虽然家族性颅内动脉瘤少见,但文献里有详细的报道。本文报告四个家族中8例动脉瘤,并简要讨论家族性颅内动脉瘤的特点。第一家是母子二人同患动脉瘤。年龄分别为66岁和28岁。母亲在施行手术前因再次出血而死亡,儿子的动脉瘤经手术钳闭后随访五年效果满意。另外 Although familial intracranial aneurysms are rare, there are detailed reports in the literature. This article reports 8 aneurysms in the four families and briefly discusses the characteristics of familial intracranial aneurysms. The first one is a mother and child with aneurysm. The ages are 66 and 28 respectively. The mother died of rebleeding prior to surgery, and her son’s aneurysm was satisfactory after a follow-up of five years. In addition