This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
25 yr old male presents with a diffuse thyroid swelling Biopsy shows intense lymphocytic infiltration along with Huhle cell change TSH is increased Diagnosis 
Select and explain. 
A. Grave's Disease, B. Hashimoto's thyroiditis, C. Follicular carcinoma, D. medullary thyroid carcinoma
B: Hashimoto's thyroiditis
Answer: B: Hashimoto's thyroiditis 
Explanation: Hashimoto&;s thyroiditis is the most common type of thyroiditis It is also known as lymphocytic thyroiditis due to an intense infiltration of the gland ref : bailey and love 27th ed