Abstract: Fatty liver is closely related to hepatitis, liver fibrosis, cirrhosis, and many metabolic and infectious diseases. It includes a series of diseases characterized by excessive deposition of triglyceride in hepatocytes. The early diagnosis of fatty liver and its intervention can bring about the fatty liver cells back to normal. Therefore, it is of great significance to apply noninvasive methods to diagnose fatty liver and follow up on the therapeutic effect. In this paper, the status quo and progress of ultrasound, CT, MRI and other imaging methods in the qualitative and quantitative diagnosis of fatty liver were reviewed.

Key words: fatty liver, imaging, quantitative analysis