clinoidal_triangle [Neurosurgery Wiki]

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· Borders:
1. [[Optic Nerve]]

2. [[Oculomotor Nerve]]

3. [[Tentorial Edge]]

· Contents:
1. [[Anterior Clinoid Process]]

2. Clinoidal ICA

The clinoidal triangle can be exposed via the endoscopic supraorbital extradural approach. Following a [[supraorbital craniotomy]] and the [[drill]]ing of the [[sphenoidal ridge]], the [[orbital roof]] and the greater and [[lesser sphenoid wing]]s, the floor of the [[middle cranial fossa]] can be exposed by lifting the temporal dura slightly. At this point, the [[anterior clinoid process]] can be removed to allow the clinoidal triangle to be visualized
((Komatsu F, Komatsu M, Inoue T, Tschabitscher M. Endoscopic supraorbital extradural approach to the cavernous sinus: a cadaver study. J Neurosurg. 2011 May;114(5):1331-7. doi: 10.3171/2010.10.JNS101242. Epub 2010 Dec 10. PMID: 21142751.)).