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A Peripheral Small Cell Carcinoma of the Lung with Cavity Formation.

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  • 空洞を呈した末梢型肺小細胞癌の1例

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An 81-year-old man presented with productive cough. He was admitted because of an abnormal shadow in the left upper lung field on chest X-ray. Chest CT scan showed a multilocular mass shadow in left S1+2 with cavity formation and small shadows suggestive of metastases around the primary mass. One of the latter shadows also contained a cavity. Sputum cytology and pleural effusion cytology showed class V, small cell carcinoma. The transbronchial lung biopsy specimen showed many small cells with dense nuclei and scanty cytoplasm, so a diagnosis of small cell carcinoma was made.<BR>Cavity formation in primary carcinoma of the lung is fairly common, with the reported incidence ranging from 2 to 16 percent. However most such cases are squamous cell carcinoma or adenocarcinoma, not small cell carcinoma. Small cell carcinoma showing a multilocular mass shadow with cavities in the primary and a metastatic lesion, as seen in the present case, is rare.


  • Haigan

    Haigan 39 (7), 1001-1005, 1999

    The Japan Lung Cancer Society


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