The thyroid scan and a radioactive iodine uptake test (RAIU),
also known as a thyroid uptake, are types of nuclear medicine
imaging.
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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.
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This should last at least 24hours
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This test is performed in a radiology facility, either in an
outpatient x ray center or a hospital department.