Thyroid Scan: Why It Is Done
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Why It Is Done
A thyroid scan is done to:
- See whether thyroid nodules are present.
- Find the cause of an overactive thyroid gland (hyperthyroidism).
- See whether thyroid cancer has spread outside the thyroid gland. A whole-body thyroid scan will usually be done for this evaluation.
| Last updated: | August 14, 2008 |
|---|---|
| Author: | Caroline Rea, RN, BS, MS |
| Reviewed By: | Caroline S. Rhoads, MD - Internal Medicine, Matthew I. Kim, MD - Endocrinology & Metabolism |
| Editors: | Maria Essig, Tracy Landauer |
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