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A member asked:
How will a radioactive iodine uptake test diagnose goiter?
10 doctors weighed in across 2 answers
It will not: An i131 test does not "diagnose" goiter. Goiter is just a term meaning an enlarged and/or nodular thyroid. An i131 scan is a "fucntional" scan. It is used to determine if a nodule within the thyroid is "hot" - picks up a lot of iodine: hyper-metabolic. A "cold" nodule does not concentrate the iodine: hypometabolic. There is a lower risk of thyroid cancer in "hot" nodules.
Answered 10/4/2016
5.8k views
Determines size...: And function. The uptake portion of the exam will usually be able to tell if the gland is under or over active. The images help determing if a nodule is hot or cold, which help determine what the nodule is. The test should be reviewed with thyroid function tests and ultrasound when possible.
Answered 2/10/2015
4.9k views
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