MR imaging in Crohn's disease: correlation of MR motility measurement with histopathology in the terminal ileum

Cullmann, J L; Bickelhaupt, S; Froehlich, J M; Szucs-Farkas, Z; Tutuian, Radu; Patuto, N; Dawson, H; Patak, M A (2013). MR imaging in Crohn's disease: correlation of MR motility measurement with histopathology in the terminal ileum. Neurogastroenterology and motility, 25(9), 749-e577. Oxford: Blackwell Science 10.1111/nmo.12162

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BACKGROUND: The objective of the study was to correlate MR-detectable motility alterations of the terminal ileum with biopsy-documented active and chronic changes in Crohn's disease. METHODS: This IRB approved retrospective analysis of 43 patients included magnetic resonance enterography (MRE) and terminal ileum biopsies (<2 weeks apart). Motility was measured at the terminal ileum using coronal 2D trueFISP pulse sequences (1.5T MRI,TR 83.8,TE1.89) and dedicated motility assessment software. Motility grading (hypermotility, normal, hypomotility, complete arrest) was agreed by two experienced readers. Motility was compared and correlated with histopathology using two-tailed Kruskal-Wallis test and paired Spearman Rank-Order Correlation tests. KEY RESULTS: Motility abnormalities were present in 27/43 patients: nine hypomotility and 18 complete arrest. Active disease was diagnosed on 15 biopsies: eight moderate and seven severe inflammatory activity. Chronic changes were diagnosed on 17 biopsies: 13 moderate and four severe cases. In four patients with normal motility alterations on histopathology were diagnosed. Histopathology correlated with presence (P = 0.0056 for hypomotility and P = 0.0119 for complete arrest) and grade (P < 0.0001; P = 0.0004) of motility alterations. A significant difference in the motility was observed in patients with active or chronic CD compared with patients without disease (P < 0.001; P = 0.0024). CONCLUSIONS & INFERENCES: MR-detectable motility changes of the terminal ileum correlate with histopathological findings both in active and chronic CD. Motility changes may indicate the presence pathology, but do not allow differentiation of active and chronic disease.

Item Type:	Journal Article (Original Article)
Division/Institute:	04 Faculty of Medicine > Department of Gastro-intestinal, Liver and Lung Disorders (DMLL) > Clinic of Visceral Surgery and Medicine > Gastroenterology 04 Faculty of Medicine > Department of Radiology, Neuroradiology and Nuclear Medicine (DRNN) > Institute of Diagnostic, Interventional and Paediatric Radiology
UniBE Contributor:	Cullmann, Jennifer, Tutuian, Radu
ISSN:	1350-1925
Publisher:	Blackwell Science
Language:	English
Submitter:	Factscience Import
Date Deposited:	04 Oct 2013 14:39
Last Modified:	05 Dec 2022 14:12
Publisher DOI:	10.1111/nmo.12162
PubMed ID:	23741963
Web of Science ID:	000322594200010
URI:	https://boris.unibe.ch/id/eprint/15743 (FactScience: 223172)