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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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Radioisotope_scanning
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1992-09-02
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The use of radioactive materials
(radioisotopes or radionuclides) to pinpoint
disease. It reveals the size and shape of the
target organ and whether any part of it is
failing to take up radioactive material,
usually an indication of disease. The
speciality known as nuclear medicine makes
use of the affinity of different chemical
elements for certain parts of the body.
Iodine, for instance, always makes its way to
the thyroid gland. After being made
radioactive, these materials can be given by
mouth or injected, and then traced on
scanners working on the Geiger-counter
principle.