title: Xanthogranulomatous pyelonephritis.
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D006099:Granuloma / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011704:Pyelonephritis / Q000000981:diagnostic imaging*; D011859:Radiography