title: Computed tomography of xanthogranulomatous pyelonephritis presenting as a flank mass.
abstract: Xanthogranulomatous pyelonephritis should be part of the differential diagnosis when extensive soft tissue involvement is associated with renal disease. As a diagnosis of neoplasm may be rendered even on microscopy, it is particularly important that this entity be considered.
mesh_terms: D000328:Adult; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011512:Proteus Infections / Q000000981:diagnostic imaging; D011705:Pyelonephritis, Xanthogranulomatous / Q000000981:diagnostic imaging* / Q000382:microbiology; D014057:Tomography, X-Ray Computed