Thyroid scan

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Thyroid enlargement - scintiscan

Overview Risks Results

Thyroid scan

All radiation has possible side effects. There is a very small amount of radiation in the radioisotope ingested during this test, but women who are nursing or pregnant should discuss the risks to the fetus or infant with their health care providers before taking this test.

The concerns regarding radiation side effects are taken into consideration when the test is ordered, but the benefits of taking the test usually far outweigh the risks.

Thyroid scans using radinuclides are used with other studies, such as blood tests and ultrasound, to evaluate the thyroid. Your doctor may send you for more than one type of test.

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