Experience of Localizing Occult Lung Cancer.

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  • Ｏｃｃｕｌｔ　Ｌｕｎｇ　Ｃａｎｃｅｒの局在診断の経験

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Abstract

We investigated four cases whose sputum cytology were positive, while chest Xray film, computed tomography, and bronchoscopic examination were negative. Bronchoscopic examination was performed as far as the segmental bronchi of the right upper lobe, right middle lobe, right lower lobe, left upper lobe, and left lower lobe bronchi on different days. Brushing cytology and cytology of bronchial secretions were performed for each segmental bronchi with a freshly sterilized fiberscope and brush.<BR>In two cases, cancer cells were found and could be localized. One was diagnosed as squamous cell carcinoma in the right B3 and the other as squamous cell carcinoma in situ in the periphery right B3ai. In two cases, the tumors could not be localized in spite of repeated bronchoscopic examination. To localize occult lung cancer, detailed bronchoscopic information must be combined with brushing cytology and bronchial secretion cytology after brushing from all the segmental bronchi using a freshly sterilized fiberscope and brush. In the present series, however, two of four cases could not be localized. Further examinations are needed.

Journal

  • Haigan

    Haigan 39 (6), 887-893, 1999

    The Japan Lung Cancer Society

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