Background: We herein report a rare case of an ectopic bronchogenic cyst of the gastric cardia. The initial\ndiagnosis was a gastrointestinal stromal tumor (GIST); however, postoperative pathologic examination confirmed\nthat it was a bronchogenic cyst.\nCase presentation: A 62-year-old woman visited our hospital for abdominal pain. The diagnosis prior to surgery\nwas a GIST. Computed tomography imaging showed that the mass was located in the gastric cardia on the side of\nthe lesser curvature. During the surgical exploration, it was noted that the tactility of the mass was not consistent\nwith a GIST. Thus, we decided to perform local resection of the mass and part of the gastric wall without wedge\nresection. The pathological examination revealed a bronchogenic cyst.\nConclusions: This case suggests that a bronchogenic cyst should be considered as a differential diagnosis of a\nGIST. It is also a unusual but necessary situation should be considered when explaining the etiology of a\nbronchogenic cyst.
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