Noninvasive Multimodal Methods to Differentiate Inflamed vs Fibrotic Strictures in Patients With Crohn's Disease

被引:44
作者
Allocca, Mariangela [1 ,2 ]
Fiorino, Gionata [1 ,2 ]
Bonifacio, Cristiana [3 ]
Peyrin-Biroulet, Laurent [4 ,5 ]
Danese, Silvio [1 ,2 ]
机构
[1] Humanitas Clin & Res Ctr, Inflammatory Bowel Dis Ctr, Milan, Italy
[2] Humanitas Univ, Dept Biomed Sci, Via Manzoni 113, I-20089 Milan, Italy
[3] Humanitas Clin & Res Ctr, Div Diagnost Radiol, Milan, Italy
[4] Lorraine Univ, Univ Hosp Nancy, Dept Gastroenterol, Nancy, France
[5] Lorraine Univ, Univ Hosp Nancy, Inserm U954, Nancy, France
关键词
IBD; MRE; CTE; DWI; PET; DIFFUSION-WEIGHTED MRI; CONTRAST-ENHANCED ULTRASOUND; MULTISPECTRAL OPTOACOUSTIC TOMOGRAPHY; REAL-TIME ELASTOGRAPHY; FATTY LIVER-DISEASE; MAGNETIC-RESONANCE; SMALL-BOWEL; INTESTINAL FIBROSIS; COMPUTED-TOMOGRAPHY; PET/CT ENTEROGRAPHY;
D O I
10.1016/j.cgh.2019.04.025
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
Fibrotic strictures occur in 30% of patients with Crohn's disease (CD). However, there are no therapeutic agents that prevent or reverse fibrotic strictures. Strictures are treated by endoscopic dilatation procedures and surgical procedures, but there are high rates of recurrence. Two antifibrotic agents (nintedanib and pirfenidone) recently were approved for the treatment of idiopathic pulmonary fibrosis and inhibitors of Rho-associated protein kinases 1 and 2 reversed fibrosis in mice with chronic intestinal inflammation. Cross-sectional imaging techniques, such as magnetic resonance (MR) enterography, computed tomography enterography, and bowel ultrasound, are used to assess small-bowel and CD-related complications, including strictures. It is important to be able to determine the degree of inflammation and fibrosis in strictures to select the best therapy; this can be a challenge because inflammation and fibrosis co-exist to varying degrees in a damaged bowel segment. Delayed gadolinium enhancement, magnetization transfer MR imaging, and ultrasound elastography seem to be promising tools for assessing fibrosis in patients with CD. We review noninvasive techniques for fibrosis assessment, including analyses of genetic, epigenetic, and protein markers. We discuss the potential of imaging techniques such as diffusion-weighted and magnetization transfer MR imaging, strain elastography, shear-wave imaging, and positron emission tomography to guide therapeutic decisions for patients with stricturing CD.
引用
收藏
页码:2397 / 2415
页数:19
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