Methods: 175 patients with squamous cell carcinoma of larynx treated with surgical, among them 135 cases with vertical hemilaryngectomy.
方法：回顾性研究喉部分切除175例，其中垂直部分喉切除占135例。
Serum sialic acid (SA) was determined bv colorimetric method in 61 patients with squamous cell carcinoma of the larynx, 25 patients with benign lesion and 40 normal controls.
采用比色法对61例喉鳞状细胞癌、25例喉及颈部良性病变患者和40例正常人的血清唾液酸（SA）含量进行测定。
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