Endoscopic submucosal dissection (ESD): indication and technique. a case report

Introduction: The complet removal of flat, sessile polyps is usually impossible with conventional snare. Lesions larger than 2cm cannot be removed en bloc with endoscopic mucosal resection due to the technical limitation of this method. A new therapeutic procedure called endoscopic submucosal dissection allows large, flat lesions to be resected radically. Case report: A 64-years old woman with a 3,5cm in diameter, flat, sessile polyp of the rectum has been undergone piecemeal polypectomy in 2004. The histological investigation proved tubular adenoma with high grade dysplasia. One year later a recurrent polyp was…