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
Thyroid carcinoma with pulsatile vascular skeletal metastasis is 
Select and explain. 
A. Medullary, B. Anaplastic, C. Follicular, D. Papillary
C: Follicular
Answer: C: Follicular 
Explanation: Pulsatile secondaries are seen in: Follicular carcinoma Thyroid Renal cell carcinoma ref - Srb's manual of surgery 5e p481