title: A case of pituitary apoplexy masquerading as subarachnoid hemorrhage.
abstract: Pituitary apoplexy may cause xanthochromia and mimic the clinical presentation of subarachnoid hemorrhage.
authors.affiliation: University Hospital of Wales Heath Park Cardiff UK.
authors.forename: Maitrayee
authors.initials: M
authors.lastname: Choudhury
authors.affiliation: University Hospital of Wales Heath Park Cardiff UK.
authors.forename: Vinay
authors.initials: V
authors.lastname: Eligar
authors.affiliation: University Hospital of Wales Heath Park Cardiff UK.
authors.forename: Anna
authors.initials: A
authors.lastname: DeLloyd
authors.affiliation: University Hospital of Wales Heath Park Cardiff UK.
authors.forename: John Stephen
authors.initials: JS
authors.lastname: Davies
keywords: Endocrine; headache; pituitary; subarachnoid; xanthochromia