题目内容
以下关于肠套叠说法,错误的是( )。
2021-11-06
A.发病年龄6个月〜2岁
B.分为原发性和继发性两种
C.套叠的肠管横断面有四层套筒
D.近端肠管壁水肿,增厚
E.周围网膜、系膜或套人部分可见淋巴结肿大
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