Xanthogranulomatous pyelonephritis

Case contributed by Dr Ian Bickle

Presentation

Recurrent renal stone disease, admitted with flank pain and fever

Patient Data

Age: 45-50Y
Gender: Female

Right-sided staghorn calculus.

Ultrasound

Large right staghorn calculus, with ultrasound demonstrating dilated fluid filled spaces, without hydronephrosis. 

Large right staghorn calculus, with ultrasound demonstrating dilated fluid filled spaces, without hydronephrosis.  This is elegantly shown on CT with an enlarged right kidney, with a bear's paw appearance of xanthogranulomatous pyelonephritis (XPN) with a small perinephric collection.

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Case information

rID: 20872
Case created: 18th Dec 2012
Last edited: 18th Jul 2016
System: Urogenital
Inclusion in quiz mode: Included

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