Medical News Today: What does a hypoechoic thyroid nodule mean?

A hypoechoic thyroid nodule is a type of thyroid nodule that appears dark on an ultrasound scan and typically indicates a solid mass rather than a fluid-filled cyst. Thyroid nodules are common and most are harmless. However, they can sometimes develop into thyroid cancer. Learn more here.
Source: Medical News Today, https://www.medicalnewstoday.com/