Thyroid Scan

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What is the thyroid gland?

The thyroid is a gland that makes and stores essential hormones that help regulate the heart rate, blood pressure, body temperature, and the rate of chemical reactions (metabolism) in the body. It is located in the anterior neck just below the Adams apple.

Picture of Thyroid Gland
Picture of Thyroid Gland

The thyroid gland is the, is the main part of the body that takes up iodine. In a thyroid scan, iodine is labeled with a radioactive tracer, and a special camera is used to measure how much tracer is absorbed from the bloodstream by the thyroid gland. If a patient is allergic to iodine, technetium can be used as an alternative.

Medically Reviewed by a Doctor on 2/6/2014

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Endocrinology - Diagnosis Question: Please describe your experience taking the thyroid scan test.

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