团注对比剂后,血液的T1值变化特点为()A、持续的时间比较短,因此需要超快速序列采集B、血液的T1值缩短不明显,需要权重很重的T1WI序列采集C、对比剂流经不同的血管可造成相应血管内血液的T1值发生变化D、随血液流动可进行多层块采集拼接,观察从近心大血管到四肢血管E、多期相扫描可显示不同的血管
团注对比剂后,血液的T1值变化特点为()
- A、持续的时间比较短,因此需要超快速序列采集
- B、血液的T1值缩短不明显,需要权重很重的T1WI序列采集
- C、对比剂流经不同的血管可造成相应血管内血液的T1值发生变化
- D、随血液流动可进行多层块采集拼接,观察从近心大血管到四肢血管
- E、多期相扫描可显示不同的血管
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