Serious complications after fine needle aspiration are rare. Minor bleeding under the skin at the biopsy site can occur. This can result in a tender, swollen area called a hematoma.

Fine Needle Aspiration (FNA) is a safe, minimally invasive biopsy used to diagnose lumps or masses by extracting cells for cytology and lab analysis. Read more. advertisement.

Cite this: Thyroid Fine Needle Aspiration (FNA) and Cytology - Medscape - Jan 01, 2003. Introduction; Indications for FNA; Factors Suggesting a Lower Risk for Thyroid Cancer; ...

Endoscopic Ultrasound-Guided Fine Needle Aspiration Biopsy: Equipment and Technique . Peter Vilmann; Adrian Săftoiu. Disclosures. J Gastroenterol Hepatol. 2006;21(11):1646-1655.

Fine-needle aspiration biopsy of the thyroid nodule is a procedure in which a small sample of cells is obtained from a thyroid nodule with the aid of a thin needle under ultrasound guidance.

Repeat fine-needle aspiration can diagnose more than half of thyroid nodules initially classified as indeterminate, but diagnosis rates are less than 50% with nodules smaller than 0.5 cm or larger ...

Only about 1% of thyroid nodules classified as benign are malignant on repeat fine-needle aspiration biopsy. Data were derived from Zia-Ul-Hussnain HM, et al. BMC Endocr Disord . 2022;doi:10.1186 ...