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 specialized bone marrow biopsy needle is then inserted through the ... Changes observed in the shape of red blood cells can ...

Sometimes a cyst that at one time appeared to be benign changes in shape or other features to the extent that malignancy is suspected ... Another method for treating renal cysts and/or performing a ...

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 ...