What is the difference between hyperechoic and hypoechoic lesions in the liver?

The differences between hyperechoic and hypoechoic areas in the liver include the pathological changes they indicate, intensity, morphology, and other characteristics. A detailed analysis is as follows:

1. Pathological changes

Hyperechoic areas are usually associated with calcification, fibrosis, fat, or other hardened tissues. Hypoechoic areas are typically related to fluid, inflammation, tumors, or other soft tissues.

2. Intensity

Hyperechoic areas exhibit stronger echo intensity, whereas hypoechoic areas show weaker echo intensity.

3. Morphology

Hyperechoic areas usually appear bright white or white, with regular shapes and well-defined margins. Hypoechoic areas typically appear dark gray or black, with irregular shapes and poorly defined borders.

In addition to the above differences, there are also differences in density. The presence of hyperechoic or hypoechoic areas in the liver does not necessarily indicate existing liver pathology, as liver ultrasound examinations may be influenced by various factors such as examination technique, equipment performance, and patient positioning. When performing liver ultrasound, a comprehensive analysis integrating the patient's clinical presentation, medical history, and results from other tests is essential to determine the presence and severity of liver disease.