Fig. 2

A 2.5-year-old female patient with delayed motor and mental development. a, b Mid-sagittal and parasagittal T1-weighted and c axial T2-weighted MRI images show global severe cerebellar hypoplasia (marked reduction in size of both cerebellar hemispheres, hypoplasia of inferior cerebellar vermis with relative preservation of the superior midline vermis resulting in a characteristic “dragonfly” appearance) and small pons with flattened anterior surface (arrow). Final diagnosis: pontocerebellar hypoplasia