题目内容
对于低回声型肝癌描述,不正确的是( )
2021-10-14
A.较小瘤体多呈圆形,轮廓尚清晰
B.无后壁回声,仅后方回声轻度增强
C.有些瘤体内部回声近似无回声,有少许点状回声
D.瘤体内部血流较丰富
E.瘤体后方有轻度声波衰减
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