Assessment of the extension and the inflammatory activity in Crohn's disease: comparison of ultrasound and MRI

Abdominal Imaging
María J MartínezLuis Martí-Bonmatí

Abstract

The purpose of this prospective study was twofold: to examine the efficacy of MRI and sonography in the assessment of Crohn's disease (CD) activity in comparison with clinical scoring and biologic tests and to compare both techniques in the evaluation of extension and transmural complications. Thirty patients with histologically proven Crohn's disease were prospectively examined the same day first with sonography and after MRI. Sonographic exam included evaluation of bowel wall thickness, vascularity pattern, and perienteric changes. Thirty minutes prior to MRI imaging, patients were given 250 mL of dilute sodium phosphate solution and additional 750 mL of water orally. MRI images evaluation included bowel wall thickening, bowel wall enhancement, and perienteric changes. The gastrointestinal tract was divided into five segments. Findings and extension of the both techniques were verified by means of barium studies, surgery, or/and colonoscopy. The sonographic and MR findings were compared with clinical and laboratory data. About 53 of 119 (45%) bowel segments showed pathological changes in gold standard tests. Sonography was superior to MRI in the localization of affected bowel segments (sensitivity: US 91%; MRI 83%; intertechn...Continue Reading

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Citations

Apr 21, 2012·International Journal of Inflammation·Emma CalabreseFrancesco Pallone
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