...DWI成像技术通常采用回波平面成像技术（echo planar imaging EPI），它可和任意常规MR成像序列组合，如自旋回波（spin echo SE）和梯度 回波，在肝脏通常用SE—EPI技术。
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Materials and Methods:40 patients were studied using FLAIR sequence and conventional spin echo(SE). The mode of presentation of the lesions were compared.
材料与方法：对40例脑部受检查者分别使用FLAIR序列及常规自旋回波（SE）序列进行对比分析。
All MR imaging was performed by using spin echo(SE)and short time inversion recovery(STIR)sequences.
均采用自旋回波（SE）、短时反转恢复（STIR）序列。
Perfusion MR images were obtained with spin-echo echo planar imaging (SE-EPI) techniques.
运用自旋回波-回波平面成像(SE - EPI)技术行MR灌注成像。
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