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.

Modality: Ultrasound

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

Modality: CT

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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