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一、痰细胞学检查:是一种优异的无损伤性诊断方法。要求是清晨第一口痰,立即固定送检,连续三天为一次标本,由有经验的细胞病理学家检查。一次标本阳性率是24％,四次标本阳性率可达85％。
First, sputum cytology: It is an excellent non-invasive diagnostic method. The request was the first one in the early morning and was immediately sent for inspection. The specimen was taken for three consecutive days and examined by an experienced cytopathologist. The positive rate of one specimen was 24%, and the positive rate of four specimens was 85%.