Endoscopic ultrasound-guided fine needle aspiration biopsy (EUS-FNA) is currently performed on a routine basis at many endoscopic centers and it is evident that this procedure has a major impact ...

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.

A fine-needle aspiration (FNA) is a procedure that's used to sample cells ... In some cases, a needle core biopsy is used ...

Endoscopic ultrasound-guided fine needle aspiration biopsy (EUS-FNA) of a large mediastinal tumor. The needle (arrowheads) should be clearly visible during the entire biopsy procedure.

Use of the fine-needle aspiration thyroglobulin assay could ... up of patients with papillary thyroid carcinoma (PTC), and this technique frequently finds enlarged lymph nodes.

You may also have a fine needle aspiration or vitreous biopsy if your eye specialist thinks you have ... Your nurse will show you how to do this. A needle biopsy is a very safe procedure. But your ...