Dr.K.G.MoniGandhiover 6 years ago

A healthy 29-year-old woman comes to the physician for a health maintenance examination. Palpation of the neck reveals a firm, 0.5-cm nodule in the right thyroid lobe. The remainder of the gland is normal. The physical examination is otherwise unremarkable. The patient denies any symptoms attributable to hyperthyroidism. The results of thyroxine and TSH immunoassays are within normal limits. Which of the following is the most appropriate next step in diagnosis? (A) MRI scan of the neck (B) CT scan of the neck (C) Radioactive iodine scan (D) Fine needle aspiration (E) Excision