METHOD Bread products were purchased from grocery stores at four separate times over a
period of six months in various parts of New York City. The iodine content of six popular …

The Estimation of Extra-Thyroid Neck Tissue Radioactivity During Thyroid Radioiodine Uptake
Measurements.' Page 1 JOURNAL OF NUCLEAR MEDICINE 8 :678-685, 1967 The Estimation …

MATERIALS AND METHODS Eleven healthy volunteers ranging in age from 25 to 51years
were the subjects of this study. Each sub ject had at least two@ Iuptakes (one with capsule …

MATERIALS AND METHODS From September 1973 to January 1974, 225 pa tients were
referred to us for thyroid evaluation that included a radioiodine uptake study. The uptake …

MATERIALS AND METHODS The clinical material consisted of patients on the medical
services of the various hospitals of the Indiana University Medical Center and normal volun …

The 24-hour iodine-uptake determination is the most commonly used radioisotope study. At
the present time doses up to 100 µ c of I131 are given to the patient for this measurement …

The avidity of the thyroid gland for the essential thyroid hormone precursor iodine is a
measure of thyroid function and can be gauged by means of the radioactive iodine tracer …

The measurement of the uptake of a tracer dose of I131 by the thyroid gland has become a
standard test of thyroid function. When combined with the basal metabolic rate (BMR) and …

METHOD Patients received no solid food within 3 hr of ad ministration of the oral dose of
1321Individual doses of 10@ of 1321, diluted to 5 ml in plastic syringes, were prepared …

The normal range for thyroid radioactive iodine (RAI) uptake values in the Minneapolis area
has shifted twice in the past 20 years. The mean 24hour thyroid RAI uptake value in 29 …