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Acute lumbago and sciatica as first symptoms of focal xanthogranulomatous pyelonephritis
Stefano Germani1, Roberto Miano, Flavio Forte
1Department of Urology, University of Tor Vergata, Rome, Italy. germe@tin.it
Urologia Internationalis
|October 10, 2002
Abstract:
Xanthogranulomatous pyelonephritis (XGP) is a rare inflammatory disease of the kidney, presenting in a diffuse or focal form. The preoperative diagnosis of XGP is made only in 10% of the cases because neither the clinical nor the radiological presentation are specific and could be confused with renal tumors, thus deserving the name of 'great imitator'. We report a case of focal XGP in a middle-aged man presenting with acute lumbago and sciatica, an unusual clinical presentation.