矢状面SPIR结合动态增强技术在子宫内膜癌分期中的价值

Value of Sagittal SPIR Pulse Sequence MR Imaging with Dynamic Enhancement in Pre-operative Staging of Endometrial Carcinoma

目的:探讨矢状面SPIR结合动态增强技术在子宫内膜癌分期中的价值。方法:85例经手术病理证实的子宫内膜癌患者均行MRI横断面T1WI、T2WI,矢状面T2WI SPIR、Gd-DTPA动态增强及常规横断面T1WI增强扫描,观察肿瘤、结合带及肌层侵犯情况,将矢状面SPIR结合动态增强与其它序列比较。结果:对明确肿瘤性质、判断子宫结合带中断及肌层侵犯,矢状面SPIR结合动态增强序列明显优于其它序列。结论:矢状面SPIR结合动态增强技术对子宫内膜癌术前分期有重要价值,应成为子宫内膜癌术前常规的一种检查技术。

Objective：To evaluate the role of sagittal SPIR （spectral presaturation with inversion recovery） pulse sequence with dynamic enhancement MRI technique in endometrial carainoma preoperative staging. Methods：85 cases of pathologically confirmed endometrial carcioma patients were studied retrospectively to assess the staging capability by MRI. Axial TSE T1WI and T2WI, sagittal TSE T2WI and SPIR, sagittal and axial dynamic Gd-DTPA enhanced TSE T1WI were used. Details of the tumor, involvement of junctional zone, muscular layer and structures adjacent to the tumor were observed on MR scans. The tumor staging capability of sagittal dynamic Gd-DTPA enhanced SPIR pulse with those of other pulse sequence techniques was comparatively assessed. Results： For showing tumor features of endometrial carcinoma, interruption of junctional zone and invasion of the muscular layer, sagittal dynamic enhanced SPIR pulse sequence was superior to other sequences. Conclusion：Sagittal dynamic enhanced SPIR pulse sequence was very useful for pre-operative staging of endometrial carcinoma, therefore, it might be recommended as a regular examination for pre-operative staging in endometrial carcinoma cases.