This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid Gland, Subject name: Surgery
All of the following conditions are associated with hyperthyroidism, except: 
Select and explain. 
A. Hashimoto's thyroiditis, B. Grave's disease, C. Toxic multinodular goiter, D. Struma ovary
A: Hashimoto's thyroiditis
Answer: A: Hashimoto's thyroiditis 
Explanation: Ans. (a) Hashiinoto's thyroiditisRef: Harrison 18th edition Page 1922* Thyroiditis will predominantly produce hypothyroidism.* De quervains is the only thyroiditis which will have early hyperthyroidism