鳞状细胞癌(SCC)的几型组织病理学模式已有描述,包括经典型,腺样、疣状和透明细胞型.本文报告2例,呈少见的外生性乳头状增生模式.此瘤生长迅速,但组织学低度恶性.因此,作者认为它是SCC的一种亚型.例1.女性,105岁.右面颊部出现生长迅速的肿瘤13个月.检查时肿瘤呈 Several types of histopathological patterns of squamous cell carcinoma (SCC) have been described, including classical, adenoid, verrucous, and clear cell types. Two cases were reported in this paper, showing a rare pattern of exogenous papillary hyperplasia. Rapid, but low-grade histology. Therefore, the author believes it is a subtype of SCC. Example 1. Female, 105 years old. Rapidly growing tumor in the right cheek 13 months.