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对33例喉鳞状细胞癌．46例声带息肉患者和47例正常人作对照进行血清唾液酸（SA）分析。结果表明喉癌患者血清SA水平高于良性病变组和正常人（P＜0．01）。但喉癌Ⅲ、Ⅳ期与Ⅰ、Ⅱ期血清SA水平无明显变化（P＞0．05）．提示血清SA在喉癌的辅助诊断上有一定参考价值。
Thirty-three cases of laryngeal squamous cell carcinoma. Serum sialic acid (SA) analysis was performed in 46 patients with vocal cord polyps and 47 normal controls. The results showed that serum SA levels in patients with laryngeal cancer were higher than those in benign lesions and normal controls (P <0.01). However, no significant changes were found in the serum SA levels in stages Ⅲ, Ⅳ of laryngeal carcinoma and stages Ⅰ, Ⅱ (P> 0.05). Tip serum SA in the auxiliary diagnosis of laryngeal cancer have a certain reference value.