Thyroid ultrasound uses sound waves that are translated into a 2-dimensional image to produce a picture of the thyroid gland on a monitor. This safe and painless procedure is used in diagnosis of tumors, cysts, or goiters of the thyroid.
Reviewed By: Brent Wisse, MD, board certified in Metabolism/Endocrinology, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.