In 30 cases,direct surgery were com-plished which included ligation or clip of aneurysmalneck in 21 cases,resection of aneurysm in 5 cases andwrapping of aneurysm in 4 cases.

• 30例行颅内动脉瘤直接手术,其中动脉瘤颈结扎或夹闭术21例,动脉瘤切除术5例,动脉瘤包裹术4例。