问题
单项选择题
青年男性，近1周因便秘出现便血，为鲜红色血，伴便时剧烈疼痛，最有可能的诊断为（）
A.内痔
B.混合痔
C.肛裂
D.直肠息肉
E.早期直肠癌
答案
参考答案：C
解析：便时疼痛伴便血是肛裂的典型临床表现。
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青年男性，近1周因便秘出现便血，为鲜红色血，伴便时剧烈疼痛，最有可能的诊断为（）
A.内痔
B.混合痔
C.肛裂
D.直肠息肉
E.早期直肠癌
参考答案：C
解析：便时疼痛伴便血是肛裂的典型临床表现。
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