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目的 评价数字减影血管造影（DSA）、三维计算机断层扫描血管造影（3D－CTA）和磁共振血管成像技术（MRA）对于脑动静脉畸形（AVM）成像的价值。方法 43例脑AVM前瞻性对照研究。结果 3D－CTA阳性率100％。与DSA比较：供血动脉的来源、数目和形态100％吻合；引流静脉33例完全吻合（78．6％），9例部分吻合（21．4％）；病灶部位、大小以及深度100％吻合。MRA阳性率95．8％，1例假阴性（4．2％）。与DSA影像比较：供血动脉17例完全吻合（70．8％），6例部分吻合（25．0％）；引流静脉14例完全吻合（58．3％），9例部分吻合（37．5％）；病灶部位、大小以及深度98．5％吻合。结论 DSA是脑AVM成像的 “金标准”。3D－CTA和MRA技术的发展为AVM影像学诊断提供了高准确性、无创性的替代和补充。
Objective To evaluate the value of digital subtraction angiography (DSA), three-dimensional computed tomography angiography (3D-CTA) and magnetic resonance angiography (MRA) in the imaging of cerebral arteriovenous malformations (AVM). Methods 43 cases of brain AVM prospective controlled study. Results The positive rate of 3D-CTA was 100%. Compared with DSA, the number and morphology of feeding arteries were 100% identical. Drainage veins were completely matched in 33 cases (78.6%) and 9 cases were partially matched (21.4%). The location, size and depth of lesion matched 100%. MRA positive rate was 95.8%, 1 case of false negative (4.2%). Compared with DSA images, 17 cases were completely anastomosed (70.8%), 6 cases partially matched (25.0%), 14 cases completely matched with drainage veins (58.3%) and 9 cases partially matched %); Lesion location, size and depth of 98.5% match. Conclusion DSA is the “gold standard” for brain AVM imaging. The development of 3D-CTA and MRA technology provides high accuracy, non-invasive alternative and supplement for AVM imaging diagnosis.