题目内容
胃恶性淋巴瘤的声像图特征,以下描述不 正确的是
2022-01-25
A.肿瘤位于黏膜下,黏膜皱襞呈拱桥样
B.管腔狭窄明显
C.淋巴瘤多为无回声,内部回声均匀,透 声好
D.胃壁增厚,瘤体呈低回声
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