Opticocarotid triangle

Author: qdxc

August undefined, 2024

WebAug 1, 2024 · The first intracranial triangle was identified in 1965 by Dwight Parkinson, who described using the Parkinson or infratrochlear triangle for a direct transcavernous … WebNov 1, 2024 · An imaginary line connecting the midpoints of the limbus sphenoidale and dorsum sellae was used as a reference to normalize the measurements of BA exposure and to facilitate the clinical...

Transcranial Approach to Pituitary Adenoma - Neurosurgical Atlas

WebThe carotid triangle (or superior carotid triangle) is a portion of the anterior triangle of the neck. Coverings and boundaries. It is bounded: Posteriorly by the anterior border of the Sternocleidomastoid; Anteroinferiorly, by the … WebApr 1, 2024 · The supracarotid triangle is a flat triangle in the supracarotid space, between the initial segment of the A1 ACA, medially, and of the M1 segment of the MCA; the upper base of this triangle... chuhantechnical

Carotid triangle Radiology Reference Article

WebThe posterior communicating artery (PComA) is directed medially and is seen through the opticocarotid triangle located between the carotid artery, optic nerve, and the A1. C , Anterolateral view. The PComA is seen through the opticocarotid triangle. The M1 bifurcates into superior and inferior trunks at the limen insula. WebAbstract. Background: The opticocarotid triangle (OCT) and the carotico-oculomotor triangle (COT) are two anatomical triangles used in accessing the interpeduncular region. … WebArtistic illustration of various anatomical triangles on the right side in a pterional approach with an anterior clinoidectomy: (1) opticocarotid triangle, (2) carotid-oculomotor triangle,... chuhang technology

Carotid triangle - Wikipedia

WebJul 16, 2024 · The operative corridor can be accessed without requiring drilling of the limbus sphenoidale. 5 The interoptic triangle is an optimal approach for lesions situated between the optic nerves and... chuhak tecson pc chicagoWebThe oculomotor triangle is the triangular patch of dura through which the oculomotor nerve enters the roof of the cavernous sinus. The optic tract passes backward on the medial side of the uncus. D, Enlarged view of the … destiny derrick fatality

"WebAug 1, 2024 · Optic nerve mobilization allowed us to safely widen the opticocarotid triangle and dissect the aneurysm off the optic nerve, without the need for clinoidectomy. This alternative technique permitted, not only early decompression of the optic nerve, but also dissection of the arachnoid between the inferior surface of the optic nerve and the ... " - Opticocarotid triangle

Opticocarotid triangle

WebSep 1, 2005 · ... e opticocarotid triangle (OCT) [7] and the carotico-oculomotor triangle (COT) [16] are two common anatomical triangles employed to approach a variety of lesions in the prepontine, crural,... WebAug 1, 2024 · Optic nerve mobilization allowed us to safely widen the opticocarotid triangle and dissect the aneurysm off the optic nerve, without the need for clinoidectomy. This alternative technique permitted, not only early decompression of the optic nerve, but also dissection of the arachnoid between the inferior surface of the optic nerve and the ...

Did you know?

WebThe medial carotid membrane is exposed in the opticocarotid triangle, located between the carotid, A1, and optic nerve. B, Endoscopic view. The optic nerve has been elevated to expose the naked area along the initial segment of the supraclinoid carotid, where there is a paucity of arachnoid trabeculae. WebJan 16, 2015 · The most well-known and studied of these corridors are the supracarotid, carotidoculomotor, and optico-carotid triangles. 9, 19, 20,42 However, these triangles are mainly used to access the...

WebThe PCoA is seen departing and traveling behind the ICA posteriorly and medially. The barely visible “knuckle” of the PCoA takeoff is apparent. Note the relationship between the ICA … WebThe optic nerve could be mobilized medially to widen the opticocarotid triangle, which enhanced visualization of and access to the pituitary stalk. RESULTS By using the optic nerve mobilization technique, the tumor could be removed completely, and the pituitary stalk and its vasculature were preserved in all patients.

WebThe surgical strategy for deep CCMs involves designing a surgical approach that aligns the surgical corridor with the lesion according to the 2-point and right-angle methods and that maximizes surgical freedom (eg, by the use of gravity, short surgical corridors, and maximizing the target exposure). 1-3 The anatomic factors that determine which … WebInitial intraoperative steps include dissection via the corridor between the carotid artery and the tentorium, as well as exposing the tumor in the opticocarotid triangle, followed by tumor dissection using microsurgical techniques.

WebAug 5, 2024 · Three anatomical triangles are typically used as surgical corridors to access the BA: the opticocarotid triangle (OCT), carotid-oculomotor triangle (COT), and …

WebJul 25, 2024 · Abstract. Background: The opticocarotid triangle (OCT) and the carotico-oculomotor triangle (COT) are two anatomical triangles used in accessing the … destiny dgg merchWebThe list of abbreviations related to. OCT - Opticocarotid Triangle. CT Computed Tomography. MRI Magnetic Resonance Imaging. BP Blood Pressure. COPD Chronic Obstructive Pulmonary Disease. WFNS World Federation of Neurological Surgeons. EANS European Association of Neurosurgical Societies. destiny diamond back rougherWebThe area for the opticocarotid triangle was estimated as the sum of the areas of geometric triangles formed by points 2-3-9, 2-9-8, and 2-8-1. The carotidoculomotor triangle was … destiny discover ccpsWebOptic nerve mobilization allowed us to safely widen the opticocarotid triangle and dissect the aneurysm off the optic nerve, without the need for clinoidectomy. This alternative technique permitted, not only early decompression of the optic nerve, but also dissection of the arachnoid between the inferior surface of the optic nerve and the ... destiny diamondbackWebJul 16, 2024 · The goal of this study was to analyze the surgical exposure to different artificial lesions through interoptic (IO), trans-lamina terminalis (TLT), opticocarotid … destiny dim downloadWebThe optic nerve (II) crosses the chiasmatic cistern. • The oculomotor nerve (III) is situated in the interpeduncular cistern. • The trigeminal (V), facial (VII), vestibulocochlear (VIII), glossopharyngeal (IX), vagus (X) and accessory (XI) nerves are found in the cerebellomedullary cistern. • destiny dime trystWebPublished morphometric data supporting the microsurgical advantages of anterior clinoidectomy are scant. The goal of this study was to quantify, with direct measurements, the improved exposure of the optic nerve, internal carotid artery (ICA), and opticocarotid triangle (OCT) after extradural removal of the anterior clinoid process. METHODS: destiny diamond ring