AXIN1 and meningioma: At last we would like to present our research involving MSI in human meningiomas (Pykett et al., 1994; Pećina-Šlaus et al., 2010, 2016) in which we evidenced the appearance of constant rate of MSI loci for genes DVL3, AXIN1, and CDH1 in 38% of meningiomas.