Vertical pons hyperintensity and hot cross bun sign in cerebellar-type multiple system atrophy and spinocerebellar ataxia type 3.
Atsuhiko SugiyamaHajime YokotaYoshitaka YamanakaHiroki MukaiTatsuya YamamotoShigeki HiranoKyosuke KoideShoichi ItoSatoshi KuwabaraPublished in: BMC neurology (2020)
HCB is a highly sensitive finding for MSA-C, even in the early stages of the disease. A grade 2 HCB in the early stage is an extremely specific finding for differentiating MSA-C from SCA-3.