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 (EUS-FNA) is used for the cytologic evaluation of lymphoid tissue from patients with (unknown) lymphadenopathy; however, because only a limited ...

Clinical breast examination (CBE) is one of the most common methods used for early detection of breast cancer in low- and middle-income countries. CBE alone is limited by lack of specificity and may ...