MRI自旋回波序列T1加权像上肾皮、髓质之间信号强度的差异即形成皮髓质分辨是由于?(?)A.肾皮质含较多自由水,信号较髓质低B.肾髓质含较多自由水,信...

作者: rantiku 人气: - 评论: 0
问题 MRI自旋回波序列T1加权像上肾皮、髓质之间信号强度的差异即形成皮髓质分辨是由于?(?)
选项 A.肾皮质含较多自由水,信号较髓质低 B.肾髓质含较多自由水,信号较皮质低 C.肾皮,髓质之间有化学位移伪影 D.肾髓质含有脂肪成分,信号较皮质高 E.肾皮质含有脂肪成分,信号较髓质高
答案 B
解析

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