An unusual case of hypopituitarism and transient thyrotoxicosis following asymptomatic pituitary apoplexy.

pituitary apoplexy; hypopituitarism; adrenal insufficiency; cortisol; hyperthyroidism; thyrotoxicosis; painless thyroiditis Abstract Although pituitary function is often impaired in pituitary apoplexy, the develop- ment of thyrotoxicosis is rare. We describe an unusual case of hypopituitarism due to pituitary apoplexy coexisting with transient hyperthyroidism. A 74-year-old woman presented with severe fatigue, pa lpitation, appetite loss, hypotension, and