黑棘皮病(Acanthosis nigricans)为少见的皮肤病,原因不明。最近我们迂到一例,现报告如下:病例摘要患者拜××、男,80岁、回族、农业社员,甘肃省会宁县人。主诉:面、颈、腋窝部皮肤变黑发痒一年余。病史:一年以前从面颊部、颈部皮肤先开始变褐黑色,且伴有轻度痒感,原因不明。 Acanthosis nigricans is a rare skin disorder with unknown causes. Recently we have found one case and the report is as follows: Case summary Patient worships ××, Male, 80 years old, Hui nationality, Agricultural community member, Huining County, Gansu Province. Chief Complaint: Facial, neck, armpit skin becomes dark and itchy for more than a year. History: One year ago, the skin of the cheeks and neck first began to turn brown and black, with mild itching, and the cause was unknown.