多模态MRI成像技术在直肠癌术前TN分期中的应用

Application of Multimodal MR Imaging in Preoperative TN Staging of Rectal

目的:探讨多模态MRI成像技术在直肠癌术前TN分期中的应用。方法:选取我院2016年8月至2020年1月收治的81例行肠镜及病理确诊的直肠癌患者,术前均行多模态MRI成像技术包括薄层MRI平扫+增强加弥散加权成像(DWI)检查,以手术病理结果为金标准,分析比较术前MRI TN分期与术后病理结果。结果:81例直肠癌患者中,多模态MRI T分期总准确率86.42%(70/81),与病理分期一致性检验具有较高一致性;多模态MRI N分期总准确率81.5%(66/81),一致性较好。结论:多模态MRI成像技术在直肠癌术前TN分期中的应用,对提高分期诊断准确率有很大帮助,有助于临床决策,促进精准诊疗。

[Objective]To investigate the application of multimodal MR imaging in preoperative TN staging of rectal cancer.[Method]We selected 81 patients with rectal cancer admitted in our hospital from August 2016 to January 2020 who were diagnosed by colonoscopy and pathology.Preoperative multimodal MR imaging was performed,including thin-layer MRI plain scan+enhanced diffusion weighted imaging(DWI)examination.The gold standard is the result of operation and pathology.Preoperative MRI TN staging was compared with postoperative pathological results.[Result]Among the 81 patients with rectal cancer,the overall accuracy of multimodal MRI T staging was 86.42%(70/81),which was highly consistent with the consistency test of pathological staging.The rate of metastatic lymph nodes was 81.5%(66/81),showing good consistency.[Conclusion]The application of multi-mode MR imaging in preoperative TN staging of rectal cancer is very helpful to improve the accuracy of staging diagnosis,help clinical decision-making and improve the accuracy of diagnosis and treatment.