During an employment health check at Infosys, Bangalore, a 45-year-old man, Narayan, is noted to have a 3 cm palpable nodule in one lobe of an otherwise normal sized thyroid gland. Needle aspiration of the nodule demonstrates polygonal tumor cells and amyloid, but only very scanty colloid and normal follicular cells. Which of the following is the most likely diagnosis?
During an employment health check at Infosys, Bangalore, a 45-year-old man, Narayan, is noted to have a 3 cm palpable nodule in one lobe of an otherwise normal sized thyroid gland. Needle aspiration of the nodule demonstrates polygonal tumor cells and amyloid, but only very scanty colloid and normal follicular cells. Which of the following is the most likely diagnosis?
💡 Explanation
During an employment health check at Infosys, Bangalore, a 45-year-old man, Narayan, is noted to have a 3 cm palpable nodule in one lobe of an otherwise normal sized thyroid gland. Needle aspiration of the nodule demonstrates polygonal tumor cells and amyloid, but only very scanty colloid and normal follicular cells. Which of the following is the most likely diagnosis?
✓ Correct Answer: C. Medullary thyroid carcinoma
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