The laboratory investigation of a patient shows |T4, and |TSH. Which of the following is the most likely diagnosis:: (A) Grave's disease, (B) Hashimoto's disease, (C) Pituitary failure, (D) Hypothalamic failure
Answer is B. Grave disease is hypehyroid state,pituitary and hypothalamic failures are considered by decreased TSH. Hashimoto disease is characterised by increased TSH and decreased T4 .