目的：比较3D-TOF-MRA与3D-CE-MRA对颈动脉海绵窦瘘（CCF）的诊断价值。方法：选取CCF患者 20例，所有患者均行MRI、3D-CE-MRA及3D-TOF-MRA检查，对比所有患者的3D-CE-MRA、3D-TOF-MRA 的眼上静脉扩张、海绵窦显影、海绵间窦显影、岩上窦扩张显影、岩下窦扩张显影、瘘口显示表现情况。结 果：与3D-TOF-MRA检查相比，3D-CE-MRA的海绵窦显影、海绵间窦显影、岩上窦扩张显影、岩下窦扩张显 影和瘘口显示的例数增高（P＜0.05），3D-TOF-MRA、3D-CE-MRA对眼上静脉扩张的显示率之间的差距无 统计学意义（P＞0.05）。结论：3D-CE-MRA对CCF的诊断具有快捷、无创、简便的优点，较3D-TOF-MRA具 有更优的海绵窦扩张显像、引流静脉扩张显像以及瘘口显像。

To compare the diagnostic value of 3D-TOF-MRA and 3D-CE-MRA in carotid cavernous fistula(CCF). Methods: Twenty patients with CCF were enrolled. All patients underwent MRI, 3D-CE-MRA, and 3D-TOF-MRA examination. The visualization ratios of superior ophthalmic vein dilatation, sinus cavernosus, sinus intercavernosi, superior petrosal sinus dilatation, inferior petrosal sinus dilatation, and fistula of 3D-CE-MRA and 3D-TOF-MRA were compared in all patients. Results: Compared with 3D-TOF-MRA, the visualization ratios of sinus cavernosus, sinus intercavernosi, superior petrosal sinus dilatation, inferior petrosal sinus dilatation, and fistula of 3D-CE-MRA were increased (P<0.05). There was no significant difference between 3D-TOF-MRA and 3D-CE-MRA in the visualization ratios of superior ophthalmic vein dilatation (P>0.05). Conclusion: 3D-CE-MRA diagnosis of CCF is fast, non-invasive, and functionally simple. Compared to 3D-TOF-MRA, 3D-CE-MRA provides better imaging of cavernous sinus expansion and draining vein expansion as well as better fistula imaging