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支气管肺泡灌洗液(BAL)可以提供肺泡腔内细胞成份的标本,许多肺部疾病BAL液成份都会发生相应特异性改变。对各种肺部疾病BAL液中T淋巴细胞和CD_4/CD_8比值的变化已进行了大量研究,但关于B淋巴细胞和浆细胞的研究则很少。正常情况下,血液和BAL液都不会出现浆细胞,作者通过对1260份从各种肺部疾病患者获取的BAL液进行回顾性研究,调查在BAL液中出现浆细胞是否对某些特殊肺部疾病的诊断有帮助。
Bronchoalveolar lavage fluid (BAL) samples of alveolar cells can provide cellular components, many of the pulmonary disease BAL fluid components will be the corresponding specific changes. A large number of studies have been conducted on the changes of T lymphocytes and the ratio of CD 4 / CD 8 in BAL fluid of various lung diseases, but there are few studies on B lymphocytes and plasma cells. Under normal circumstances, the blood and BAL fluid will not appear in plasma cells, the author of 1260 from a variety of lung disease patients with BAL fluid were retrospectively investigated in the BAL fluid in the presence of plasma cells for some special lung Department of disease diagnosis helpful.