肛管及肛门周围恶性肿瘤中,最常见的是A.鳞癌B.基底细胞癌C.恶性黑色素瘤D.一穴肛原癌E.肛周Paget病

作者: rantiku 人气: - 评论: 0
问题 肛管及肛门周围恶性肿瘤中,最常见的是
选项 A.鳞癌 B.基底细胞癌 C.恶性黑色素瘤 D.一穴肛原癌 E.肛周Paget病
答案 A
解析 :鳞癌占肛管及肛周癌的50%~75%,最常见。

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