Sorne advantages in the field were described in detail including the basie principle,method and application of diffusion tensor MR imaging and its future and prospect.

• 本文重点介绍了人脑水分子扩散的各向异性、磁共振扩散张量成像的基本原理、方法以及磁共振扩散张量成像的应用前景和展望。