直肠癌 MRI 分期：GRERCAR 和 GRECCAR 组的 RAC（反应-肛门管-CRM）分析联合共识指南。
MRI restaging of rectal cancer: The RAC (Response-Anal canal-CRM) analysis joint consensus guidelines of the GRERCAR and GRECCAR groups.
机构信息
Department of Radiology IRCM, Montpellier Cancer Research Institute, 34000 Montpellier, France; INSERM, U1194, University of Montpellier, 34295, Montpellier, France.
Department of Radiology, CHU Lyon-Sud, EMR 3738 CICLY, Université Claude-Bernard Lyon 1, 69495 Pierre-Benite, France.
出版信息
Diagn Interv Imaging. 2023 Jul-Aug;104(7-8):311-322. doi: 10.1016/j.diii.2023.02.002. Epub 2023 Mar 16.
PURPOSE
To develop guidelines by international experts to standardize data acquisition, image interpretation, and reporting in rectal cancer restaging with magnetic resonance imaging (MRI).
MATERIALS AND METHODS
Evidence-based data and experts' opinions were combined using the RAND-UCLA Appropriateness Method to attain consensus guidelines. Experts provided recommendations for reporting template and protocol for data acquisition were collected; responses were analysed and classified as "RECOMMENDED" versus "NOT RECOMMENDED" (if ≥ 80% consensus among experts) or uncertain (if < 80% consensus among experts).
RESULTS
Consensus regarding patient preparation, MRI sequences, staging and reporting was attained using the RAND-UCLA Appropriateness Method. A consensus was reached for each reporting template item among the experts. Tailored MRI protocol and standardized report were proposed.
CONCLUSION
These consensus recommendations should be used as a guide for rectal cancer restaging with MRI.
目的
制定国际专家指南，以规范直肠癌 MRI 再分期中的数据采集、图像解读和报告。
材料与方法
采用 RAND-UCLA 适宜性方法结合循证数据和专家意见，达成共识指南。专家们提供了报告模板的建议，并收集了数据采集协议；对回复进行了分析，并分为“推荐”和“不推荐”（如果专家意见达成≥80%的共识）或不确定（如果专家意见达成<80%的共识）。
结果
采用 RAND-UCLA 适宜性方法，就患者准备、MRI 序列、分期和报告达成了共识。专家们对每个报告模板项目达成了共识。提出了定制的 MRI 方案和标准化报告。
结论
这些共识建议应作为直肠癌 MRI 再分期的指南。
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