Web(2) The optic canal, the superior orbital fissure and the inferior orbital fissure were respectively shown as track, crack and gorge type in CT axial pictures, while in the coronal … WebType2opticnerve.CoronalCT scan with bilateral optic nerves (arrows) penetrating the contour of the sphenoidal sinus.Thereisanabsenceofbonedensity alongthemedialborderoftheopticcanal (dehiscence). Fig 3. Type 3 optic nerve. Axial (A) and coronal (B) CT scans reveal bilaterally …
Morphometric characteristics of the optic canal and the optic nerve
WebResults: 200 optic nerve canals were assessed and grouped into four types based on the modification of Delano et al., classification. The most common OCN was Type-1 (60%), … WebJan 16, 2024 · Purpose To present the anatomical variations of vidian canal (VC) and sphenoid sinus (SS), relative to other anatomical landmarks of skull base area, which may be helpful for safer surgical approach to this area. Materials MDCT scans (128-row MDCT system) of 90 patients (mean age 62 years) and six cadaveric heads were studied, and the … portable fellowship hall
Direct and CT measurements of canals and foramina of the skull ... - PubMed
WebComputer tomographical (CT) and anatomical measurements were compared to assess the accuracy of the CT representation of osseous structures. Nine structures were examined: the optic canal; the superior orbital fissure; the foramen rotundum; the foramen ovale; the foramen spinosum; the foramen Vesalii (venosum); the carotid canal; the internal ... WebMay 20, 2024 · The elements we follow in the preoperative sphenoid CT exam are the optic nerve, the internal carotid artery, the maxillary nerve and the vidian nerve (figure 5). Figure … WebMay 24, 2016 · Twenty-eight cases (28%) had type I vidian canal, 48% and 24% had type II and III vidian canals, respectively. Four patients (4%) had type I rotundum foramen, 28% and 44% had type IIa and IIb, respectively and 24% had type III rotundum foramen. irrversible youssoupha lyrics