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目的：探讨ＣＴＡ对颅内血管性病变的诊断价值。材料与方法：应用螺旋增强ＣＴ扫描获得原始轴面图像，采用ＳＳＤ和ＭＩＰ技术进行扫描范围内脑血管三维成像。本组２０例典型病例，包括颅内动脉瘤１４例，ＡＶＭ５例，静脉性血管畸形１例。结果：ＣＴＡ可以清晰显示颅内动脉瘤及血管畸形的部位、形态、大小、起源以及与周围脑血管和颅骨的解剖关系。结论：ＣＴＡ对颅内血管性病变，尤其是动脉瘤或ＡＶＭ引起的急性脑出血、蛛网膜下腔出血病因的诊断是一种快捷、安全、简单的检查方法，对外科治疗方案的设计有指导作用。
Objective: To investigate the diagnostic value of CTA for intracranial vascular lesions. MATERIALS AND METHODS: Primary axial images were obtained by helical enhanced CT scanning. Three-dimensional imaging of cerebrovascular vessels was performed using SSD and MIP techniques. The group of 20 typical cases, including 14 cases of intracranial aneurysms, AVM5 cases, 1 case of venous vascular malformations. Results: CTA can clearly show the location of intracranial aneurysms and vascular malformations, their morphology, size, origin and anatomic relationship with the surrounding cerebral blood vessels and skull. Conclusion: The diagnosis of intracranial vascular lesions, especially aneurysms or AVM-induced acute cerebral hemorrhage and subarachnoid hemorrhage is a quick, safe and simple method for the diagnosis of surgical treatment of CTA. effect.