使用MRI对比剂的目的主要是（） -题库考试答案搜索网

使用MRI对比剂的目的主要是（）

单选题

2021-12-25 13:50

A、增加各组织之间及组织与病变之间信号强度对比
B、降低病灶的信号强度
C、提高图像的信噪比和对比噪声比，有利于病灶的检出
D、减少图像伪影
E、用于CT增强未能检出的病灶

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正确答案

A

试题解析

Gd-DTPA是顺磁性物质，能显著缩短T与T时间，从而改变组织的信号特性。

标签： MRI成像基础专业理论医学影像诊断临床病理科住院医师

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