题目内容
胃平滑肌瘤的声像图特征,以下说法不正 确的是
2022-01-25
A.肿瘤内可发生坏死、出血使内部回声不 均匀
B.瘤体呈圆形或类圆形,直径小于5cm
C.肿瘤可向腔内生长并将黏膜层顶起
D.肿瘤易出现溃疡,常有较深大的不规则 溃疡
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