The histopathology showed a superficial plate-like growth in reticulated pattern composed of mostly basaloid cells and some squamoid cells with sebocytes studded in the lower portion of the tumor.

• 组织病理下呈现了网状架构及表浅性平板状增生，肿瘤细胞主要是由基底样细胞和一些鳞状细胞所组成，且肿瘤下缘有皮脂细胞的分化。