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。
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。
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