• Department of Hepatobiliary Surgery, The First People’s Hospital of Kunming/The Affiliated Ganmei Hospital of Kunming Medical University, Kunming 650100, P. R. China;
CHEN Gang, Email: kmcg123@163.com
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Objective To summarize the application of circulating free DNA (cfDNA) in the diagnosis and treatment of hepatocellular carcinoma (HCC). Method The relevant literature on the application of cfDNA in the diagnosis and treatment of HCC from both domestic and international sources were reviewed and summarized. Results cfDNA is an emerging biomarker in recent years. At present, a large number of studies had used different detection methods to detect abnormal methylation, hot spot mutation, gene copy number variation, and quantitative detection of cfDNA concentration. It was found that cfDNA could be used in the management process of early diagnosis, treatment guidance, and efficacy evaluation of HCC patients. Conclusions cfDNA detection is a good tool in the diagnosis and treatment of HCC, which can help clinicians make-decisions and bring more possibilities for the diagnosis and treatment of HCC, which is of great significance for changing the current diagnosis and treatment of HCC. However, there are still many challenges in cost control, technology optimization and standardization of evaluation indicators. With the continuous progress of molecular biology technology and artificial intelligence, the application range of cfDNA in HCC diagnosis and treatment will be further expanded, its advantages will be better played, and the related shortcomings will be gradually solved.

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