Xanthogranulomatous pyelonephritis

摘要

Two cases of Xanthogranulomatous pyelonephritis are presented. One 8 years old boy with history of previous trauma followed by infection and the other a lady of 45 years with a history of repeated urinary tract infection and both presenting with lumbar mass. Nephrectomy was performed in both cases and histological examination revealed a diagnosis of Xanthogranulomatous pyelonephritis.