27th May 2025

A 52-year-old woman presents to the endocrinologist with fatigue, myalgia and muscle twitches.

A 52-year-old woman presents to the endocrinologist with fatigue, myalgia and muscle twitches. On examination a bitemporal hemianopia is found. This reveals a pituitary adenoma. An endocrinology panel shows a low cortisol and positive synacthen test. What is the most likely type of pituitary adenoma in this patient?

Select the SINGLE most appropriate option from the list below. Select ONE option only.