双胞胎女患者,11岁。颜面部多发性肤色、质硬丘疹8年。皮损组织病理示:表皮轻度萎缩,真皮内见由基底样细胞组成的瘤团,瘤团呈束状或筛孔状,有角质囊肿,周围细胞呈栅栏状排列,瘤团由增生明显的纤维组织互相分隔。患者临床表现及组织病理学改变均符合毛发上皮瘤。 Female twins, 11 years old. Multiple facial complexion, hard rash 8 years. Histopathological lesions showed: a mild atrophy of the epidermis, seen within the dermis by the basal cells composed of tumor groups, tumor clusters were bundles or sieve-like, with horny cysts, the surrounding cells were arranged in a fence, the tumor by the proliferation of obvious Fibrous tissue separated from each other. Patients with clinical manifestations and histopathological changes are in line with hair epithelial tumors.