Clinical significance of serum cytokeratin-19 fragment (CYFRA 21-1) in hepatocellular carcinoma |
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Authors: | Takahiro Uenishi Osamu Yamazaki Takatsugu Yamamoto Kazuhiro Hirohashi Hiromu Tanaka Shogo Tanaka Seikan Hai Koichi Ono Shoji Kubo |
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Affiliation: | Department of Hepato-Biliary-Pancreatic Surgery, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan Department of Surgery, Ishikiri Seiki Hospital, Osaka, Japan Department of Gastrointestinal Surgery, Osaka City General Hospital, Osaka, Japan
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Abstract: | Background/Purpose CYFRA 21-1, a soluble fragment of cytokeratin 19, is increased in serum in some patients with hepatocellular carcinoma, but the clinical significance of this increase is still unknown. Methods Serum concentrations of CYFRA 21-1 were measured in 240 patients with hepatocellular carcinoma prior to hepatic resection. The relationships between serum CYFRA 21-1 concentrations and clinicopathologic features were analyzed. Results The sensitivity of CYFRA 21-1 as a test for hepatocellular carcinoma was 18.8%. Serum CYFRA 21-1 was significantly higher in patients with portal vein tumor thrombus, and serum CYFRA 21-1 increased with the progression of portal vein tumor thrombus. Tumor size was related to serum CYFRA 21-1, but there were no significant correlations between serum CYFRA 21-1 concentrations and tumor differentiation or number of tumors. Although patients with stage IV tumor had significantly higher CYFRA 21-1 concentrations than those with stages I, II, and III, CYFRA 21-1 was not associated with postoperative prognosis. Conclusions Although high concentrations of CYFRA 21-1 were often detected in patients with a tumor diameter greater than 5?cm or tumor thrombus in the major portal vein, CYFRA 21-1 is not a useful diagnostic tool for hepatocellular carcinoma because of its low sensitivity. |
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Keywords: | hepatocellular carcinoma cytokeratin 19 CYFRA 21–1 portal thrombus |
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