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Imaging of the small bowel in Crohn's disease: A review of old and new techniques

World Journal of Gastroenterology 2007年第24期13卷 3279-3287页

作者： Simone Saibeni Emanuele Rondonotti Andrea Iozzelli Luisa Spina Gian Eugenio Tontini Flaminia Cavallaro camilla ciscato Roberto de Franchis Francesco Sardanelli Maurizio Vecchi Gastroenterology and Gastrointestinal Endoscopy Service IRCCS Fondazione Ospedale Maggiore Policlinico Mangiagalli and Regina Elena Milan Italy Gastroenterology and Gastrointestinal Endoscopy Unit IRCCS Policlinico San Donato University of Milan School of Medicine Milan Italy Radiology Unit IRCCS Policlinico San Donato San Donato Milanese University of Milan School of Medicine Milan Italy Departments of Medical and Surgical Sciences University of Milan School of Medicine Milan Italy Gastroenterology and Gastrointestinal Endoscopy Unit University of Milan School of Medicine Milan Italy Gastroenterology and Gastrointestinal Endoscopy Unit IRCCS Policlinico San Donato University of Milan School of Medicine Milan Italy

The investigation of small bowel morphology is often mandatory in many patients with Crohn's disease. Traditional radiological techniques (small bowel enteroclysis and small bowel follow-through) have long been the only suitable methods for this purpose. In recent years, several alternative imaging techniques have been proposed. To review the most recent advances in imaging studies of the small bowel, with particular reference to their possible application in Crohn's disease, we conducted a complete review of the most important studies in which traditional and newer imaging methods were performed and compared in patients with Crohn's disease. Several radiological and endoscopic techniques are now available for the study of the small bowel; each of them is characterized by a distinct profile of favourable and unfavourable features. In some cases, they may also be used as complementary rather than alternative techniques. In everyday practice, the choice of the technique to be used stands upon its availability and a careful evaluation of diagnostic accuracy, clinical usefulness, safety and cost. The recent development ofinnovative imaging techniques has opened a new and exciting area in the exploration of the small bowel in Crohn's disease patients.

关键词： Crohn's disease Small bowel Imaging techniques Ultrasonography Magnetic resonance Computed tomography Video-capsule endoscopy Double-balloon endoscopy

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