hemianopsia/edema

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Localized bi-nasal macular edema in optic chiasmal syndrome.

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A 28-year-old healthy male complaining of vision loss in his right eye was discovered to have localized bi-nasal macular edema in the presence of a pituitary adenoma. The presence of a junctional scotoma composed by a central scotoma in the right eye associated with superior temporal quadrantanopia

Reversible congruous homonymous hemianopia as a symptom of shunt malfunction.

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Congruous left homonymous hemianopia occurred as a symptom of ventriculoperitoneal shunt malfunction. The low attenuation along the ventricular catheter in the right occipital area that was seen on a computed tomography scan disappeared after revision of the shunt, and corresponded with improvement

Traumatic bitemporal hemianopsia: case report.

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Bitemporal hemianopsia due to trauma to the optic chiasm is uncommon following head injury. In the patient described, a hemianopic field defect was seen 12 days after frontal basilar skull fracture. We feel the cause is intrachiasmatic contusion, edema, and hemorrhage. Serial ophthalmologic

Traumatic homonymous hemianopsia associated with a juxtasellar hematoma after acute closed head injury.

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A case is reported in which homonymous hemianopsia associated with a juxtasellar hematoma occurred as a result of an acute closed head injury. The homonymous hemianopsia, which was considerably improved with conservative therapy, is suggested to have been due to vascular insufficiency or edema, or

Optic nerve head drusen simulating a bitemporal hemianopia.

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A 70-year-old man right eye over 5 weeks. He was found clinically to have a bitemporal hemianopia and bilateral disc edema. Testing revealed optic nerve head drusen (ONHD) bilaterally causing enlarged blind spots (pseudo-bitemporal hemianopia). This case illustrates that ONHD should be listed in the

Reversible Edema-Like Changes Along the Optic Tract Following Pipeline-Assisted Coiling of a Large Anterior Communicating Artery Aneurysm.

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Aneurysmal volume expansion after endovascular treatment is caused by intra-aneurysmal thrombosis in the early postembolization period. Although postembolization mass effect on cranial nerves and other adjacent structures has been previously reported, we are unaware of reports involving the anterior

Homonymous Quadrantanopsia as the First Manifestation of Cerebral Metastasis of Invasive Mole: a case report.

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BACKGROUND Homonymous quadrantanopsia results from retrochiasmal lesions in the visual pathway. Invasive mole is a benign tumor that arises from myometrial invasion of a hydatidiform mole via direct extension through tissue or venous channels. Cerebral metastasis of invasive mole is rare and there

[A case of pituitary adenoma presenting binasal inferior quadrants hemianopsia].

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Visual field defect due to pituitary adenoma ordinarily shows bitemporal hemianopsia. But we experienced a case presenting binasal inferior quadrants hemianopsia. A 60-year-old woman was admitted to our hospital complaining of headache and blurred vision. At ophthalmologic examination, the visual

Homonymous hemianopsia as the leading symptom of a tumor like demyelinating lesion: a case report.

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BACKGROUND Differential diagnosis of a cerebral lesion can prove to be a very challenging task for the treating physician. Many non-neoplastic neurological diseases can mimic brain neoplasms on neuroimaging. METHODS A previously healthy 23-year-old male, presented with blurred vision to the

Suprasellar Hemangioblastoma with Reversible Edema-Like Change Along the Optic Tract: A Case Report and Literature Review.

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BACKGROUND Hemangioblastomas usually occur in the cerebellum and are often a component of von Hippel-Lindau disease. Edema-like changes along the optic tract are commonly observed in association with tumors in the sellar and suprasellar regions, such as craniopharyngiomas and pituitary adenomas.

Decompression Hemicraniectomy for Refractory Intracranial Hypertension in Reversible Cerebral Vasoconstriction Syndrome.

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Reversible cerebral vasoconstriction syndrome (RCVS) is a disorder of dysregulation of cerebrovascular tone resulting in transient segmental vasoconstriction which resolves in 1-3 months. Cerebral edema is an underrecognized complication in RCVS. It is likely multifactorial. This edema can lead to

Surgical treatment for late complications following gamma knife surgery for arteriovenous malformations.

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BACKGROUND To establish the surgical indications and strategy for late complications following gamma knife surgery (GKS) for arteriovenous malformations (AVMs). METHODS Ten male and 7 female patients aged 17-52 years (mean 28.0 years) were retrospectively identified among 686 patients who underwent

Aphasic and visual aura with increased vasogenic leakage: an atypical migrainosus status.

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The pathogenesis of migraine with aura has not been fully established yet. The release of vasoactive substances and intracranial extracerebral blood vessel vasodilatation are probably related to stimulation of meningeal blood vessels through trigeminal afferents. Here, we report a 67 year old woman

Secondary Bacterial Infection of a Solitary Cysticercus Granuloma

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The most common presenting form of neurocysticercosis in the Indian subcontinent is a solitary cysticercus granuloma (SCG). Patients with typical SCGs almost never require any form of surgical intervention. Herein, we report an extremely rare case of bacterial superinfection of a left frontal SCG in

Neuro-ophthalmic emergencies for the neurologist.

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A variety of acute neurologic disorders present with visual signs and symptoms. In this review the authors focus on those disorders in which the clinical outcome is dependent on timely and accurate diagnosis. The first section deals with acute visual loss, specifically optic neuritis, ischemic optic

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