7.4.3 Headache attributed to hypothalamic or pituitary hyper- or hyposecretion

Description:
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.

Diagnostic criteria:
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.