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Endocrine Abstracts (2015) 37 EP1160 | DOI: 10.1530/endoabs.37.EP1160

1Faculty of Medicine, Department of Endocrinology, Trakya University, Edirne, Turkey; 2Department of Internal Medicine, Sakarya Education and Research Hospital, Sakarya, Turkey; 3Faculty of Medicine, Department of Infectious Diseases and Clinical Microbiology, Sakarya University, Sakarya, Turkey.


Pituitary apoplexy (PA) is a rare but life-threatening medical emergency. Common predisposing factors include closed head trauma, blood pressure alterations, history of pituitary irradiation, cardiac surgery, anticoagulation, treatment with dopamine agonists, pituitary stimulation testing, and pregnancy. Hantaviruses belonging to the Bunyaviridae family are a group of rodent- or insectivore-borne single-strand ribonucleic acid (RNA) viruses. In humans, hantaviruses can cause haemorrhagic fever with renal syndrome or cardiopulmonary syndrome. About one third of the patients may occur bleeding in the brain, conjunctiva or gastrointestinal tract. Pituitary hemorrhage due to pituitary insufficiency have also been reported. We report the case of a patient, who the 62-years-old man was admitted to the emergency department with complaints of fever, severe headache and confusion. There was no disease in his history. He had not taken any medication or had bleeding disorder prior to this presentation. Leukopenia, thrombocytopenia, elevated liver enzymes and creatinine and panhypopituitarism was detected in laboratory investigations at intensive care. The patient underwent hemodialisis and stress-dose methylprednisolone was started. Because of fever, acut renal failure and thrombocytopenia etiology were thought to be viral infections. Serum sample of the patient was sent to National Reference Virology Laboratory for IFA and immunoblot test which revealed hantavirus IgM and IgG antibodies. Hantavirus seropositivity was determined by two tests. Magnetic resonance imaging revealed sella and suprasellar mass (22×23×30 mm) with evidence of acute hemorrhage and diagnosed as PA. The patient underwent transsphenoidal surgery. Histopathologic examination showed signs of recent bleeding. 12 months after surgery, the patient with persisten hypopituitarism is given steroid, L-thyroxine and testosterone treatment. Thus, physicians should suspect PA in a patient with hemorrhagic fever who develops a rapid onset of severe headache, even in a patient without a known pituitary adenoma.

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