Abstract
Hepatocellular carcinoma (HCC) is the primary liver cancer type, often seen in individuals with chronic liver disease. Once the patient progresses to the cirrhotic stage, the annual incidence of HCC is approximately 2%-4%. As it exceeds the minimum threshold of 1.0%-1.5% per year, HCC screening every 6 months through abdominal ultrasound is indicated in the cirrhotic population. While the incidence of viral hepatitis-associated HCC is decreasing, there is a notable rise of HCC associated with metabolic dysfunction-related steatotic liver disease and alcohol-related liver disease, particularly in high-income countries. The most effective approach for oncological prevention remains addressing the cause of liver disease. The indications for HCC screening in patients without cirrhosis depend on the etiology of liver disease and the stage of fibrosis, assessed by liver biopsy or noninvasive tests such as FIB-4 or transient elastography. However, clear recommendations for HCC screening in patients without cirrhosis and for the different etiologies are currently unavailable. Research efforts should focus on identifying markers, or combinations thereof, to provide a more accurate estimate of HCC occurrence. Such advancements would enable the effective targeting of populations at the highest risk of HCC and the establishment of the correct timing to start the screening.
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