Methods 77 cases of suspected brain infarction were included in the group and received MR scan by sequences of T1WI, T2WI, DWI and FLAIR with the low field MR scanner (magnetic field of 0.35 T).

• 方法应用(0.；35T)磁共振T1WI、T2WI、FLAIR和DWI序列对77例脑梗塞病人进行扫描；分析各序列显示的结果及信号强度特点。