Optic canal
Quantitative relations between the eyeball, the optic nerve, and the optic canal important for intracranial pressure monitoring
... All the CT scans were obtained by the 256-slice CT scanner (Brilliance iCT, Philips Healthcare). We imple- mented the standard Philips protocols for head and neck imaging in all cases, single slice section 3 mm [13-15]. ...
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Case of acute optic nerve compression caused by tuberculum sellae meningioma with optic canal involvement
... but there was no improvement. The visual acuity remained at no light perception and there was no direct light reflex in the left eye. Thin sliced enhanced MRI revealed that the intracranial lesion had extended into her ...
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Evaluation of optic canal anatomy and symmetry using CT
... of optic canal asymmetry to asymmetric nerve ...larger optic canals in the eyes with smaller cup-to-disc ...the optic canal permit increased CSF flow and therefore form a ‘protective’ ...
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Outcome of endoscopic trans-ethmosphenoid optic canal decompression for indirect traumatic optic neuropathy in children
... trans-ethmosphenoid optic canal decompression (ETOCD) and followed up to 3 months after ...or optic chiasm injury, making the cranial surgery ...
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Exostosis of the optic canal in a child – a rare diagnosis in a paediatric ear, nose and throat setting: a case report
... time, optic nerve compression is a serious condition that can lead to complete loss of ...of optic nerve compression caused by bone structures developed from pathological ossification of the optic ...
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The optic neurogram: evaluation of CSF "block" caused by compressive lesions at the optic canal
... In an effort to determine prospectively the efficacy and need in such patients for surgical decompression of the optic nerve at the optic canal, a study using water-soluble contrast cist[r] ...
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Morphometric characteristics of the optic canal and the optic nerve
... The optic nerve and the optic chiasm; A. The brain with the optic chiasm (OCh) and the intracranial (ICr) segment of the optic nerve (ON); ...the optic canal, ...
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Surgical management of clinoidal meningiomas: 10 cases analysis
... Methods: A retrospective analysis was performed on 10 consecutive patients with clinoidal meningiomas who underwent surgical resection at the Bangabandhu Sheikh Mujib Medical University and other private clinics between ...
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Cranial CT of Neurofibromatosis
... Four cases sho wed enl arg ement of the optic canal cases 1 , 4, 5, and 9; case 8 demonstrated a ca lci fi ed orbital mass and case 21 confirmed th e sphenoidal dysplasia... Intra crania[r] ...
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Skull Base Penetration Due to Cervical Impalement Injury: A Case Report and Review of the Literature
... Figure 2. Plain CT scan (sagittal view (a) and coronal view (b)) of the head and neck. The reinforcing bar appeared to penetrate the neck and pass through the soft tissue in the nasopharynx and destroy the sphenoid sinus ...
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Case Report Ectopic sphenoid sinus meningioma with huge hyperostosis: a rare case report and review of literature
... Meningioma is the second-most common tu- mor in the central nervous system, accounting for 13-26% of all primary intracranial tumors [1, 2]. However, ectopic meningiomas are extreme- ly rare, comprising less than 2% of ...
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Dimensions, septation, and pattern of pneumatization of the sphenoidal sinus
... the optic canal, and the skull base to the sphenoid sinus, it is very important for surgeons to know the anatomical features and vari- ations of the sphenoid ...
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Tuberculum sellae meningiomas: A series of 41 cases; surgical and ophthalmological outcomes with proposal of a new prognostic scoring system.
... A total of 41 cases of Tuberculum sellae meningiomas underwent surgery by the senior authors (having an experience of more than 10 years) during the period from January 2004 till June 2011. All patients underwent ...
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Normal Variations of Sphenoid Sinus and the Adjacent Structures Detected in Cone Beam Computed Tomography
... Materials and Method: In this descriptive-analytic study, CBCT images of 103 pa- tients aged above 20-years were selected (206 sides). Degree of pneumatization of sphenoid sinus, pneumatization of the anterior clinoid ...
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Infraorbital groove localisation for the endoscopic decompression of the orbit in Graves’ disease
... the optic canal — ...the optic canal and the orbital rim above the infraorbital foramen measured ...infraorbital canal measured ...the optic canal — ...infraorbital ...
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Orbital Apex: Correlative Anatomic and CT Study
... Passing through the anulus of Zinn via the optic canal are the optic nerve and ophthalmic artery and via the superior orbital fissure are cranial nerves III superior and inferior branche[r] ...
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Clinical Reasoning: A 10-year-old boy with bilateral vision loss
... Dominant optic atrophy is characterized by bilat- eral vision loss that occurs at a young age, typically before age 10, which progresses slowly to a visual acu- ity between 20/100 and ...
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Fiber Optic Sensor Development On Liquid Cetirizine Detection For Pharmaceutical Industry
... fiber optic cables, they are named as the multi-mode fiber optic cable and single-mode fiber optic ...fiber optic cable is a single stand of a glass or plastic fiber where normally have a ...
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Aetiology and Treatment of Bilateral Simultaneous Optic Neuropathy in Adult: A Review Study
... Scratch optic neuritis has an excellent overall visual prognosis, and the illness is typically self-limited ...include optic neuropathy, neuroretinitis, vitreitis, focal retinitis, choroiditis, and ...
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Relationship between fracture-relevant parameters of thoracolumbar burst fractures and the reduction of intra-canal fracture fragment
... intra- canal fracture fragment was more than 75 % of the transverse diameter of the vertebral canal and the height of intra-canal fracture fragment was more than 47 % of the posterior wall height of ...
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