iodine I 124

Definition / meaning of iodine I 124

A radioactive isotope of iodine, a nonmetallic element of the halogen group, with an atomic mass of 124 and a half-life of 4.18 days with radioisotopic activity. Selectively accumulating in thyroid tissue, iodine I 124 emits positrons that can be detected by positron emission tomography (PET), allowing localization of thyroid tissue. This radiosiotope also emits gamma rays.

Listed under:

Find More About 'iodine I 124'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

Leave a Comment