A 54-year-old librarian attends her GP with complaints of fatigue and weight gain
A 54-year-old librarian attends her GP with complaints of fatigue and weight gain. Investigations, including MRI pituitary, confirm a pituitary adenoma. What is the single best initial test to monitor response to levothyroxine in a patient with pituitary adenoma?
Select the SINGLE most appropriate option from the list below. Select ONE option only.
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