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 procedures of temporary clipping the parent artery narrowing the aneurysmal neck and puncture or resection of aneurysmal body should be undertaken for giant aneurysms.
对巨型动脉瘤应采取暂时夹闭载瘤动脉、穿刺或切开乃至切除瘤体、缩窄瘤颈等综合措施而不是单纯夹闭瘤颈。
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