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: Pathology
Tense and painful thyroiditis is 
Select and explain. 
A. Dequern's thyroiditis, B. Riedel thyroiditis, C. Hashimoto thyroiditis, D. Subacute lymphocytic thyroiditis
A: Dequern's thyroiditis
Answer: A: Dequern's thyroiditis 
Explanation: Answer- A. Dequern's thyroiditisDequervain thyroidits (granulomatous thyoiditis) - Most common cause of thyroid pain.