Bronchogenic cyst of the stomach involved with gastric adenocarcinoma
Tóm tắt
Bronchogenic cyst, a congenital anomaly mostly found in the mediastinum, rarely arises in the stomach. A 43-year-old man had epigastric pain and was diagnosed as having gastric adenocarcinoma. Abdominal ultrasonography showed hepatic cyst, and computed tomography and magnetic resonance imaging revealed a cystic lesion near the stomach. At surgery, the cystic lesion was found to be located at the lesser curvature of the stomach where the cancer invasion was seen. Total gastrectomy with combined resection of the cystic lesion was performed. Pathologically, the cyst wall was lined by pseudostratified ciliated columnar epithelium, subepithelial mixed seromucinous glands and smooth muscle bundles. The pathological diagnosis was bronchogenic cyst of the stomach involved with gastric adenocarcinoma. Based on a similar association between gastric diffuse submucosal cysts and gastric cancer in the previous reports, it is possible that chronic inflammation from bronchogenic cysts to the gastric mucosa may cause adenocarcinoma in the stomach. At surgery, complete combined resection without rupture of the bronchogenic cyst involved with the gastric adenocarcinoma is needed for treatment of gastric cancer to prevent dissemination of cancer cells considering when cancer cells have invaded beyond the pseudostratified ciliated columnar epithelium and within the bronchogenic cyst.
Tài liệu tham khảo
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