题目内容
细菌性肝脓肿的声像图表现,不可能出现的是( )
2021-10-14
A.肝内单个低回声区
B.肝内数个中等回声,内部回声不均匀
C.肝内不规则无回声区,边界不清楚
D.肝内无回声区,壁薄而光滑
E.肝内无回声区中伴斑点状回声,可伴强回声气体
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