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Fine-needle aspiration (FNA) is a diagnostic procedure used to investigate lumps or masses. In this technique, a thin (23–25 gauge (0.52 to 0.64 mm outer diameter)), hollow needle is inserted into the mass for sampling of cells that, after being stained , are examined under a microscope ( biopsy ).
Thyroid tissue may be obtained for biopsy by fine needle aspiration (FNA) or by surgery. [citation needed] Fine needle aspiration has the advantage of being a brief, safe, outpatient procedure that is safer and less expensive than surgery and does not leave a visible scar. Needle biopsies became widely used in the 1980s, though it was ...
To achieve a definitive diagnosis, a fine needle aspiration cytology test may be performed and reported according to the Bethesda system. [28] After diagnosis, to understand potential for spread of disease, or for follow up monitoring after surgery, a whole body I-131 or I-123 radioactive iodine scan may be performed. [29]
–conducted to help the surgeon locate the tumor and address complications (i.e. the extent of the neoplasm and its resulting excision). Fine-needle aspiration - technique in helping the surgeon to physically diagnose the malignancy of the tumor; Neck dissection - only considered in the most extreme of cases before a parotidectomy.
Fine-needle aspiration is a common procedure. [1] However, it is controversial: [ 11 ] it is recommended by some for the reason that a seroma can be a culture medium for bacteria, [ 12 ] whereas others advise it only for collection of excessive amounts of fluid, because even an aspiration carried out under aseptic conditions carries a certain ...
Thyroglossal cysts can be defined as an irregular neck mass or a lump which develops from cells and tissues left over after the formation of the thyroid gland during developmental stages. [ 1 ] Thyroglossal cysts are the most common cause of midline neck masses and are generally located caudal to (below) the hyoid bone.
Complications: A Surgeon's Notes on an Imperfect Science is a nonfiction book collection of essays written by the American surgeon Atul Gawande. Gawande wrote this during his general surgery residency at Brigham and Women's Hospital and was published in 2002 by Picador . [ 1 ]
A fine needle aspiration of a sample of thyroid tissue may be taken in order to evaluate a lesion seen on ultrasound which is then sent for histopathology and cytology. [89] Computed tomography of the thyroid plays an important role in the evaluation of thyroid cancer. [90]