Results: Among the 89 patients CTA revealed 69 cases with cerebral aneurysm, 9 arteriovenous malformation (AVM), 2 thrombus of venous sinues, 8 negative findings.

• 结果：89例患者中CTA检出动脉瘤70例，动静脉畸形9例，静脉窦血栓2例，阴性8例；