Saudi Journal of Gastroenterology
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ORIGINAL ARTICLE
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Magnetic resonance enterography and bowel ultrasonography in Saudi Arabian patients with Crohn's disease: A correlation study


1 Department of Radiology, Faculty of Medicine, King Abdulaziz University and King Abdulaziz University Hospital, Jeddah, Saudi Arabia
2 Department of Radiology, University of Jeddah, Jeddah, Saudi Arabia
3 Department of Internal Medicine, Faculty of Medicine, King Abdulaziz University and King Abdulaziz University Hospital; Inflammatory Bowel Disease Research Group, King Abdulaziz University, Jeddah, Saudi Arabia
4 Inflammatory Bowel Disease Research Group, King Abdulaziz University; Department of Pediatrics, Faculty of Medicine, King Abdulaziz University and King Abdulaziz University Hospital, Jeddah, Saudi Arabia

Correspondence Address:
Rani Ahmad,
Radiology Department, Faculty of Medicine, King Abdulaziz University, Jeddah
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sjg.sjg_261_21

PMID: 34380869

Background: Crohn's disease (CD) is a complex autoimmune disease that results in chronic inflammation of the gastrointestinal tract. CD activity is determined through clinical, laboratory, endoscopic, and radiological evaluations. Studies that examine the data of radiological modalities of evaluation are lacking, particularly in Saudi Arabia. This study compares magnetic resonance enterography (MRE) and ultrasonography (US) findings among patients diagnosed with CD, to uncover a possible correlation between these techniques. Methods: All patients were assessed for disease activity using MRE and US. Results: A total of 376 patients with CD were recruited. The mean age was 14.9 ± 4.3 years (range, 8–27 years), and males constituted 64% (n = 239) of the cohort. Overall, a strong positive correlation was found between US and MRE evaluations of disease activity (r = 0.83, P < 0.001). US activity correlated positively with MRE findings of enlarged lymph nodes (P < 0.001), bowel wall enhancement (P < 0.001), distal jejunal thickness (P < 0.001), and distal ileal thickness (P < 0.001). The mean difference in wall thickness was significant based on gender (P < 0.001), age in proximal jejunal thickness (P < 0.001), and distal ileal thickness (P = 0.011). Conclusions: MRE and US correlate significantly as imaging techniques for the assessment of CD activity.


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