Pituitary apoplexy

All are associated with pituitary apoplexy except :

a) Hyperthyroidism
b) Diabetes mellitus
c) Sickle cell anemia
d) Hypertension

Correct answer : a) Hyperthyroidism

Due to decrease in TSH secretion, there is hypothyroidism in pituitary apoplexy. The other options are known causes of pituitary apoplexy.