Fine needle aspiration of the thyroid and lymph nodes

Fine needle aspiration of thyroid and lymph nodes is a type of biopsy.

During the procedure, a thin needle is inserted into the abnormal tissue. The cell sample collected is examined to make a diagnosis or rule out conditions such as cancer.

Fine needle aspiration is most often used on lumps or abnormalities located just under the skin, including the thyroid and lymph nodes.

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