Renal replacement lipomatosis

Case contributed by Dr Mostafa Mahmoud El Feky


Chronic left loin pain.

Patient Data

Age: 70
Gender: Male

Non-contrast CT of the Abdomen

The left kidney is mildly enlarged with thinned parenchyma that most of it is replaced by fatty densities. This is associated with contracted left renal pelvis over a branching stag horn stone.

Preserved renal outline and mild perirenal fat stranding.

Left vesicoureteric junction small stone.

Multiple right renal small simple cortical cysts.

Large left Bockdalek hernia.

Case Discussion

There is increased renal sinus fat with atrophic changes of the renal parenchyma with the remaining peripheral part delineates the renal outline. This is secondary to chronic calcular renal disease which is the more common cause.

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Case information

rID: 45867
Case created: 11th Jun 2016
Last edited: 30th May 2017
System: Urogenital
Inclusion in quiz mode: Included

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