编辑同志: 皮角为一种癌前病变。好发于久被日晒的老年人,多见于头皮及面部,发生于龟头者少见。现将我们遇到的2例报告如下: 例1,63岁。主因阴茎龟头处长出一无痛性角状肿物半年余,近3个月来肿物生长 Editor comrade: Cape is a precancerous lesions. Occur in the sun for a long time the elderly, more common in the scalp and face, occurred in the glans are rare. Now we have encountered two cases are as follows: Cases of 1,63 years old. Mainly due to penis glans penis out of a painless horny tumor more than six months, nearly 3 months to the growth of the tumor