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Case Reports
. 2001 Jul;67(7):657-9.

Ectopic supernumerary kidney, a cause of para-aortic mass: case report and review

T R Bernik  1 , D J Ravnic, S F Bernik, M K Wallack
Affiliations
  • PMID: 11450783
Case Reports

Ectopic supernumerary kidney, a cause of para-aortic mass: case report and review

T R Bernik et al. Am Surg. 2001 Jul.

Abstract

Ectopic supernumerary kidney is a rare congenital urinary tract abnormality. Because of the scarcity of published cases and atypical presenting symptomatology this entity frequently causes a diagnostic as well as therapeutic dilemma. We report a case of an unusually symptomatic supernumerary kidney that presented as back pain. Noncontrast CT scan showed a suspicious left-sided para-aortic mass, which prompted a percutaneous biopsy. Intravenous contrast CT scan revealed an anatomically and functionally free supernumerary kidney. The approach to diagnosis as well as management of supernumerary kidneys is discussed herein.

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