MR diffusion weighted imaging ( DWI) in vivo detects the microscopic diffusion of molecular in the tissue by special MR series . It has the advantage of fast imaging and easy processing.

• 磁共振弥散加权成像(Diffusion Weighted Imaging，DWI)能够检测活体组织中分子的微观弥散运动，具有成像速度快，后处理简便快捷等优点。