A normal (negative) report on a thyroid biopsy
does not mean for sure that the thyroid gland is healthy. It is possible that a
problem may have been missed. Many thyroid tumors are small, and the biopsy
sample may come from an area of the thyroid that is free from disease. A
fine-needle biopsy can have a
Your doctor may
not be able to use a needle biopsy to find out what is causing your symptoms.
An open thyroid biopsy may be needed.
thyroid nodule is found and high thyroid levels are present, a radioactive iodine
uptake (RAIU) test and a thyroid scan are generally recommended before a thyroid biopsy. Nodules
that cause hyperthyroidism are generally noncancerous (benign) and can be
treated with medicine or radioactive iodine. For more information, see the
Radioactive Iodine Uptake Test.
Other Works Consulted
Chernecky CC, Berger BJ (2008). Laboratory Tests and Diagnostic Procedures, 5th ed. St. Louis: Saunders.