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 ... In some cases, a needle core biopsy is used instead of FNA. The ...

A stiff steel needle for fine needle aspiration biopsy is the 'core' of this biopsy instrument. The needle is manipulated by a handle piston in the biopsy handle (Fig. 1). The handle piston can be ...