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 ...

Cysts can form in the kidney for many reasons, and most such cysts are benign (non-cancerous). However, in some instances a cyst may become enlarged to the point that it causes pain, obstructs the ...