This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Thyroid carcinoma associated with hypocalcemia is - 
Select and explain. 
A. Follicular carcinoma, B. Medullary carcinoma, C. Anaplastic carcinoma, D. Papillary carcinoma
B: Medullary carcinoma
Answer: B: Medullary carcinoma 
Explanation: None