Methods Four sequences of conventionality and PROPELLER axial T_2-weighted imaging (T_2WI) and/or diffusion weighted imaging (DWI) were performed in ten normal volunteers with head ceaseless motion and 64 clinical subjects.

• 方法对10例健康志愿者在头部晃动状态下、64例头颅MR检查中出现躁动不合作或口腔有固定金属异物的患者,应用propeller技术进行T2WI和(或)扩散加权成像(DWI),与常规T2WI和(或)DWI进行对比。