Research Article

Extended Endoscopic Endonasal Approaches for Cerebral Aneurysms: Anatomical, Virtual Reality and Morphometric Study

Table 1

List of 4 patients with different intracranial aneurysms selected for the virtual reality three-dimensional stereoscopic study.

PatientAneurysm locationDirectionFormLL (mm)AP (mm)

1AcomADownwardSaccular 7.857.46
2Carotid-ophthalmic junctionAnterior, medial, downwardSaccular7.365.38
3Basilar tipUpwardSaccular5.426.83
4VA-PICA junctionUpward, anteriorSaccular1.21.2

AcomA: anterior communicating artery; VA-PICA: vertebral artery-posterior inferior cerebellar artery; LL: laterolateral diameter of the aneurysm; AP: anteroposterior diameter of the aneurysm.