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: Surgery
[{'content': "Which of the following is not a feature of dequervan's disease? \nSelect and explain. \nA. Autoimmune etiology, B. Elevated levels of ESR, C. Spontaneous regression, D. Painful enlargement of thyroid", 'role': 'user'}, {'content': 'Answer: A \nExplanation: De quervains thyroiditis is not of autoimmune etiology. It occurs several weeks following a viral illness with a prodrome of generalized myalgia, pharyngitis, low grade fever and fatigue. Viruses involved in causing this includes mumps, coxsackie, influenza, adeno virus and echo virus. Ref: Ultrasound of the Thyroid and Parathyroid Glands By Robe A. Sofferman, Page 86; Acute Endocrinology: From Cause to Consequence By Greet Van Den Berghe, Page 10', 'role': 'assistant'}]