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Splenic cyst presenting as a gastric mass.

A 14-year-old girl with bulimia was found to have an apparent submucosal mass of the gastric cardia by upper gastrointestinal series and endoscopy. At laparotomy the mass was found to be a 5 cm in diameter subcapsular serous splenic cyst compressing the stomach but not attached to it. The clinical and diagnostic features of this unusual lesion are reviewed, with particular emphasis on the endoscopic findings.