与TOF法MRA相比，PC法MRA的优点不包括（） -题库考试答案搜索网

与TOF法MRA相比，PC法MRA的优点不包括（）

单选题

2022-08-10 17:54

A、背景组织信号抑制更佳
B、成像时间更短
C、可以进行血液流速和流量检测
D、慢速小血管显示较好
E、平行于扫描层面的血管显示较好

查看答案

正确答案

B

试题解析

要施加三个方向的流速编码梯度场，所以成像时间较TOF法MRA长。

标签： MRI成像基础放射科基础知识放射科综合复习广西住院医师

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