Anatomical insights into the peri-trigeminal zone via transorbital, transclival, and retrosigmoid routes: a comparative cadaveric study with surgical implications. - Vernile B; Di Costanzo M; Mosteiro A; Codes M; Cabrera G; Apolinar A; Sala F; Masotto B; Enseñat J; Di Somma A; Galino AP (Acta neurochirurgica, 2026)