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  • Title: Monitoring cytokeratin fragment 19 (CYFRA 21-1) serum levels for early prediction of recurrence of adenocarcinoma and squamous cell carcinoma in the lung after surgical resection.
    Author: Yeh JJ, Liu FY, Hsu WH, Wang JJ, Ho ST, Kao A.
    Journal: Lung; 2002; 180(5):273-9. PubMed ID: 12489021.
    Abstract:
    The purpose of this study was to evaluate the markers' clinical usefulness for early prediction of recurrence, by serial and simultaneous measurements of serum cytokeratin fragment 19 (CYFRA 21-1), before and after surgery on patients with non-small cell lung cancers (NSCLC). The 48 patients enrolled in this study had adenocarcinoma of the lung (adenoCa) (including 24 patients with recurrence and 24 patients without recurrence 1 year after surgery) and 48 patients with squamous cell carcinoma of the lung (SCC) (including 24 cases with recurrence and 24 without recurrence 1 year after surgery). Serial serum levels of CYFRA 21-1 were measured before the operation and 1 week, 1 month, 3 months, 6 months, 9 months, and 12 months after surgery for the early detection of recurrence. The results revealed that (1) the mean serum values of CYFRA 21-1 were significantly higher beginning at 1 month after surgery in the 24 patients with recurrent adenoCa compared with the 24 patients without recurrent adenoCa, (2) mean serum values of CYFRA 21-1 were significantly higher beginning at 1 month after surgery in 24 patients with recurrent SCC when compared with 24 patients without recurrent SCC, and (3) mean serum values of CYFRA 21-1 were significantly higher beginning at 1 month after operation in the total 48 patients with recurrent NSCLC when compared with 48 patients without recurrent NSCLC. We conclude that CYFRA 21-1 is not a good marker for early prediction of NSCLC recurrence including adenoCa and SCC after surgery.
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