Jejunal Inflammation in Crohn's Disease: Comparison Between Diffusion Weighted Magnetic Resonance Imaging and Video Capsule Endoscopy

Michal M. Amitai, Nadin Kanaan, Shelly Soffer, Lee Alper*, Noa Rozendorn, Daniel Jacob Harrington, Uri Kopylov, Adi Lahat, Doron Yablecovitch, Rami Eliakim, Shomron Ben-Horin, Eyal Klang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Jejunal disease is associated with worse prognosis in Crohn's disease. The added value of diffusion weighted imaging for evaluating jejunal inflammation related to Crohn's Disease is scarce. Objectives: To compare diffusion weighted imaging, video capsule endoscopy, and inflammatory biomarkers in the assessment of Crohn's disease involving the jejunum. Methods: Crohn's disease patients in clinical remission were prospectively recruited and underwent magnetic resonance (MR)-enterography and video capsule endoscopy. C-reactive protein and fecal-calprotectin levels were obtained. MR-en-terography images were evaluated for restricted diffusion, and apparent diffusion coefficient values were measured. The video capsule endoscopy-based Lewis score was calculated. Associations between diffusion weighted imaging, apparent diffusion coefficient, Lewis score, and inflammatory biomarkers were evaluated. Results: The study included 51 patients, and 27/51 (52.9%) with video capsule endoscopies showed jejunal mucosal inflammation. Sensitivity and specificity of restricted diffusion for video capsule endoscopy mucosal inflammation were 59.3% and 37.5% for the first reader, and 66.7% and 37.5% for the second reader, respectively. Diffusion weighted imaging was not statistically associated with jejunal video capsule endoscopy inflammation (P= 0.813). Conclusions: Diffusion weighted imaging was not an effective test for evaluation of jejunal inflammation as seen by video capsule endoscopy in patients with quiescent Crohn's disease.

Original languageEnglish
Pages (from-to)559-563
Number of pages5
JournalIsrael Medical Association Journal
Volume25
Issue number8
StatePublished - Aug 2023

Keywords

  • diagnosis and imaging
  • enterography
  • gastroenterology radiology
  • inflammatory bowel disease
  • magnetic resonance

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