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在1775例表皮、附件肿瘤及瘤样病变中,良性瘤及瘤样病变共963例(54.25％),恶性瘤计812例(45.75％)。表皮良性瘤及瘤样病变(662例,68.74％)的发病率比附件为高(301例,31.26％)。在恶性瘤中,鳞状细胞癌最常见(531例,65.39％),其次为基底细胞癌(211例,25.99％),表皮附件的恶性瘤甚少见(9例,1.11％)。鳞状细胞癌和基底细胞癌的比值为2.5∶1。各类肿瘤男女性分布之比为1.2∶1。良性瘤及瘤样病变多见于青少年和成年人,而恶性瘤则多见于老年人。表皮肿瘤以头颈部多见,其次则为阴茎。
In 1775 cases of epidermis, adnexal tumors and tumor-like lesions, there were 963 cases (54.25%) of benign tumors and tumor-like lesions, and 812 cases (45.75%) of malignant tumors. The incidence of benign tumors and tumors of the epidermis (662 cases, 68.74%) was higher than that of the attachments (301 cases, 31.26%). In malignant tumors, squamous cell carcinomas were the most common (531 cases, 65.39%), followed by basal cell carcinoma (211 cases, 25.99%), and epidermal attachments of malignant tumors were rare (9 cases, 1.11%). The ratio of squamous cell carcinoma to basal cell carcinoma is 2.5:1. The ratio of distribution of male and female tumors of various types is 1.2:1. Benign tumors and tumor-like lesions are more common in adolescents and adults, while malignant tumors are more common in the elderly. Epidermal tumors are more common in the head and neck, followed by the penis.