A.括约肌间肛瘘B.经括约肌肛瘘C.括约肌上肛瘘D.括约肌外肛瘘E.以上都不是最常见的肛瘘为

作者: rantiku 人气: - 评论: 0
问题 A.括约肌间肛瘘 B.经括约肌肛瘘 C.括约肌上肛瘘 D.括约肌外肛瘘 E.以上都不是 最常见的肛瘘为
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答案 A
解析 :瘘管只穿过内括约肌,常是肛周脓肿的结果,最常见。

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