题目内容
下列哪些是克罗恩病的X线造影表现：
2021-09-30
A.分泌增多，钡剂涂布不良
B.“卵石征”
C.肠管非对称性狭窄，呈节段性和跳跃性
D.肠腔异常相通
E.病变以系膜对侧缘肠壁明显
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