Fig. 2From: Intrafamilial phenotypic variation in spinocerebellar ataxia type 23Brain MRI. (a–d): Patient II-1 in Family 1 had mild atrophy of the cerebellar hemisphere and vermis. A hyperintense lateral putamen rim (arrows) was seen. (e–h): Patient II-1 in Family 2 had moderate atrophy of the cerebellar hemisphere and vermis. No brainstem atrophy, hot cross bun sign, or atrophy/hyperintensities in the middle cerebellar peduncles was observed in either patientBack to article page