The MR venography with 3D-CE-MRA combined with 2D-PCA and 2D-TOF-MRA are optimal sequences in the intracranial venous system. MRV plays an important role in making preoperative evaluation and in guiding clinical management.

• 3D CE MRA结合 2D PCA及 2D TOF MRA静脉成像技术为脑静脉系最佳成像方案。