题目内容
关于“脑梗死”,下列观点哪项不对:
2021-09-30
A.发病24小时内CT可正常
B.发病24小时内,MRI可有阳性发现
C.发病24小时强化最明显
D.发病24小时后,出现边缘模糊低密度影
E.对小脑、脑干小病变,MRI优于CT
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