[Gastric duplication in adults: a case report and literature review]. / Duplicación gástrica en adultos; informe de un caso y revisión de la bibliografía.

Duplications of the gastrointestinal tract are a rare congenital malformations that usually presents in the first 2 years of life with symptoms of poor weight gain and abdominal palpable mass. The present is a case report of 41 year-old woman who was evaluated for upper abdominal pain. Upper endoscopy revealed a submucosal mass in the greater curvature of the stomach with initial suspect diagnosis of gastrointestinal stromal tumor. Endoscopic ultrasound confirmed partially cystic submucosal mass which was removed with a distal gastric wedge resection without complications. Histopathological report was congenital gastric duplication.

[Mesenteric solitary fibrous tumor: a case report and literature review]. / Tumor fibroso solitario en mesenterio: reporte de un caso y revisión de la literatura.

Solitary fibrous tumors are a very unusual group of spindle-cell neoplasm of adults; they were described for first time in the 18th century. They locate mainly in parietal and visceral pleura, lung parenchyma and pericardium. There are numerous reports that document their extrapleural location and we can find it in any place in the body, but mesenteric localization is extremely unusual.