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EDUCATION EXHIBIT |
1 From the Departments of Radiology (E.T., V.L.O., P.P., M.F.G., G.S.) and Surgery (E.L.), Centre Hospitalier de lUniversité de Montréal (CHUM), 3840 St Urbain St, Montreal, Quebec, Canada H2W 1T8. Recipient of a Certificate of Merit award for an education exhibit at the 2001 RSNA scientific assembly. Received March 8, 2002; revision requested April 25 and received May 24; accepted May 28. Address correspondence to E.T. (e-mail: eric.therasse.chum@ssss.gouv.qc.ca).
Esophageal balloon dilation and expandable stent placement are safe, minimally invasive, effective treatments for esophageal strictures and fistulas. These procedures have brought the management of dysphagia due to esophageal strictures into the field of interventional radiology. Esophageal dilation is usually indicated for benign stenoses and is technically successful in more than 90% of cases. Most patients with esophageal carcinoma are not candidates for resection; thus, the main focus of treatment is palliation of malignant dysphagia and esophagorespiratory fistulas. Esophageal stent placement, which is approved only for malignant strictures, is one of the main therapeutic options in affected patients and relieves dysphagia in approximately 90% of cases. Dedicated commercially available devices continue to evolve, each with its own advantages and limitations. Stent placement is subject to technical pitfalls, and adverse events occur following esophageal procedures in a minority of cases. Although chest pain is common and self-limited, reflux esophagitis, stent migration, tracheal compression, and esophageal perforation and obstruction require specific interventions. In many cases, these complications can be recognized and treated by the interventional radiologist with minimally invasive techniques.
© RSNA, 2003
Index Terms: Esophagus, diseases, 71.291, 71.321, 71.33 Esophagus, grafts and prostheses, 71.1269 Esophagus, interventional procedures, 71.1269 Esophagus, neoplasms, 71.30 Esophagus, stenosis or obstruction, 71.74 Stents and prostheses, 71.1269
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