P14.36 Characterising Meningiomas in young patients under 40. - Attia, M; Mirkin, Y; Hershkovitch, R; Cohen, Z R; Zibly, Z; Zauberman, J; Wohl, A; Harnof, S; Spiegelmann, R; Hadani, M; Furman, O; Zach, L (Neuro-oncology, 2021)