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thyroid scanning

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thyroid scanning,
a radionuclear scan that determines the size, shape, position, and physiologic function of the thyroid gland. It is useful in patients with neck or substernal masses, thyroid nodules, hyperthyroidism, metastatic tumors without a known primary site, and well-differentiated forms of thyroid cancer. The scan may focus either on the neck area only, or on the whole body (done in patients previously treated for thyroid cancer).


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Other tests include radioactive iodine uptake and thyroid scanning.
If the gland is asymmetric or hard, further evaluation with thyroid scanning and tissue sampling is needed.
If the nodule is cold on thyroid scanning, then it may be slightly higher than this.
 
 
 
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