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目的：比较磁共振常规序列联合LAVA增强扫描和常规序列联合DWI在子宫内膜癌术前评估和分期中的价值。方法回顾性分析45例经手术病理证实的子宫内膜癌患者术前磁共振成像，包括常规T1WI FSE、T2WI-fs FSE序列和LAVA-flex动态增强序列、DWI序列(b=0和700s/mm2)；评估子宫内膜癌肿块浸润深度和范围，与手术病理进行对照研究。结果45例病例中1例漏诊；余44例中常规序列联合LAVA增强评估肿瘤侵犯的准确率为88.6%(39/44)，联合DWI评估肿瘤侵犯的准确率为72.7%(32/44)。结论常规序列联合LAVA增强扫描较联合DWI序列在子宫内膜癌术前评估和分期中准确率更高。“,”Objective To compare the value of conventional sequence combined with LAVA enhanced scan technique and conventional sequence combined with DWI in preoperative assessment and staging of endometrial cancer. Methods Data of 45 patients with endometrial cancer proved by postoperative pathology were retrospectively reviewed. The preoperative magnetic resonance imaging including T1WI FSE、T2WI-fs FSE and LAVA-flex enhanced scan technique,DWI (b=0 and 700s/mm2)to describe tumor infiltration depth and range, and the results were compared with those of pathology. Results Among the 45 cases, 1 case of missed diagnosis. The accuracy of conventional sequence combined with LAVA enhanced scan technique imaging in detecting neoplasm invasiveness was 88.6%(39/44),of conventional sequence combined with DWI was 72.7%(32/44). Conclusion In preoperative assessment and staging of endometrial cancer, conventional sequence combined with LAVA enhanced scan technique has higher accuracy than conventional sequence combined with DWI.