A New Classification System for Fatty Liver—What Sonographers Should Know

ABSTRACT Hepatic steatosis or fatty liver disease is a rapidly emerging health issue and is closely linked to an increase in cardiometabolic conditions such as obesity and type 2 diabetes. The nomenclature surrounding fatty liver has recently undergone multiple reviews to better reflect its underlying causes. This article reviews recent guidelines and nomenclature changes to fatty liver disease and will explore the various ultrasound technologies that are available for liver fat quantification, emphasising ultrasound's importance in diagnosing and monitoring steatosis. Sonographers must remain informed of classification changes and criteria as they directly impact their role in detecting and assessing liver steatosis.