an increasing number of liver biopsies are performed by radiologists under real-time ultrasound control. A routine ultrasound assessment of a puncture site before performing percutaneous biopsy is ...

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.

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 ...