| 刘芳,周晓明,高远翔,隋庆兰,邵世宏.直肠癌高分辨MR表现与T2、T3分期的关系[J].中国医学影像技术,2016,32(10):1531~1535 |
| 直肠癌高分辨MR表现与T2、T3分期的关系 |
| Relationship of performances of high resolution MRI with T2,T3 staging of rectal cancer |
| 投稿时间：2016-04-26 修订日期：2016-08-01 |
| DOI：10.13929/j.1003-3289.2016.10.015 |
| 中文关键词: 直肠肿瘤 肿瘤分期 磁共振成像 病理学 |
| 英文关键词:Colorectal neoplasms Neoplasm staging Magnetic resonance imaging Pathology |
| 基金项目:青岛市黄岛区科技项目（2014-1-69） |
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| 中文摘要: |
| 目的 探讨直肠癌高分辨MRI的征象与其病理T2、T3分期的关系。方法 回顾性分析52例直肠癌患者的术前MRI征象（包括低信号环中断征、索条影、毛刺征及肠周结节征），结合病理结果比较各征象与直肠癌T2、T3分期的关系。结果 直肠癌T2、T3分期低信号环中断征、毛刺征及肠周结节征差异有统计学意义（P均<0.05），索条影差异无统计学意义（P=0.154）；低信号环中断征和肠周结节征与直肠癌病理T分期呈低度相关（r=0.333、0.313，P=0019、0.022），毛刺征与直肠癌病理T分期呈中度相关（r=0.523，P<0.001）；多因素回归分析显示毛刺征及肠周结节征可独立预测T3期直肠癌。结论 高分辨MRI对直肠癌术前T分期具有一定价值，其毛刺征及肠周结节征可以独立预测直肠癌T2、T3分期。 |
| 英文摘要: |
| Objective To evaluate the relationship between the performances of high resolution MRI (HR-MRI) and T2, T3 staging of rectal cancer.Methods Fifty-two rectal cancer patients were retrospectively analyzed, HR-MRI performances including tumor invades the muscularis propria, fibrous stripes sign, speculation sign and transmural nodules sign were compared with histopathological T2, T3 staging.Results The tumor invades the muscularis propria, speculation sign and transmural nodules sign were statistically significant (all P<0.05), and fibrous stripes sign had no statistical significance (P=0.154) for pathological T2, T3 staging of rectal cancer. Low correlation were found between tumor invades the muscularis propria, transmural nodules sign and T-stage (r=0.333, 0.313, P=0019, 0.022), moderate correlation were found between speculation sign and T-stage (r=0.523, P<0.001). In multivariate analysis, speculation sign and transmural nodules sign could independently predict the T3 colorectal cancer.Conclusion HR-MRI is useful in preoperative T-stage of colorectal cancer patients. Speculation sign and transmural nodules sign of HR-MRI can independently predict T2, T3 staging of rectal cancer. |
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