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a Axial T2-weighted brain MR image in 16-year-old child with open spinal dysraphism. The image clearly shows that the cerebellar hemispheres are wrapped around the brainstem (small white arrows); b axial T2-weighted brain MR image in 12-year-old child with open spinal dysraphism. In this image, it is questionable whether the cerebellar hemispheres are wrapped around the brainstem (small white arrows). Also note the small fourth ventricle (large white arrow)
