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

  Diagnosis certain
Frank Gaillard
Published 18 Nov 2009
71% complete
MRI
Case

Optic neuritis

  Diagnosis certain
Frank Gaillard
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

  Diagnosis almost certain
Frank Gaillard
Published 24 Jul 2010
65% complete
MRI
Case

Mucocoele of the anterior clinoid process

  Diagnosis certain
Hani Makky Al Salam
Published 13 Nov 2010
89% complete
CT MRI
Case

Optic nerve meningioma - calcified

  Diagnosis possible
Frank Gaillard
Published 19 Dec 2010
53% complete
CT
Case

Optic nerve glioma

  Diagnosis almost certain
Amr Farouk
Published 25 Jul 2015
74% complete
MRI
Case

Optic nerve glioma

  Diagnosis almost certain
Mostafa Elfeky
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

  Diagnosis certain
Sepehr Haghighi
Published 09 Dec 2018
92% complete
MRI
Case

Cerebral radiation necrosis and radiation induced optic neuropathy

  Diagnosis almost certain
Ammar Haouimi
Published 11 Dec 2018
80% complete
MRI
Case

Idiopathic intracranial hypertension

  Diagnosis almost certain
Ammar Haouimi
Published 17 Dec 2018
77% complete
MRI
Case

Optic nerve sheath meningioma

  Diagnosis almost certain
Mahmoud Ibrahim Mekhaimar
Published 09 Jan 2020
77% complete
CT
Case

Compression of the intracranial optic nerve by the supraclinoid internal carotid artery

  Diagnosis probable
Ammar Haouimi
Published 25 May 2021
65% complete
MRI Annotated image
Case

Optic neuritis

  Diagnosis almost certain
Ammar Haouimi
Published 05 May 2021
71% complete
MRI
Case

Graves ophthalmopathy with orbital apex crowding

  Diagnosis certain
Shervin Sharifkashani
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

  Diagnosis almost certain
Shervin Sharifkashani
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 ...

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