VP26.11: An interesting case of a prenatally diagnosed Vein of Galen aneurysm. Issue Volume 58:Issue S1(2021)Supplement (14th October 2021) - Mchirgui, O.; Mraihi, F.; Ahmed, H. Ben; Basly, J.; Zargouni, O.; Nadia, H.; Cheour, M.; Chelli, D.