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 ...

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.

Breast biopsy procedures involve removing a small sample of breast tissue to check for cancer or other abnormal cells. There are a few types. Core ... may use ultrasound to guide the needle.

A prostate biopsy ... transrectal ultrasound (TRUS), a type of imaging that helps guide the needle from the rectum into the prostate. The procedure can be done in the office under local anesthesia ...

All repeat biopsies used a transrectal ultrasound-guided 12-core protocol, in which six biopsy cores were obtained from the periphery of the prostate (directed bilaterally at the base, mid-zone ...

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 ...