A radioactive iodine uptake (RAIU) tests the function of your thyroid gland, which helps regulate your metabolism. It works by measuring how much radioactive iodine is absorbed by the thyroid gland, ...

The uptake of radioiodine by the thyroid gland is a sensitive indicator of thyroid function. Introduced more than two decades ago as a diagnostic aid, this technic has evolved as an objective, safe ...

THE most widely applied technic involving the use of radioactive iodine in the diagnosis of hyperthyroidism is the measurement of the thyroid uptake after the oral administration of tracer doses. The ...

This may be explained by the fact that the records from 1955 only relate to individuals with outspoken thyroid disease (no biochemical tests being available), whereas in 2000, hyperthyroidism was ...