Likely FNA: Fna stands for fine needle aspiration. The skin is numbed with an anesthetic shot and usually an ultrasound is used to guide a needle biopsy. Needle biopsy of parathyroid glands are relatively uncommon, so ask your doctor/surgeon to clarify.
Answered 2/22/2019
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Needle aspiration: Relatively uncommon, but if required a small needle is placed in the presumed parathyroid and smeared on a slide (or sent for a PTH assay). Ultrasound is used. Local anesthesia. Minimal pain and bother.
Answered 6/10/2014
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