【摘 要】：目的：探讨宫颈癌放疗后盆腔软组织MRI特点。方法：纳入我院接收的宫颈癌38例患者为研究对象，放疗前后行常规盆腔MRI扫描和动态增强扫描，观察放疗前后宫颈癌影像学变化、动态增强扫描MRI的MRE差值、RE差值等各参数情况。结果：宫颈癌在放疗前、后4周内，其宫颈病灶MRE情况相比(P<0.05);颈癌在放疗前、后≥3个月，其宫颈病灶，MRE差值、RE差值情况相比(P<0.05)。在宫颈癌放疗后不同时段，宫颈病灶MRE差值和RE差值情况均有统计学差异(P<0.05)。结论：MRI动态增强扫描能有效的反映宫颈癌组织的血供情况，对肿瘤的准确评估及分期具有重要意义。

    【关键词】：放疗;MRI;盆腔软组织;宫颈癌

    Abstract：Objective：To analyze the characteristics of MRI in pelvic soft tissue of cervical cancer radiotherapy.Method：Thirty-eight patients with cervical cancer received in our hospital were studied. Routine pelvic magnetic resonance imaging and dynamic contrast-enhanced scanning were performed before and after radiotherapy. The imaging changes of cervical cancer ......