Xanthogranulomatous pyelonephritis

Case contributed by Dr Roberto Schubert

Presentation

Weight loss, fever, dull pain in the right flank and back.

Patient Data

Age: 65
Gender: Female

Case Discussion

CT scan demonstrates low density rounded parenchymal collections throughout the right kidney with a central large (presumably staghorn) calculus. Appearances are characteristic of xanthogranulomatous pyelonephritis and the appearance of the kidney has been likened to that of a bear's paw.

Also note the enlarged inflammatory periaortal and pericaval lymph nodes.

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Case information

rID: 14172
Case created: 3rd Jul 2011
Last edited: 25th Sep 2017
System: Urogenital
Inclusion in quiz mode: Included

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