题目内容

男性，36岁，肛门胀痛、排尿困难、发热1周。体检；肛门发红，左侧压痛；直肠指检：肛管左侧局限性隆起，压痛明显，诊断为

A. 肛门旁皮下脓肿
B. 骨盆直肠间隙脓肿
C. 坐骨肛管间隙脓肿
D. 直肠后间歇脓肿
E. 直肠黏膜下脓肿

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