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.

It is recommended that aspirin or other agents that affect coagulation be discontinued for several days before the procedure ... to a "pistol-grip" device. Aspiration should be as minimally ...

There are four main types of breast biopsy procedures: Fine needle aspiration is a non-surgical, outpatient procedure done with a thin, hollow needle attached to a syringe. The needle is used to ...