Simple test...: That puts a device on skin over neck, bounces radio waves into tissues in neck to take echo-pictures of thyroid no needles, no pain, looking for nodules, cysts , other conditions in thyroid gland.
Answered 2/4/2013
5.4k views
Sound waves not xray: A thyroid ultrasound uses sound waves rather than x rays to take a picture of the thyroid gland, blood vessels and lymph nodes in the neck. It is an excellent test to distinguish if a thyroid "nodule" is solid or fluid-filled ( a cyst).
Answered 2/6/2016
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