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.

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; ...

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.

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 ...