This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Anatomy
[{'content': 'Thyroid carcinoma with pulsatile vascular skeletal metastasis is \nSelect and explain. \nA. Medullary, B. Anaplastic, C. Follicular, D. Papillary', 'role': 'user'}, {'content': "Answer: C \nExplanation: Pulsatile secondaries are seen in: Follicular carcinoma Thyroid Renal cell carcinoma ref - Srb's manual of surgery 5e p481", 'role': 'assistant'}]