Iodine-131 and Thyroid Function

Iodine-131 and Thyroid Function

Iodine-131 and Thyroid Function: Ostroumova et al. Respond

Sodium selenite enhances thyroid uptake of iodine-131 and regulates thyroid function in rats.

The aim of the present study was to evaluate the role of selenium (Se) on the thyroid uptake and retention of radioiodine ((131)I) and on the serum levels of thyroid hormones. Experimental rats were divided into four groups with 10 animals in each group viz: untreated controls, (131)II-treated, Se-treated and (131)I+Se-treated. Group II and Group IV animals were injected intraperitoneally with ...

Iodine and thyroid function

Severe iodine deficiency causes hypothyroidism that results in impaired somatic growth and motor development in children. Mild and moderate iodine deficiencies cause multifocal autonomous growth of thyroid, which results in thyrotoxicosis. On the other hand, iodine excess is associated with the development of hypothyroidism and thyroid autoimmunity. In areas of iodine deficiency, a sudden incre...

In vivo thyroid monitoring for iodine-131 in the environment.

Monitoring of air and milk samples is done routinely around nuclear facilities that release iodine-131 to the environment. Results from these measurements are used to calculate dose rates to the thyroids of people who live near such facilities. These calculated dose rates have large uncertainty factors associated with them due to the complexity of predicting the movement of iodine-131 through t...