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炎症性肠病(IBD)是一种特发性肠道炎性疾病,常需多次影像学检查以评价疾病其活动性及并发症等。近年磁共振小肠成像(MRE)和扩散加权成像(DWI)在检测和描述肠道病变中的价值越来越突显,成为年轻病人及肾功能不全病人首选检查模式。其表观扩散系数(ADC)可作为定量评价炎症性肠病活动性及严重程度的重要指标。本文综述MRE和DWI在检测、描述IBD、定量评价疾病活动及并发症中的价值。
Inflammatory bowel disease (IBD) is an idiopathic inflammatory bowel disease, often multiple imaging studies to assess the disease activity and complications. In recent years, magnetic resonance imaging of small bowel (MRE) and diffusion-weighted imaging (DWI) in the detection and description of the value of intestinal lesions more and more prominent, as young patients and renal insufficiency patients preferred examination mode. Its apparent diffusion coefficient (ADC) can be used as a quantitative indicator of inflammatory bowel disease activity and severity of an important indicator. This article reviews the value of MRE and DWI in the detection and characterization of IBD for the quantitative evaluation of disease activity and complications.