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
Not a feature of dequervan's disease: 
Select and explain. 
A. Autoimmune in etiology, B. TESR, C. Tends to regress spontaneousl, D. Painful & associated with enlargements of thyroid
A: Autoimmune in etiology
Answer: A: Autoimmune in etiology 
Explanation: Answer is A (Autoimmune etiology) De Quervain's Thyroiditis is viral in origin (and not autoimmune). Symptoms usually follow an upper respiratory tract infection.