Table 1.

Studies measuring diagnostic accuracy of different MRI and US modalities in detecting fibrosis and inflammation in Crohn’s disease against histopathological/surgical specimens

Author (n=number of study participants)	Modality	Anatomical location	Fibrosis		Inflammation/Ulceration
			Sensitivity (%)	Specificity (%)	Sensitivity (%)	Specificity (%)
Rimola et al n=4143	MRI T2	Small bowel, colonic	94	89	85	100
Huang et al n=2744	MRI T2	Small bowel	92	90	n/a	n/a
Zhang et al n=2645	MRI-IVIM-DWI	Small bowel, colonic	93	82	n/a	n/a
Li et al n=315	MT-MRI	Small bowel	96	92	n/a	n/a
Chen et al n=3546	US+SWE	Small bowel, colonic	70	92	88	58
Ding et al n=2547	US+pSWE	Small bowel, colonic	75	100	n/a	n/a

IVIM-DWI, intravoxel incoherent motion-diffusion weighted imaging; MT, magnetisation transfer; n/a, not available; pSWE, point shear wave elastography; SWE, shear wave elastography; US, ultrasonography.