The histopathologic study revealed a basaloid tumor composed of lobules of basaloid cells as well as sebaceous differentiation, which led to the final deagnosis of sebaceoma (sebaceous epithelioma).

• 组织病理学检查显示此为由许多嗜硷性细胞所组成的肿瘤，同时有皮脂腺分化的特徵，因此我们诊断其为皮脂瘤(皮脂腺上皮瘤)。