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Submucosal tunnelling endoscopic resection: first successful experience from Sri Lanka and a review of the literature

Under general anaesthesia, the patient was positioned supine. The procedure was performed by a surgeon experienced in therapeutic upper gastrointestinal endoscopy. Initially, gastroscopy was performed to assess the position of the lesion for accurate planning. Methylene blue was used to inject into the submucosa to facilitate submucosal dissection. A vertical incision with diathermy was made approximately 5cm above the proximal lesion. The tip of the endoscope was negotiated into the submucosal space and carbon dioxide was inflated.