Xanthogranulomatous pyelonephritis

Case contributed by Dr Hani Salam



Patient Data

Age: 12
Gender: Female
Modality: CT

The left renal calyces are dilated giving a multloculated appearance that has been likened to the paw print of a bear (bear's paw sign) with staghron calculus. 

Modality: CT

The left renal calyces are dilated with obstructing staghorn calculus. Normal enhancement of the renal cortex.

Done 20 minutes after the contrast CT abdomen

Modality: X-ray

No execution by the left kidney with none visualisation of the left ureter, the right side renal pelvis and ureter are normal. Staghorn left renal calculus is clearly visualised.  

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Case Information

rID: 35565
Case created: 12th Apr 2015
Last edited: 11th Sep 2015
Inclusion in quiz mode: Included

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