The Journal of the Japanese Association for Chest Surgery
Online ISSN : 1881-4158
Print ISSN : 0919-0945
ISSN-L : 0919-0945
A Case of large cell carcinoma showing cystic and solid pattern on chset CT
Koji KiminoTomonori NakasoneHideki YamashitaMasao Kishikawa
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1997 Volume 11 Issue 5 Pages 642-646

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Abstract
Primary lung cancer rarely shows a cystic pattern, but we treated large cell carcinoma that showed a cystic and solid pattern on chset CT. A 45-year-female was admitted to our hospital, complaining of hemosputum. Her chest X-rays showed a homogenous mass shadow which was well-defined and 50×45 mm in size in the left lower lobe. Her chest CT showed a cystic and solid pattern in the left S10. The specimen, which was taken by transbronchial biospy, showed necrosis. Aspiration biopsy cytology of the mass during the exploratory thoracotomy revealed largel cell carcinoma, and left lower lobectomy was performed. Resected specimen showed cavity formation which consisted of viable cancer cell at solid part of the mass with massive necrosis.
Histological examination suggested that the cystic and solid mass shown on chest CT was produced by occlusion of the bronchus involved by the tumor and tumor necrosis.
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© The Japanese Association for Chest Surgery
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