APOPLEJIA PITUITARIA PDF

Request PDF on ResearchGate | Apoplejía pituitaria. Revisión del tema | La apoplejía pituitaria es un síndrome caracterizado por una necrosis o hemorragia en. La apoplejía pituitaria es normalmente el resultado de un infarto hemorrágico que acontece a un adenoma hipofisario. La presentación clínica comprende un. Abstract. ZAMORA, Adrián; MARTINEZ, Paola and BAYONA, Hernán. Pituitary tumor apoplexy. Acta Med Colomb [online]. , vol, n.3, pp

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Ptosis is a previously reported but rare presenting feature and may result from haemorrhage into the tumour. Neurosurgery journals Neurosurgery society Useful addresses. Postgrad Med J ; Initial symptoms and anamnestic time in patients with pituitary adenoma.

Visual field assessment revealed left nasal loss and mild constriction of the right nasal field. Cranial nerve palsies are apoplejiaa uncommon, being more regularly seen in parasellar neoplasms such as meningiomas, less commonly with neurinomas, when the oculomotor nerve is the most likely to piutitaria affected, followed in frequency by the abducens and trochlear.

Cerebral infarction after pituitary apoplexy: If it is the first time you have accessed you can obtain your credentials by contacting Elsevier Spain in suscripciones elsevier.

Pituitary apoplexy constitutes a syndrome that is characterized by the ischemic infarction or hemorrhage into pituotaria pituitary tumour. Acquired causes include posterior communicating artery PCA aneurysms, diabetes mellitus, contact lenses, myasthenia gravis and Horner’s syndrome.

There is no proven association between pituitary tumours and aneurysms but they may coexist due to apopleja frequency of occurrence of both. Brant W, Helms C eds. Br J Ophthalmol ; Lesions of the oculomotor nerve can involve the nucleus in the midbrain or nerve fascicles within the ventral midbrain, subarachnoid space, cavernous sinus, superior orbital fissure or orbit.

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We report a case of pituitary apoplexy associated with cerebral infarction and discuss the relationship between the two events.

Two cases of pituitary tumour presenting with ptosis are reported. Incidence of intracranial aneurysm associated with pituitary adenoma. The topographical anatomy of the oculomotor nerve with the peripheral location of the pupilomotor fibres may explain the tendency for compressive lesions to involve the pupil and non-compressive lesions to spare it 5.

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All manuscripts are submitted for review by experts in the field peer review and are carried out anonymously double blind. Previous article Next article. Patients may present with acute ptosis.

WB Saunders Company, Pituitary apoplexy is a surgical emergency. Coronal CT images suggested a breach in the floor of the sella turcica. Emergency CT demonstrated no subarachnoid haemorrhage but showed an isodense uprasellar mass with an enlarged pituitary fossa.

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Third nerve lesions from diabetes mellitus or hypertension typically spare pupillary function although it is not always possible to differentiate between medical and compressive causes of these lesions based entirely on clinical findings as in case two. Isolated unilateral ptosis due to superior rectus weakness without other ophthalmic muscle or papillary abnormality may be due to involvement of the superior branch of the oculomotor nerve in the orbit and is rarely the initial feature of a pituitary tumour with apoplexy 5,9, Optochiasmatic syndrome from adhesive arachnoiditis with coesxisting hypophyseal adenoma: The following patients remind us that pituitary apoplexy is an uncommon but important associated finding in acute unilateral ptosis.

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An unruptured posterior communicating artery aneurysm was suspected and urgent cerebral angiography performed.

A year-old male of African descent presented with a history of sudden severe headache followed by closure of his left eye. Pituitary adenoma is the most common tumour of the sella turcica and suprasellar cistern.

Apoplejía pituitaria. Revisión del tema | Neurocirugía (English edition)

Clin Endocrinol Oxf ; The clinical presentation varies widely and includes asymptomatic cases, classical pituitary apoplexy and even sudden death. All manuscripts are submitted for review by experts in the field peer review and are carried out anonymously double blind. Services on Demand Article.

The mass expanded the sella, compressing the left cavernous sinus and the left internal carotid artery with superior displacement of the optic chiasm Fig. Neurosurg Rev ; Cerebral ischemia due to pituitary apoplexy is very rare. Continuing navigation will be considered as acceptance of this use. This entity requires the prior existence of an adenoma in order to be named as pituitary tumor apoplexy, otherwise, it should be named pituitary apoplexy.

Description of a case and review of the literature. Oculomotor nerve palsies generally develop as the end stage of an expanding tumour, combined with visual loss.