Fig. 4From: The clinical significance of the T2-FLAIR mismatch sign in grade II and III gliomas: a population-based studya-b: a) FLAIR sequence demonstrating a relative hypointense signal with the exception of a hyperintense peripheral rim. b) T2W sequence demonstrating homogenous hyperintensive signal with a conspicuous border. This glioma was considered to have a mismatch sign and the histopathological diagnosis was glioblastoma (i.e. astrocytoma WHO grade IV, IDH-mut)Back to article page