title: A 45 year old patient with headache, fever, and hyponatraemia.
authors.affiliation: Department of Endocrinology, University of Ioannina, 45110, Ioannina, Greece.
authors.forename: Athanasios
authors.initials: A
authors.lastname: Fountas
authors.affiliation: Department of Endocrinology, University of Ioannina, 45110, Ioannina, Greece.
authors.forename: Maria
authors.initials: M
authors.lastname: Andrikoula
authors.affiliation: Department of Endocrinology, University of Ioannina, 45110, Ioannina, Greece atsatsou@uoi.gr.
authors.forename: Agathocles
authors.initials: A
authors.lastname: Tsatsoulis
mesh_terms: D000236:Adenoma / Q000150:complications* / Q000175:diagnosis; D005334:Fever / Q000209:etiology*; D006261:Headache / Q000209:etiology*; D006801:Humans; D007010:Hyponatremia / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D010899:Pituitary Apoplexy / Q000150:complications* / Q000175:diagnosis; D010911:Pituitary Neoplasms / Q000150:complications* / Q000175:diagnosis