Diagnostic accuracy of high-resolution MR enterography in Crohn's disease: Comparison with surgical and pathological specimen

Accuracy of magnetic resonance enterography in the preoperative assessment of patients with Crohn's disease of the small bowel

“…Pooled results of seven studies with an adequate reference standard (endoscopy and/or surgery), showed that the sensitivity of MRI for diagnosis of stenosis was 89% and the specificity 94% [1]. In this meta-analysis only two studies [15,16] (with four and six patients) used surgery [17][18][19][20]. Similar to our series, Fallis et al [17] demonstrated in a group of 51 patients that sensitivity and specificity of MRE for diagnosis of distal ileal/ileo-caecal involvement were 97% and 95%, respectively, while results were worse for more proximal bowel segments.…”

MR Enterographic Findings as Biomarkers of Mucosal Healing in Young Patients With Crohn Disease

“…The significance of dichotomous imaging findings and endoscopic assessment of disease activity was determined by Fisher exact test. For wall thickness, a cutoff of 4 mm was considered abnormally thickened [15,[31][32][33]. MR index of activity and relative contrast enhancement both were analyzed as a binary variable with a range of threshold values for detecting mucosal healing.…”

Transient angioedema of small bowel secondary to intravenous iodinated contrast medium

“…[89] Irregular, shaggy enhancement of the asymmetrically thickened bowel wall, omental thickening, and mesenteric and peritoneal inflammation with necrotic lymphadenopathy are suggestive of intestinal tuberculosis. [10] Occluding thrombus may be apparent in case of ischemic bowel disease.…”