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Neoplasms occurring in the pylorus are more difficult to remove by endoscopic submucosal dissection (ESD) than lesions that occur in most other areas of the stomach.
Investigators at a single hospital in Korea retrospectively reviewed outcomes of ESD of 110 pyloric adenomas during a 7-year period. The location of the adenomas was documented. The lesions were resected by one of two experienced endoscopists using a standard technique. Clinical, endoscopic, and histologic characteristics of the resected lesions were evaluated. The primary outcome was the rate of successful, complete endoscopic resection. Procedure time, adverse events, and recurrence rates were secondary outcomes.
The en bloc resection rate was 83%, the piecemeal resection rate …