Endoscopic Transorbital and Retrosigmoid Approaches to the Pre-meatal and Ambient Area: An Anatomical and Quantitative Comparative Study with Surgical Applications. - Serioli S; Porto E; Barucco M; Di Girolami L; Benini ME; Picariello M; Zini L; Cianchi I; Verstegen MJ; Kleijwegt MC; van Furth WR; Peris-Celda M; et al. (World neurosurgery, 2026)