题目内容
关于肝脓肿的超声表现，错误的是 （ ）
2021-10-14
A.囊液透声良好
B.后方回声可有增强
C.襄壁增厚呈髙回声且不光滑
D.脓肿完全液化后呈典型的无回声区
E.脓肿皁期病变呈低回声至中等回声甚 至强回声
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