title: Keratinizing desquamative squamous metaplasia of the upper urinary tract.
abstract: A case of keratinizing desquamative squamous metaplasia (KDSM) of the upper urinary tract is presented showing a "goblet" sign. The relationship between KDSM, cholesteatoma, and leukoplakia is discussed and conservative management is recommended.
mesh_terms: D000368:Aged; D002781:Cholesteatoma / Q000000981:diagnostic imaging* / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D007682:Kidney Pelvis / Q000473:pathology; D007971:Leukoplakia / Q000150:complications* / Q000473:pathology; D008297:Male; D008679:Metaplasia; D011859:Radiography; D014570:Urologic Diseases / Q000000981:diagnostic imaging* / Q000473:pathology