AKT1 and meningioma: Beside SMARCE1, no additional pathogenic mutations were detected (particularly none in the genes implicated in meningioma biology, including NF2, AKT1, KLF4, TRAF7, SMO, SUFU, PTCH1, BAP1, SMARCB1, PTEN, PIK3CA or TERT promoter mutations).