Headache caused by a pituitary adenoma and hypothamic or pituitary hyper- or hyposecretion, usually accompanied by disorder of temperature regulation, abnormal emotional state and/or altered thirst or appetite. It remits after successful treatment of the underlying disorder.
A. Any headache fulfilling criterion C
B. Hypothalamic or pituitary hyper- or hyposecretion (including prolactin, growth hormone (GH) and/or adrenocorticotropic hormone (ACTH) hypersecretion), associated with pituitary adenoma, has been demonstrated
C. Evidence of causation demonstrated by at least two of the following:
1. headache has developed in temporal relation to onset of hypothalamic or pituitary hyper- or hyposecretion
2. either or both of the following:
a) headache has significantly worsened in parallel with worsening of the hypothalamic or pituitary hyper- or hyposecretion
b) headache has significantly improved in parallel with improvement in the hypothalamic or pituitary hyper- or hyposecretion
3. headache is associated with at least one of the following:
a) disorder of temperature regulation
b) abnormal emotional state
c) altered thirst and/or appetite
D. Not better accounted for by another ICHD-3 diagnosis.