Conclusion: Postcontrast CT, MRI and DSA are effective methods for DVA diagnosis and evaluation, and DSA is the golden standard in differential diagnosis with other vascular malformation.

• 结论：增强CT、MRI以及DSA检查均能正确诊断和评价DVA，DSA是诊断DVA并与其它血管畸形鉴别的金标准；