pituitary apoplexy


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Related to pituitary apoplexy: Sheehan syndrome

pi·tu·i·tar·y ap·o·plex·y

a syndrome of abrupt onset, consisting of impaired consciousness, retroorbital pain, meningism, ophthalmoplegia, and rapidly progressive visual loss resulting from infarction of the pituitary gland, often because of a hemorrhage into a pituitary adenoma.

pituitary apoplexy

Acute life-threatening hemorrhagic infarction of the anterior pituitary or adenohypophysis, often associated with an infarcted pituitary adenoma or other tumor; PA may occur spontaneously, or due to an 'obstetric' hemorrhage–eg, Sheehan syndrome, regional RT, ↑ intracranial pressure, or systemic anticoagulation Clinical The PA 'syndrome' may be transient or permanent; it is characterized by sudden headache, loss of vision, ophthalmoplegia, and if severe, shock Lab ↓ Growth hormone, ↓ gonadotropins, ↓ ACTH, ↓ TSH–with hypothyroidism, abnormal prolactin secretion, rarely, diabetes insipidus Treatment Hormone replacement, bromocriptine

pituitary apoplexy

Hemorrhage into or necrosis of the pituitary gland. Symptoms may include sudden headache, oculomotor palsy, peripheral visual deficits, and altered mental status. Treatment usually includes prompt administration of adrenal steroids.
See also: apoplexy

pi·tu·i·tar·y ap·o·plex·y

(pi-tūi-tar-ē apŏ-plek-sē)
Syndrome of abrupt onset, consisting of impaired consciousness, retroorbital pain, meningism, ophthalmoplegia, and rapidly progressive visual loss resulting from infarction of pituitary gland.
References in periodicals archive ?
In a previous series of patients presenting with pituitary apoplexy, intrasellar hemorrhage was not recognized on initial NCT in the majority of cases, although intrasellar tumors were visible in almost all cases on NCT.
A final diagnosis of acute pituitary apoplexy complicating a pituitary macro-adenoma was made.
The development of pituitary apoplexy after the intravenous administration of isosorbide dinitrate and heparin is a rarely described event.
There doctors concluded that Mr Ajimal was suffering from a condition called pituitary apoplexy a bleed in the pituitary gland caused by a small tumour.
Causes of intracranial haemorrhage Intracerebral haematoma Subarachnoid haemorrhage Hypertensive haemorrhage Aneurysm Amyloid angiopathy Peri-mesencephalic bleed Arterio-venous malformation Arterio-venous malformation Aneurysmal haemorrhage Pituitary apoplexy Haemorrhagic tumour Drug abuse Dural sinus fistula Anticoagulant drugs Infarct with haemorrhagic Pituitary apoplexy transformation Venous infarct with Anticoagulant drugs haemorrhagic transformation
Surgery is also recommended when the incidentaloma is abutting or compressing the optic nerves or chiasm on magnetic resonance imaging, when a patient is experiencing pituitary apoplexy with visual disturbance, or if a patient has a hypersecreting tumor other than a prolactinoma, according to the guidelines, which appear in the Endocrine Society's journal (J.
In pituitary apoplexy syndrome (Figure 4), patients present with ophthalmoplegia, headache, and visual loss due to pituitary infarction/hemorrhage.
Pituitary apoplexy is a rare clinical syndrome characterized by sudden onset of headache and vomiting, accompanied by visual disturbance or ocular motility impairment and some degree of pituitary insufficiency (1).

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