Methods:(1)excision of aneurysmal sac and microsuturing for vascular reconstruction;
方法：（1）切除动脉瘤壁，重建载瘤动脉。
Objective: To introduce the surgical techniques of aneurysmal sac excision and parent vessel reconstruction in treatment for giant aneurysms.
目的：介绍颅内巨大动脉瘤体切除和载瘤血管重建手术方法。
Conclusion: The surgical techniques of aneurysmal sac excision and parent vessel reconstruction are effective in treatment for giant aneurysm.
结论：动脉瘤切除和载瘤动脉重建是手术治疗巨大动脉瘤有效的外科手段。
The small or giant aneurysm, aneurysmal sac, wall, body, mass effect can be showed by the source images, its signals of aneurysmal neck and sac was higher than MRA.
原始图像可发现小的和巨大动脉瘤，显示瘤腔、瘤壁、瘤体、占位效应准确，其瘤颈、瘤腔的信号多高于MRA；
The small or giant aneurysm, aneurysmal sac, wall, body, mass effect can be showed by the source images, its signals of aneurysmal neck and sac was higher than MRA.
原始图像可发现小的和巨大动脉瘤，显示瘤腔、瘤壁、瘤体、占位效应准确，其瘤颈、瘤腔的信号多高于MRA；
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