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Alimentary tract duplications are rare congenital malformations that may be found anywhere from mouth to anus. They usually share a common smooth muscle wall and blood supply with the adjacent bowel. Some duplications are asymptomatic but most cause problems in early childhood. Gastric duplications account for 2% to 7% of all gastrointestinal duplications. The management of gastric duplication is essentially surgical. The treatment of choice is the complete excision of the gastric duplication without violation of the gastric lumen whenever possible. The authors report an unusual case of gastroesophageal junction duplication completely removed by laparoscopy. To our knowledge, this is the first case of gastric duplication successfully treated by laparoscopy in English literature. Laparoscopic resection may be added to the surgical armamentarium in the treatment of alimentary tract duplications.