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Computed tomography enterography and magnetic resonance enterography in small intestine of Crohn's disease

Enterografia por tomografia computorizada e por ressonância magnética na avaliação da Doença de Crohn do intestino delgado

Abstract

Crohn disease is defined as a chronic inflammatory and idiopathic process that can affect any portion of the gastrointestinal tract. The small intestine is the most frequently affected place, so small bowel morphology investigation is often mandatory.For decades small bowel was almost inaccessible to endoscopies, and, studies like enteroclysis and bowel transit time test, were considered gold standard tests. Recently, innovative imaging techniques, improved diagnosis and follow-up of Crohn disease patients by allowing the exploration of this gut segment.Authors review literature, concerning the role of computed tomography enterography and magnetic resonance enterography in the evaluation of small bowel Crohn disease.Authors conclude that the choice of examination to be made should be weighted considering several factors such as the age of the patient, their tolerability, the Crohn's disease phenotype and the availability of hospital resources.

Keywords
Inflammatory bowel disease; Crohn's disease; CR enterography; MRI enterography

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