title: Upper urinary tract choleasteatoma--an unusual radiographic filling defect.
mesh_terms: D000328:Adult; D004814:Epidermal Cyst / Q000000981:diagnostic imaging* / Q000382:microbiology; D005260:Female; D006801:Humans; D007674:Kidney Diseases / Q000000981:diagnostic imaging* / Q000382:microbiology; D007682:Kidney Pelvis / Q000000981:diagnostic imaging; D011859:Radiography; D012706:Serratia marcescens / Q000302:isolation & purification*