Items tagged “optic nerve”
21 results found
Article
Optic pathway glioma
Optic pathway gliomas are relatively uncommon tumors, with a variable clinical course and usually seen in the setting of neurofibromatosis type I (NF1). Histologically the majority are pilocytic astrocytomas.
They are characterized by imaging by an enlarged optic nerve seen either on CT or MRI....
Case
Optic pathway glioma - NF1
Published
18 Nov 2009
71% complete
MRI
Case
Optic neuritis
Published
08 Mar 2010
71% complete
CT
MRI
Article
Optic nerve sheath meningioma
Optic nerve meningiomas are benign tumors arising from the arachnoid cap cells of the optic nerve sheath and represent ~20% of all orbital meningiomas, the majority of which are direct extensions from intracranial meningiomas.
These tumors typically appear as masses within the optic nerve, iso...
Case
Optic nerve sheath meningioma
Published
24 Jul 2010
65% complete
MRI
Case
Mucocoele of the anterior clinoid process
Published
13 Nov 2010
89% complete
CT
MRI
Case
Optic nerve meningioma - calcified
Published
19 Dec 2010
53% complete
CT
Case
Optic nerve glioma
Published
25 Jul 2015
74% complete
MRI
Case
Optic nerve glioma
Published
07 Jul 2017
77% complete
MRI
Article
Optic nerve sheath diameter
Optic nerve sheath diameter has significance in the assessment of papilledema in cases of elevated intracranial pressure.
Pathology
The optic nerve sheath demonstrates changes in diameter with CSF pressure changes as there is a layer of subarachnoid space between the nerve and its sheath, whic...
Case
Neurofibromatosis type 1 - with optic glioma
Published
09 Dec 2018
92% complete
MRI
Case
Cerebral radiation necrosis and radiation induced optic neuropathy
Published
11 Dec 2018
80% complete
MRI
Case
Idiopathic intracranial hypertension
Published
17 Dec 2018
77% complete
MRI
Case
Optic nerve sheath meningioma
Published
09 Jan 2020
77% complete
CT
Case
Compression of the intracranial optic nerve by the supraclinoid internal carotid artery
Published
25 May 2021
65% complete
MRI
Annotated image
Case
Optic neuritis
Published
05 May 2021
71% complete
MRI
Case
Graves ophthalmopathy with orbital apex crowding
Published
26 Mar 2022
98% complete
CT
Article
Orbital apex syndrome
Orbital apex syndrome, also known as Jacod syndrome, is a constellation of clinical findings, presenting as a result of several potential pathologies that compress or otherwise affect structures passing through the orbital apex.
Clinical presentation
Presentation is according to the structures...
Case
Optic nerve sheath meningioma
Published
09 May 2022
83% complete
CT
Article
Saturday night retinopathy
Saturday night retinopathy is an acute ischemic retinopathy, choroidopathy, and orbitopathy secondary to prolonged ocular pressure during a drug-induced stupor.
Epidemiology
While monocular blindness as a complication of prolonged headrest use in prone neurosurgical procedures has been widely ...