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  • Title: [A preliminary study for cellular, albumin and immunoglobulin components of bronchoalveolar lavage fluid in normal control, pulmonary T.B. and malignant lung diseases].
    Author: Lin CC, Lin FJ, Wu JL, Lin CC, Kuo HT, Huang WC, Ling CY.
    Journal: Zhonghua Min Guo Wei Sheng Wu Ji Mian Yi Xue Za Zhi; 1988 May; 21(2):110-6. PubMed ID: 3197460.
    Abstract:
    Bronchoalveolar lavage (BAL) is a new diagnostic tool which could be applied repeatedly to investigate the nature of lesion in pulmonary diseases. To evaluate the clinical significance of the difference in immunoglobulin content for the differential diagnosis between benign and malignant pulmonary diseases, we performed bronchoalveolar lavage for 64 patients. They included 12 patients with bronchogenic carcinoma, 12 patients with pulmonary tuberculosis, 20 patients with benign non-specific bronchopulmonary diseases (these including 6 patients with pneumoconiosis, 6 patients with bronchietasis, 2 patients with paraquate intoxication, 6 patients with pneumonia) and 20 healthy persons as of the control group. We analyzed the following items: (1) cell count (2) differential count (3) protein content (4) immunoglobulin content. The results showed that there were increase in PMN cells in paraquate intoxication, pnuenmonia and bronchiectasis. While there was lymphocytosis in pulmonary tuberculosis. In comparison with the control group, there was elevation of statistical significance in the IgA/Albumin ratio in bronchogenic carcinoma and pulmonary tuberculosis. Although the IgG/Albumin ratio would be elevated with statistical significance among a variety of pulmonary diseases, it was particularly high in pulmonary tuberculosis. In contrast, the IgA/IgG ratio was significantly increased only in bronchogenic carcinoma. In conclusion, there were differences in the cell number, differential cell count, protein content and immunoglobulin content among various pulmonary diseases. It may be useful in making differential diagnosis between benign and malignant pulmonary disease and the prediction of prognosis.(ABSTRACT TRUNCATED AT 250 WORDS)
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