Thyroid ultrasound is an imaging test. Ultrasound uses sound waves to form pictures of your neck that appear on a screen. It is used to assess pain or other symptoms, typically evaluation of mass or enlargement of the thyroid gland. No preparation is required. If the patient has had any nuclear medicine scans done in this area, it is important to have those studies for this exam. This test involves no radiation and is harmless.
Before Your Test
There are usually no special preparations for this test.
During Your Test
You will lie on your back with your neck exposed. Non-greasy gel will be applied to the skin in this area.
Approximate Exam Time
The exam will take approximately 30 minutes.
After Your Test
Before leaving, you may need to wait briefly while the images are being reviewed. You can get back to your normal routine right after the test. Your doctor will let you know when the results are ready.