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
Carcinoma that doesnot arise from thyroid follicles 
Select and explain. 
A. Medullary carcinoma-thyroid, B. Papillary carcinoma-thyroid, C. Anaplastic carcinoma-thyroid, D. Huhle cell carcinoma-thyroid
A: Medullary carcinoma-thyroid
Answer: A: Medullary carcinoma-thyroid 
Explanation: Medullary carcinoma thyroid arise from parafollicular &;C&; cells. 20-30% of these occur in familial basis as pa of MEN 2A and MEN 2B syndromes Papillary, follicular and anaplastic carcinomas arise from follicular cells Huhle cell crcinoma is a subtype of follicular carcinoma and has more aggresive biological behaviour, compared to other follicular carcinomas of thyroid.