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: Surgery
[{'content': 'Thyroid carcinoma with pulsating vascular skeletal metastasis is \nSelect and explain. \nA. Follicular, B. Anaplastic, C. Medullary, D. Papillary', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In Follicular carcinoma the Blood-borne metastases are more common and the eventual moality rate is twice that of pappillary cancer. bone secondaries are typically vascular ,warm pulsatile, localised,commonly in skull,longbones, ribst. ref ;(page no;794)25th edition of Bailey and love&;s sho practice of surgery', 'role': 'assistant'}]