Abstract
Introduction: Benign myoepithelioma is extremely rare tumor in the lung, there are little cases having been reported in the literature in all over the world, and no report in Vietnam. Case report: A 33-years woman have fever and dry cough from 6 months before entering the hospital, she were treated at home, her fever was gone but the coughing isnot stop, and increasing dyspnea and chest pain. The blood tests is almost in the normal range. Chest CT-scanner showed the tumor in the central bronchial tubes, endoscopy was defined the tumor made the obstruction for the caliber of the left bronchial and designated to remove it by bronchialendoscopy. Histologically, there was mixed of spindle cells, plasmocytoid cells, epithelial cell and clear cells. No mitotic activity or necrosis was seen. Immuhistochemically, the tumor cells positive for EMA, VIII factor, vimentine, and S100 protein. They were negatives for cytokeratine, desmin, CD31, CD34 and GFAP. The diagnosis was benign myoepithelioma of the lung. The patient recovered well after surgery. Conclusion: Benign myoepithelioma is a rare pulmonary tumor, used to differentiate when diagnosing for single lung nodules. This tumor usually distinct from pleomorphic adenoma. Key words: Benign myoepithelioma, lung, lung nodules
Published Version
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