A Fine Needle Aspiration (FNA) is a type of biopsy that uses a very small needle to collect cells from thyroid nodules or superficial lymph nodes to determine if the cells are normal or abnormal.
A Fine Needle Aspiration (FNA) is a type of biopsy that uses a very small needle to collect cells from thyroid nodules or superficial lymph nodes to determine if the cells are normal or abnormal.