Surgery Which of the following is not true about medullary carcinoma of thyroid? A Metastases to bone are osteoblastic B Carcinoembryonic antigen is a better predictor of prognosis compared to calcitonin C Medullary carcinomas of thyroid are not hormone dependent D FNAC cannot be used for diagnosis 💡 Explanation Which of the following is not true about medullary carcinoma of thyroid? ✓ Correct Answer: D. FNAC cannot be used for diagnosis