磁共振小肠造影多序列联合成像在小肠疾病诊断中的应用

蔡莉; 段楚玮; 朱云珍; 赵卫; 何波; 张振光

磁共振小肠造影多序列联合成像在小肠疾病诊断中的应用

昆明医科大学第一附属医院医学影像科

基金项目:

基金：云南省教育厅科学研究基金资助项目 (2015C010Y);

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出版历程
- 收稿日期: 2017-03-10

Application of Multiple MR Sequences in Detection of Small Bowel Diseases

Funds:

基金：云南省教育厅科学研究基金资助项目 (2015C010Y);

摘要

摘要: 目的探讨小肠MRI造影多序列应用方法及MRI造影对小肠病变的影像诊断.方法使用Philips Achieva 3.0T MR对临床疑诊小肠病变的34例患者进行MR小肠造影 (MRE) 多序列联合成像.扫描序列包括横断位、冠状位屏气单次激发快速自旋回波T2WI-TSE-BH序列, 冠状位平衡稳态自由进动序列 (BTFE) 、横断位扩散加权成像 (DWI) 序列及横断位、冠状位3D-THRIVE序列增强扫描.以不同等级评估小肠MRI扫描图像质量.判断各序列的应用价值.结果平扫COR-SSTSE-BH序列压脂图像显示最佳, 评估炎症性肠病的活动性弥散序列应用价值较高, 联合3D-THRIVE序列增强图像能为临床提供定性诊断.结论 MRE多序列联合扫描图像信息量大, 敏感度高, 对诊断小肠疾病有重要价值.
- 小肠造影 /
- 磁共振成像 /
- 肠道疾病
Abstract: Objective To investigate the application value of magnetic resonance enterography (MRE) with multiple sequences indetection of small bowel diseases. Methods Thirty-four patients with suspected small bowel diseases received MR enterography.The patients underwent MRE with multiple sequences including breath-hold T2-weighted turbo spin-echo sequence (T2 WI-TSE-BH) , diffusion weighted imaging (DWI) , Balanced steady-state free precession sequence (BTFE) , and enhanced 3 D-THRIVE scans.The side effects were recorded and the image quality was graded as bad, good and excellent. Then we compared the results between MR enterography and surgery, pathology or clinic was performed.Results Plain scan sequences of COR- (T2 WI-TSE-BH and DWI (b=800) resulted in the best image quality. Diffusion sequence was of great value for assessing enteritis activity, and augmented sequences led to high-quality images to meet the requirements of clinical diagnosis. Conclusion MRE with multiple sequences with more information, high sensitivity and non-ionizing radiation, can be used as an important method in diagnosis of intestinal diseases.
- Small bowel imaging /
- Magnetic resonance imaging /
- Intestinal disease

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参考文献(15)

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