Results 11 to 20 of about 553,104 (200)

ECHOGRAPHIC PICTURE OF OPTIC NERVE GLIOMA IN NEUROFIBROMATOSIS TYPE-1 [PDF]

open access: yesZdravniški Vestnik, 2002
Background. Authors want to present echographic picture of orbital part of low-grade pilocytic astrocytoma involving the optic nerve and/or chiasm and optic tract (optic pathway glioma or visual pathway glioma).Methods.
Biljana Kuzmanović   +3 more
doaj   +1 more source

Malignant optic glioma masked by suspected optic neuritis and central retinal vein occlusion

open access: yesRadiology Case Reports, 2019
Malignant optic glioma presents a clinical and diagnostic challenge, as early imaging findings overlap with other more common causes of optic nerve enhancement and enlargement, potentially leading to delay in diagnosis.
Aleksandrs Kalnins, MD, MBA   +5 more
doaj   +1 more source

Recurrent Optic Nerve Pilocytic Astrocytoma: A Rare Case [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2017
Pilocytic astrocytoma is a low grade glioma that affects mostly children and young adults and can occur anywhere in the central nervous system. Pilocytic astrocytoma of the optic nerve is an equally indolent subtype that is often associated with ...
SUDHA GIRISH MENON   +3 more
doaj   +1 more source

Atypical clinical presentation and long-term survival in a patient with optic nerve medulloepithelioma: a case report

open access: yesJournal of Medical Case Reports, 2012
Introduction Medulloepithelioma is a rare congenital tumor of the primitive medullary neuroepithelium. A significant proportion of patients with medulloepithelioma arising from the optic nerve die from intracranial spread or cerebral metastasis.
Pastora-Salvador Natalia   +6 more
doaj   +1 more source

Acute post-partum vision loss due to pilocytic astrocytoma

open access: yesAmerican Journal of Ophthalmology Case Reports, 2020
Purpose: We report an unusual case of a thirty-three-year-old woman who presented with acute unilateral vision loss following pregnancy and was ultimately discovered to have a pilocytic astrocytoma of the optic nerve.
Natalie A. Homer   +5 more
doaj   +1 more source

C6 Cell Injection into the Optic Nerve of Long-Evans Rats: A Short-Term Model of Optic Pathway Gliomas

open access: yesCell Transplantation, 2020
The optic pathway glioma (OPG) is a slow-growing brain tumor that arises along the optic nerve or its downstream connections and causing vision to gradually worsen with time.
Deepti Singh   +4 more
doaj   +1 more source

Glioblastoma multiforme mimicking optic neuritis

open access: yesAmerican Journal of Ophthalmology Case Reports, 2020
Purpose: To present a case of glioblastoma multiforme which initially presented with only ophthalmic manifestations. Observations: A 48-year-old man presented with decreased vision and pain with eye movements of the right eye.
Meera S. Ramakrishnan   +2 more
doaj   +1 more source

A rare case of large bilateral optic nerve glioma in a child without neurofibromatosis type 1

open access: yesKerala Journal of Ophthalmology, 2016
We report a rare case of atypical large bilateral malignant optic nerve glioma in a child with no clinical evidence of neurofibromatosis.
Virna M Shah, Sukumar Sharanya
doaj   +1 more source

TGF-beta(2)- and H2O2-Induced Biological Changes in Optic Nerve Head Astrocytes Are Reduced by the Antioxidant Alpha-Lipoic Acid [PDF]

open access: yes, 2012
Background/Aims: The goal of the present study was to determine whether transforming growth factor-beta(2) (TGF-beta(2))- and oxidative stress-induced cellular changes in cultured human optic nerve head (ONH) astrocytes could be reduced by pretreatment ...
Yu, Alice L.   +2 more
core   +1 more source

Simplifying the diagnosis of optic tract lesions

open access: yesFrontiers in Medicine, 2022
Optic tract lesions (OTL) are often difficult to diagnose. We suggest an algorithm to simplify the often-challenging diagnosis of OTL. Clinical and imaging data were retrospectively collected from the electronic files of 6 patients diagnosed with OTL at ...
Noa Cohen-Sinai   +7 more
doaj   +1 more source

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