Christian Kißler, Christin Schwenk, Jörg-Tobias Kuhn
Two Dyscalculia Subtypes With Similar, Low Comorbidity Profiles: A Mixture Model Analysis
Frontiers in psychology
primary angiitis central nervous system pacns rare vasculitis restricted brain spinal cord leptomeninges study aimed describe imaging characteristics patients small vessel pacns svpacns using 7 magnetic resonance imaging mri ongoing prospective observational cohort study included patients met calabrese mallek criteria underwent 7 mri scan mri protocol includes t1weighted magnetizationprepared rapid gradient echo imaging t2 star weighted imaging susceptibilityweighted imaging two experienced readers independently reviewed neuroimages clinical data extracted electronic patient records findings applied cohort patients large vessel central nervous system cns vasculitis included 21 patients svpacns december 2021 november 2023 12 5714 cerebral cortical microhemorrhages atrophy pattern microhemorrhages described detail based gradient echo sequence leading identification termed corallike sign onset age patients corallike sign 3383 993 years appeared younger patients without corallike sign 4211 1418 years p 0131 furthermore cerebral lesions patients cortical microhemorrhagic svpacns showed greater propensity toward bilateral lesions p 003 corallike sign observed patients large vessel cns vasculitis key characteristics corallike sign represent cerebral cortical diffuse microhemorrhages atrophy may important mri pattern svpacns ann neurol 2024