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Items: 4

1.

Iodine

A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically. [from MeSH]

MedGen UID:
5877
Concept ID:
C0021968
Biologically Active Substance; Element, Ion, or Isotope; Pharmacologic Substance
2.

Radioactive Iodine

A radioactive form of iodine, often used for imaging tests or to treat an overactive thyroid, thyroid cancer, and certain other cancers. For imaging tests, the patient takes a small dose of radioactive iodine that collects in thyroid cells and certain kinds of tumors and can be detected by a scanner. To treat thyroid cancer, the patient takes a large dose of radioactive iodine, which kills thyroid cells. Radioactive iodine is also used in internal radiation therapy for prostate cancer, intraocular (eye) melanoma, and carcinoid tumors. Radioactive iodine is given by mouth as a liquid or in capsules, by infusion, or sealed in seeds, which are placed in or near the tumor to kill cancer cells. [from NCI_NCI-GLOSS]

MedGen UID:
254819
Concept ID:
C1441129
Element, Ion, or Isotope; Hazardous or Poisonous Substance; Indicator, Reagent, or Diagnostic Aid; Pharmacologic Substance
3.

Euthyroid

MedGen UID:
49568
Concept ID:
C0117002
Finding
4.

Cold Nodule

When radioactive material is used to examine the thyroid with a scanner, nodules that collect less radioactive material than the surrounding thyroid tissue are considered "cold." A nodule that is cold does not make thyroid hormone. Cold nodules may be benign or cancerous. Cold nodules are sometimes called hypofunctioning nodules. [from NCI_NCI-GLOSS]

MedGen UID:
232374
Concept ID:
C1333077
Finding
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