题目内容
肠套叠的声像图特征，以下说法正确的是
2022-01-25
A.长轴切面套叠肠管可见“套筒”样征象
B.短轴切面呈“靶环征”
C.套叠以上的肠管扩张
D.突发腹部包块伴腹痛、呕吐
E.以上都是
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