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目的探讨子宫动脉三维CE-MRA的临床意义及解剖特征。方法搜集35例患者子宫动脉CE-MRA原始数据,利用MIP、VR及原始薄层进行图像后处理。重组后观察子宫动脉开口的最佳显示位置及角度。结果子宫动脉42支起源于髂内动脉的三叉支,18支起源于臀下动脉第1分支,5支起源于臀下2、3分支,3支起源于髂内动脉主干,2支起源于卵巢动脉。双侧子宫动脉开口正位清晰显示率为54%,斜位清晰显示率46%。结论应用CE-MRA子宫动脉三维重组可清晰观察子宫动脉的开口起源、解剖特征及最佳投照角度,子宫动脉栓塞前行CE-MRA能更好地指导介入治疗。
Objective To investigate the clinical significance and anatomic features of three-dimensional uterine artery CE-MRA. Methods The raw data of CE-MRA in 35 cases of uterine artery were collected and processed by MIP, VR and original thin layer. After reorganization observation of uterine artery opening the best display position and angle. Results 42 uterine arteries originating from the trigeminal branch of the internal iliac artery, 18 originated from the first branch of the inferior gluteal artery, 5 originated from the inferior 2,3 branches, 3 originated from the internal iliac artery and 2 originated from the ovary artery. Bilateral uterine artery opening is a clear indication of the rate was 54%, clearly show the rate of oblique 46%. Conclusion CE-MRA uterine artery three-dimensional reconstruction can clearly observe the origin of the uterine artery opening, anatomic features and the best perspective of projection, uterine artery embolization CE-MRA can better guide the intervention.