This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrine, Subject name: Pathology
Hurthle cells are seen in? 
Select and explain. 
A. Medullary carcinoma thyroid, B. Papillary carcinoma thyroid, C. Hashimoto's thyroiditis, D. Pituitary adenoma
C: Hashimoto's thyroiditis
Answer: C: Hashimoto's thyroiditis 
Explanation: Ans. is 'c' i.e. Hashimoto's thyroiditis * Hurthle cells are large epithelial cells with abundant pink cytoplasm.* They are found in follicular adenoma, follicular carcinoma and Hashimoto's thyroiditis.