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KMID : 0857020090240020235
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Kosin Medical Journal
2009 Volume.24 No. 2 p.235 ~ p.237
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A Case of Squamouse Cell Papilloma Suspected as Lung Cancer - 1 Case Report
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Kim Jong-In
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Abstract
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Papilomatous lesions of the endobronchial tree have been classified into multiple squamous papilomas, inflammatory polyps, and solitary papillomas. Solitary pulmonary papillomas are rare neoplasms that are usually derived from the bronchial surface epithelium and form endobronchial tumors. The recent World Health Organization classification of lung tumors subdivides papillomas into squamous cell, glandular, and mixed squamous cell and glandular papilloma. A solitary papilloma in the lung field is rare, and its diagnosis is seldom made preoperatively. I report a case of solitary squamous cell papilloma located in peripheral regions of the lung. The patient was 40-year-old woman presenting a 3-months' history of blood-tinged sputum. Chest X-ray film showed an abnormal shadow in the left upper lung field. Chest CT scan showed a ill-defined mass(4.6x3.2cm in size) with abutting parietal pleura in the left upper lobe. Because a preoperative diagnosis was not made, segmentectomy was made by thoracotomy. The frozen-section specimen was diagnosed as bronchioloalveolar carcinoma and standard lef lower lobectomy and lymph node dissection was performed. The histopathological diagnosis turned out to be squamous cell papilloma. A solitary papilloma in the lung field must be aggressively resected by surgery for diagnosis and treatment.
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KEYWORD
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Lung, Papilloma
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