临床上区分高位肛瘘与低位肛瘘的标志为A．肛提肌B．内括约肌C．外括约肌D．联合状肌E．肛管直肠环

作者: rantiku 人气: - 评论: 0

问题临床上区分高位肛瘘与低位肛瘘的标志为

选项 A．肛提肌 B．内括约肌 C．外括约肌 D．联合状肌 E．肛管直肠环

答案 E

解析：临床上将瘘管位于肛管直肠环以上者称高位肛瘘，瘘管位于肛管直肠环以下称低位肛瘘。

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