radioiodine
Noun
Meaning
radioiodine (countable and uncountable, plural radioiodines)
(physics, medicine) The radioactive isotope of iodine, 53I, having a half-life of 8 days; used as a medical tracer
Synonyms
Examples
A major expected side-effect of radioiodine in patients with Graves' disease is the development of lifelong hypothyroidism, requiring daily treatment with thyroid hormone.
Aim: To examine taste distortion after radioiodine therapy and to study the association between taste distortion and radioiodine accumulation in the salivary gland.
Depending on the dose of radioiodine chosen, and the disease under treatment (Graves' vs. toxic goiter, vs. hot nodule etc.), success rate in achieving definitive resolution of the hyperthyroidism may vary from 75-100%.
However, a study from 2007 has reported an increased cancer incidence after radioiodine treatment for hyperthyroidism.
Excess radioiodine that does not get absorbed into the thyroid gland is eliminated by the body in urine.
Also, radioiodine treatment of Graves' disease often eventually leads to hypothyroidism.