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 ...

A 75-year-old woman with end-stage renal disease who is on chronic hemodialysis has a suppressed thyroid-stimulating hormone (TSH) of 0.1 µU/mL and levels of free thyroxine (T4) and free ...

Introduction The 24-h 131-I uptake (24h IU) is a simple procedure commonly used to verify a diagnosis of hyperthyroidism and to calculate the activity of radioiodine required to cure the patient (Berg ...