radioiodine (redirected from radioiodine therapy)

radioiodine /ra·dio·io·dine/ (-i´o-din) any radioactive isotope of iodine, particularly 123I, 125I, and 131I; used in diagnosis and treatment of thyroid disease and in scintiscanning.

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ra·di·o·i·o·dine (rd---dn)

n.

A radioactive isotope of iodine widely used as a tracer.

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radioiodine

any radioactive isotope of iodine.

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radioiodine therapy

see iodine-131.

radioiodine uptake t

¹³¹I or ¹²⁵I are used by oral or intravenous administration as a test of thyroidal function.