title: Blue nevus of the endometrium.
abstract: A 36-year-old woman with a long history of amenorrhea underwent endometrial curettage. An aggregate of short spindle cells containing a finely granular, dark brown pigment with the histochemical characteristics of melanin was detected in the endometrial stroma. This finding is considered analogous to the occurrence of similar cells in the endocervical stroma and is most appropriately designated a "blue nevus" of the endometrium. The occurrence of nonneoplastic, melanin-laden cells in the endometrial stroma is an extremely rare phenomenon, which has been reported only once previously.
authors.affiliation: Department of Pathalogy, Osaka Red Cross Hospital, Osaka, Japan.
authors.forename: Masayuki
authors.initials: M
authors.lastname: Shintaku
authors.forename: Kohji
authors.initials: K
authors.lastname: Tsuta
authors.forename: Tsunekazu
authors.initials: T
authors.lastname: Matsumoto
mesh_terms: D000328:Adult; D003475:Curettage; D016889:Endometrial Neoplasms / Q000737:chemistry / Q000473:pathology*; D005260:Female; D006801:Humans; D007150:Immunohistochemistry; D008543:Melanins / Q000032:analysis; D018329:Nevus, Blue / Q000737:chemistry / Q000473:pathology*; D017154:Stromal Cells / Q000737:chemistry / Q000473:pathology
chemical_list: D008543:Melanins