Comparison of CYFRA 21-1 and squamous cell carcinoma antigen in detecting nasopharyngeal carcinoma |
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Authors: | Lee J K Hsieh J F Tsai S C Ho Y J Sun S S Kao C H |
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Institution: | Department of Nuclear Medicine, China Medical College Hospital, Taichung, Taiwan. |
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Abstract: | CYFRA 21-1 is a newly developed tumor marker that is especially useful for detecting squamous cell carcinoma (SCC) of the lung. Squamous cell carcinoma antigen is a proven tumor marker that is especially useful for detecting SCC of the cervix. Our aim in this study was to compare the clinical value of CYFRA 21-1 and SCC antigen in the detection of nasopharyngeal carcinoma (NPC). Serum levels of CYFRA 21-1 and SCC antigen were measured in 80 untreated NPC patients and 77 healthy controls. The cutoff values of CYFRA 21-1 and SCC antigen, determined at the 95th percentile of the 77 healthy controls, were 2.48 ng/mL and 1.49 ng/mL, respectively. The results revealed that the mean serum value of only CYFRA 21-1 was significantly higher in the 80 NPC patients than in the 77 healthy controls, and the detection sensitivity of CYFRA 21-1 for NPC was significantly higher than that of SCC antigen. In conclusion, our results suggest that CYFRA 21-1 is a better tumor marker than SCC antigen for detection of NPC. |
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