Results In 22 cases, 13 cases were squamous cell carcinoma, 4 cases of verrucous carcinoma, 1 case of warty carcinoma, 1 case of adenocarcinoma.

• 结果22例中鳞状细胞癌13例、疣状癌4例、湿疣样癌1例、腺癌1例、鲍温样丘疹病恶变1例、恶性黑色素瘤1例、派杰病1例。