Medical test results can be hard to understand. If an ultrasound finds a hypoechoic mass, you may have wondered what that means.‌ A hypoechoic mass looks dark gray on an ultrasound. That means the ...

Thyroid nodules are lumps that can develop on the thyroid gland. They may be solid and look dark on an ultrasound scan. Most are benign, but there is a low risk of thyroid cancer. The thyroid is a ...

A hypoechoic mass is tissue in the body that’s more dense or solid than usual. This term is used to describe what is seen on an ultrasound scan. Ultrasound uses sound waves that are absorbed by or ...