Efficacy of ultrasonography and alpha-fetoprotein on early detection of hepatocellular carcinoma |
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Authors: | Ren Fen-Yu Piao Xi-Xu Jin Ai-Lian |
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Institution: | Department of Gastroenterology and Hepatology, Yanbian University School of Medicine, Yanji 133000, Jilin Province, China |
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Abstract: | AIM: To evaluate the effectiveness of ultrasonographic screening for early detection of hepatocellular carcinoma (HCC). METHODS: The data of 14968 patients who had ultrasonography (US) for chronic liver diseases were collected into a database program from June 1995 to June 2005. The risk factors for HCC were also studied. A total of 6089 patients who had repeated US were enrolled, 264 patients were diagnosed with HCC during follow-up (mean, 39 mo). RESULTS: The detection rate of small HCC (<= 3 cm in diameter) was 67.7%. The tumor size detected by screening at the intervals of 6 mo was significantly smaller than that at longer intervals. Only 29.3% of HCC patients had an elevated serum alpha fetoprotein (AFP) level above 400 ng/mL. The risk of HCC development during follow-up was higher in patients with liver cirrhosis (10.9%) and hepatitis C (9.0%) than in patients with chronic hepatitis (4.2%), hepatitis B (4.9%) and non-B, non-C hepatitis (NBNC, 3.9%). CONCLUSION: US screening at a interval of 6 mo is beneficial to high-risk patients over 40 years old and the early detection of HCC prolongs survival. |
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Keywords: | Hepatitis C Hepatocarcinogenesis Interferon Retreatment |
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