Xanthogranulomatous pyelonephritis

Case contributed by Dr Hani Salam

Presentation

Dysuria.

Patient Data

Age: 12
Gender: Female

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. 

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

X-ray

Done 20 minutes after the contrast CT abdomen

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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