Radiology·Radiology
Ultrasound thyroid
Informed by recognized medical guidance
Overview
A thyroid ultrasound is a safe and painless scan that uses sound waves to create pictures of your thyroid gland. The thyroid is a small, butterfly-shaped gland in the front of your neck that controls your body’s metabolism (how your body uses energy).
Key facts
- The scan uses no radiation, so it is very safe.
- It usually takes 15 to 30 minutes.
- You do not need to fast or stop any medicines before the test.
- The ultrasound helps doctors see the size, shape, and texture of your thyroid and detect any lumps (nodules).
Yes, thyroid ultrasound is a very common test. Many people have it for routine checks or to investigate a neck lump.