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How does a thyroid nuclear medicine scan work?

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Answer:

A radioactive substance that concentrates in the thyroid is taken orally or injected into a vein (intravenously), or both. A special camera is used to take an image of the distribution of the radioactive substance in and around the thyroid gland.

First answer by Gale Ency. of Medicine. Last edit by Gale Ency. of Medicine. Contributor trust: 36 [recommend contributor ]. Question popularity: 1 [recommend question].

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Relevant answers:

What other names are there for a thyroid nuclear medicine scan?
may also be referred to as a thyroid scintiscan. The name of the radioactive substance used may be incorporated and the study called a technetium thyroid scan or an iodine thyroid scan.
What type of fasting is required for a thyroid nuclear medicine scan?
Some institutions prefer that the patient have nothing to eat or drink after midnight on the day before the radioactive liquid or capsule is to be taken. A normal diet can usually be resumed two...
When would someone have a thyroid nuclear medicine scan?
may be ordered by a physician when the gland becomes abnormally large, especially if the enlargement is greater on one side, or when hard lumps (nodules) are felt.
How long does a thyroid nuclear medicine scan take?
The radionuclide scanner, also called a gamma camera, is positioned above the thyroid area as it scans. This takes 30-60 minutes.
How do they administer the dye in a thyroid nuclear medicine scan?
Most often, the patient is given the radioactive substance in the form of a tasteless liquid or capsule. It may be injected into a vein (intravenously) in some instances.

How does a thyroid nuclear medicine scan work?

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