Supernumerary kidney

Case contributed by Dr Ammar Haouimi


Urinary tract infection.

Patient Data

Age: 45 years
Gender: Female

The right kidney appears normal in size and shape with normal location.

On the left, there are two well-formed fused kidneys with normal shape. They have approximatively the same size with separated pelvicalyceal systems and ureters. Normal renal excretion.

Case Discussion

CT-IVU features of a supernumerary kidney. It is considered a rare entity, less than 100 cases were reported in the literature. In this case, both native and accessory kidneys have approximatively the same size with no reduced excretion.

The main differential diagnosis of the supernumerary kidney is a duplex kidney.


Additional contributor: ZE. Boudiaf, MD CHU Constantine

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Case information

rID: 69795
Published: 22nd Jul 2019
Last edited: 7th Sep 2019
System: Urogenital
Inclusion in quiz mode: Included
Institution: Aurès Medical Imaging Center - Batna Algeria

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