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Báo cáo y học: "rimary myoepithelial carcinoma of the lung: a rare entity treated with parenchymal sparing resection"

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Wertheim cung cấp cho các bạn kiến thức về ngành y đề tài: Primary myoepithelial carcinoma of the lung: a rare entity treated with parenchymal sparing resection. | Sarkaria et al. Journal of Cardiothoracic Surgery 2011 6 27 http www.cardiothoracicsurgery.Org content 6 1 27 JCTS JOURNAL OF CARDIOTHORACIC SURGERY CASE REPORT Open Access Primary myoepithelial carcinoma of the lung a rare entity treated with parenchymal sparing resection 1 2 2 3 Inderpal S Sarkaria Deborah DeLair William D Travis Raja M Flores Abstract Primary lung myoepithelial carcinomas are rare neoplasms arising from the salivary glands of the respiratory epithelium. Given the rare occurrences and reports of these tumors appropriate recommendations for resection are difficult to formulate. Although classified as low-grade neoplasms these tumors have a significant rate of recurrence and distant metastasis. Introduction Primary salivary gland-type tumors of the lung are rare and include mucoepidermoid carcinoma adenoid cystic carcinoma acinic cell carcinoma oncocytoma epithelial-myoepithelial carcinoma benign myoepithelioma and mixed tumors of both benign and malignant nature 1-16 . Primary pulmonary myoepithelial carcinomas are exceedingly rare with only five known prior cases reported in the English literature to date 17-20 . We report a case of primary myoepithelial carcinoma of the lung and a review of the literature. Case Report A 63-year-old woman presented to the clinic with a history of increasing pulmonary congestion difficulty expectorating and low-grade hemoptysis. Her past medical history was significant for diet-controlled insulindependent diabetes mellitus. There was no history of cigarette or other tobacco use. Her mother had died of breast cancer in her fifties. A chest radiograph showed a large mass in the right lower lung fields and computed tomography scanning revealed a 12.4 X 8.3 centimeter smoothly circumscribed heterogeneous mass arising in the right minor fissure and impinging upon the right atrium Figure 1A . A fine needle aspiration was performed which yielded a diagnosis initially suspicious for schwannoma as reviewed at an outside .