Abstract
One hundred and four patients with non-small cell lung cancer (NSCLC) and 17 patients with benign lung lesions were enrolled in the study. Carcinoembryonic antigen ( CEA), neural specific enolaee (NSE) and cytokemtin 19 fragment (CYFRA21-1) in serum were detected by dectruchemiluminescence method before and after operation. The serum levels of three markers in preoperative NSCLC patients were significandy higher than those of benign pulmonary diseases group (t = 7. 930, 5.568, 6. 110, P 0.05 ). There were significant differences in serum levels of CEA, NSE and CYFRA21-1 before and after operation in NSCLC group ( t = 5.419, 4.722, 5.779, P 0.05). This study indicates that detection of serum CEA, NSE and CYFRA21-1 is of monitoring value for treatment of non-small cell lung cancer. Key words: Cancinoma, non-small cell lung; Tumor markers,biological
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