Materials and Methods 3D TOF MRA was performed, using a 1.5T superconductive MR unit, in 36 cases with cerebral aneurysm, of which 31 cases underwent additional DSA.

• 材料与方法 经手术治疗 3 6例颅内动脉瘤患者 ；均用 1.；5T超导MR系统 3DTOF法作MRA检查；其中 3 1例经DSA检查。