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
Long standing goitre leads to 
Select and explain. 
A. Follicular carcinoma, B. Colloid carcinoma, C. Medullary carcinoma, D. Papillary carcinoma
A: Follicular carcinoma
Answer: A: Follicular carcinoma 
Explanation: Long standing goitre leads to cancer, usually follicular. Dominant or rapidly growing nodules in longstanding goitres should always be subjected to aspiration cytology. Reference: Bailey & Love's Sho Practice of Surgery, 27th Edition, page no= 807.