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唾液酸（staticacid，SA）是细胞膜糖蛋白和糖脂的主要组成成分。陈煌清等（1979）指出，它在血清中的浓度能在一定程度上反映出细胞的恶变、癌症转移及浸润。本文对33例喉癌患者及46例声带息肉患者进行血清SA检测并与正常人进行比较，借以探讨其对喉癌的临床应用价值。1对象和
Sialic acid (SA) is a major component of cell membrane glycoproteins and glycolipids. Chen Huangqing et al (1979) pointed out that its concentration in serum can to some extent, reflect the cell malignant transformation, cancer metastasis and infiltration. In this paper, 33 cases of laryngeal cancer patients and 46 cases of vocal cord polyps in patients with serum SA detection and comparison with normal people in order to explore its clinical value of laryngeal cancer. 1 object and