Other common driver mutations in our cohort such as CDKN2A, ARID1A, BRCA1, NF1, AKT1, SMO, PIK3CA (see Figure 1 and Supplementary Figure 1) have similarly been noted in various prior sequencing studies of meningiomas [13, 16, 17, 22–26]. Here, AKT1 is linked to meningioma.