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13 maj 2024 · Procedure. A broad outline of steps followed in performing a pterional craniotomy includes 7: induction and general anesthesia; supine positioning
1 kwi 2007 · The key steps of the pterional approach are positioning, skin incision, interfascial dissection, craniotomy, drilling of the sphenoid wing, and the dural opening.
The extended pterional craniotomy must be tailored to the specific underlying pathology. The following steps describe the general principles of this approach, whereas the other relevant chapters review tailored exposures and intradural dissection via this route.
1 wrz 2012 · The key steps of the pterional approach are positioning, skin incision, interfascial dissection, craniotomy, drilling of the sphenoid wing, and the dural opening.
10 kwi 2024 · A standard pterional craniotomy (PT) is instead preferred for ruptured aneurysms to widen the access to the basal cisterns via subfrontal lobe, drain the cerebrospinal fluid (CSF), and obtain, as a first step, the proximal control on the ipsilateral ICA and M1 origin.
1 sty 2020 · The frontotemporal, also called pterional, approach is one of the most commonly used approaches by neurosurgeons to access the sphenoid wing, suprasellar and sellar regions, cavernous sinus, and upper clivus. This approach is indicated in: • Aneurysms clipping the anterior and posterior circulation (upper basilar and its proximal branches) •
The extended pterional approach is defined as a standard pterional craniotomy supplemented and expanded by osteotomy along the lateral sphenoid wing to the level of the superior orbital fissure, and; drilling along the roof of the orbit to flatten its surface and expand the subfrontal trajectory.
