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 ...

Imaging tests, such as computed tomography (CT) scan or ultrasound, can also be used to find and ... that affects the body's hormone-producing glands. MEN-1 can lead to tumors in the parathyroid, ...