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测定５０例正常人，５２例肺癌患者、部分其它恶性肿瘤患者及其它疾病患者血清中的脂质结合唾液酸的含量。正常组为１５２±６２ｍｇ／Ｌ，肝癌组为３１０±１０５ｍｇ／Ｌ，两者有非常显著性差异（Ｐ＜０．００１），如以２１０ｍｇ／Ｌ为阳性界值，阳性率达８６．５％，其它２种恶性肿瘤虽与正常组也有差异，但阳性率不是相应高。因此测定血清中脂质结合唾液酸对肺癌有一定实用价值。
The lipid-associated sialic acid content in the serum of 50 normal subjects, 52 lung cancer patients, some other malignant tumor patients, and other disease patients was measured. The normal group was 152±62mg/L, and the liver cancer group was 310±105mg/L. There was a very significant difference between the two groups (P<0.001). For example, the positive limit was 210mg/L and the positive rate was 86.5%. Although the other two types of malignant tumors are also different from the normal group, the positive rate is not correspondingly high. Therefore, determination of serum lipid-associated sialic acid has certain practical value for lung cancer.