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Biphasic Pulmonary Blastoma detected by Pneumothorax  

Kim, Yong Hwan (Department of Thoracic & Cardiovascular surgery, The Catholic University College of Medicine)
Lee, Sun Hee (Department of Thoracic & Cardiovascular surgery, The Catholic University College of Medicine)
Publication Information
Tuberculosis and Respiratory Diseases / v.55, no.4, 2003 , pp. 408-412 More about this Journal
Abstract
Pulmonary blastoma is a rare primary lung neoplasm composed of a mixture of immature mesenchyme and epithelium that morphologically mimics embryonal pulmonary structure. Microscopically, tumors could be divided into two classes; those composed solely of malignant glands of epithelial components (well-differentiated fetal adenocarcinoma) and those with biphasic appearance. A 51-year-old man was admitted with left sided pneumothorax. After closed thoracostomy, chest X-ray showed a circular mass in the left lower zone. The tumor was diagnosed as adenocarcinoma as a result of percutaneous needle aspiration biopsy, and left lower lobectomy was performed. The patient was diagnosed as having biphasic pulmonary blastoma on postoperative histological assessment. This case is the first reported patient with biphasic pulmonary blastoma detected by pneumothorax.
Keywords
Pulmonary blastoma; Lung neoplasm; Pnemothorax;
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