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对５８例喉癌患者的外周血Ｔ淋巴细胞总数（ＣＤ３）和亚群（ＣＤ４、ＣＤ８）以及部分患者的血清ＩｇＡ、ＩｇＧ、ＩｇＭ、唾液ＳＩｇＡ进行测定，并与正常健康人比较。结果喉癌组ＣＤ３、ＣＤ４的百分率及ＣＤ４／ＣＤ８的比值较对照组明显降低，ＣＤ８的百分率明显升高；血清ＩｇＡ、ＩｇＧ的含量明显降低，而其唾液ＳＩｇＡ的含量却明显升高，两组比较，在统计学上均有显著性差异。表明喉癌患者的全身细胞免疫水平不但降低，而且失调；全身体液免疫水平亦有所下降，而局部体液免疫反应却有所增强。
Serum levels of IgA, IgG, IgM and salivary SIgA were measured in 58 cases of laryngeal cancer patients with peripheral blood T lymphocyte count (CD3) and subpopulation (CD4, CD8) and compared with normal healthy subjects. Results The percentage of CD3 and CD4 and the ratio of CD4 / CD8 in laryngocarcinoma group were significantly lower than those in control group, but the percentage of CD8 was significantly increased. The levels of serum IgA and IgG were significantly decreased, while the content of SIgA in saliva was significantly increased in both groups Compared with statistically significant differences. Show that the systemic cellular immunity of patients with laryngeal cancer is not only reduced, but also disorders; systemic humoral immunity levels also declined, while the local humoral immune response has increased.