Medical history A 57-year-old healthy female patient with normal findings on her neck examination underwent a neck ultrasonography, despite the lack of formal indication. It unveiled an incidentaloma, which is shown in the image provided herein. A fine-needle aspiration (FNA) was carried out afterwards and revealed suggestive features of follicular neoplasm. Her thyroid and parathyroid function tests were normal. Color Doppler ultrasonography of the thyroid gland Question:Based on the clinical data and the image given, it's reasonable to assert that: Taking only the US finding into consideration, an immediate surgical procedure would be indicated. Blood tests to measure calcitonin and carcinoembryonic antigen (CEA) serum levels would scarcely help in the differential diagnosis. Immunohistochemical staining for calcitonin expression could accurately set the diagnosis of medullary thyroid cancer. None of the above. Time is Up! Time's up
