology, Chonnam National University Medical School, Gwangju, Korea.

Abstract

Ureteropelvic junction obstruction is usually intrinsic and is most common in children. Aberrant renal arteries are present in about 30% of individuals. Aberrant renal arteries to the inferior pole cross anteriorly to the ureter and may cause hydronephrosis. To the best of our knowledge, although there are some papers about aberrant renal arteries producing ureteropelvic junction obstruction, there is no report of a case which is diagnosed by the new modalities, such as computed tomography angiogram (CTA) or magnetic resonance angiogram (MRA). We describe a 36-year-old woman with right hydronephrosis. Kidney ultrasonogram and excretory urogram revealed right hydronephrosis. CTA and MRA clearly displayed an aberrant renal artery and hydronephrosis. The patient underwent surgical exploration. For the evaluation of hydronephrosis by an aberrant renal artery, use of CTA and MRA is advocated.

Keyword

Hydronephrosis; Renal artery; Magnetic resonance angiography

MeSH Terms

Adult
Female
Flank Pain/diagnosis/etiology
Follow-Up Studies
Humans
Hydronephrosis/*diagnosis/etiology/surgery
Magnetic Resonance Angiography/methods
Renal Artery/*abnormalities/radiography
Risk Assessment
Tomography, X-Ray Computed
Treatment Outcome
Ureteral Obstruction/*complications/radiography/surgery
Urography/methods
Urologic Surgical Procedures/methods
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