A local anesthetic can be infused in the intended region of aspiration. The bone marrow needle can be flushed with an anticoagulant (either heparin or EDTA can be used). Use of the anticoagulant ...

Aspiration should be as minimally traumatic ... Any additional material can be combined with material rinsed from the needle and spun down to form a cell block which can then be embedded in ...

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 ...

U ltrasound-guided fine-needle aspiration (FNA) has long been used as a safe and effective way to evaluate thyroid nodules in adults, usually without sedation. Less is known about the safety and ...