Resumo

CABALLERO-DIAZ, Yurena; CENTENO-HARO, Macarena; TUREGANO-GARCIA, Ángel  e  HERNANDEZ-HERNANDEZ, Juan Ramón. Adult gastric duplication: una entidad desconocida dentro del espectro de lesiones submucosas gástricasan unknown condition within the spectrum of gastric submucosal lesions. Rev. esp. enferm. dig. [online]. 2017, vol.109, n.8, pp.589-591. ISSN 1130-0108.  https://dx.doi.org/10.17235/reed.2017.4851/2017.

Background: Gastric duplication is an uncommon condition in adults representing only 4-8% of all gastrointestinal duplications. It develops as a cystic growth within the thick gastric wall that is surrounded by a layer of smooth muscle and lined with gastric mucosa. It is usually asymptomatic but may present with nonspecific abdominal symptoms as well as cyst-related complications such as gastrointestinal (GI) bleeding, ulceration and even pancreatitis. They are difficult to distinguish from other gastric submucosal lesions and may also mimic a gastrointestinal tumor (GIST) or mucinous cyst of the pancreas. Endoscopic ultrasound (EUS) is the most widely used diagnostic procedure and histology provides a definitive diagnosis. Case report: We report the case of a 36-year-old female patient with a history of a "contained" perforated gastric ulcer that was managed conservatively. The patient was diagnosed with a gastric GIST which prompted a laparoscopic subtotal gastrectomy and Roux-en-Y reconstruction with a good postoperative outcome. Discussion: The definitive histological diagnosis was gastric duplication. Thus, the previous diagnosis of a "contained" perforated gastric ulcer was in fact a complication of the gastric duplication itself.

Palavras-chave : Gastric duplication; Stomach; Submucosal tumors; Gastrointestinal stromal tumor; Mucinous pancreatic cyst.

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