Thyroid Scans
Evaluating Thyroid Function and Performance
Nuclear imaging is an effective tool in the diagnosis and treatment of problems with the thyroid, a gland in the neck that controls metabolism. This specialized exam provides both a percentage that identifies at what level the thyroid is functioning as well as images that are captured to help visualize the distribution of overall thyroid function. Additionally, radioactive iodine thyroid therapy is available for treating hyperthyroidism, offering a non-surgical solution for patients with overactive thyroid conditions.
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Frequently Asked Questions
Nuclear imaging uses small amounts of radioactive material to create detailed images of your thyroid gland and evaluate how well it’s functioning. This safe, non-invasive technique helps diagnose and treat various thyroid conditions by providing both structural and functional information about your thyroid.
The thyroid is a butterfly-shaped gland located in the front of your neck. It produces hormones that control your metabolism, which affects your energy levels, heart rate, weight, body temperature, and many other vital functions throughout your body.
Your doctor may order a thyroid scan to evaluate thyroid nodules or lumps, assess thyroid size and shape, determine if your thyroid is overactive or underactive, identify areas of abnormal thyroid tissue, monitor thyroid conditions, or plan treatment for thyroid disorders.
The duration varies by exam type. A basic thyroid scan typically takes 30 to 45 minutes. A thyroid uptake scan requires multiple visits over 24 hours to measure how your thyroid absorbs iodine over time. Your scheduling team will inform you of the expected time commitment for your specific exam.