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Citation:
Gaillard F, Cheng J, Ibrahim D, et al. Classification system for malformations of the cerebellum. Reference article, Radiopaedia.org (Accessed on 29 Mar 2024) https://doi.org/10.53347/rID-15854
Classification systems for malformations of the cerebellum are varied and are constantly being revised as greater understanding of the underlying genetics and embryology of the disorders is uncovered. A classification proposed by Barkovich et al. in 2009 1 divides cerebellar malformations in two broad groups; those with cerebellar hypoplasia and; those with cerebellar dysplasia.
cerebellar hypoplasia : reduced cerebellar volume 2
focal hypoplasia
isolated vermis
one hemisphere hypoplasia
generalized hypoplasia
with enlarged fourth ventricle
normal fourth ventricle
with normal pons
with small pons
cerebellar dysplasia: abnormal cerebellar foliation, fissuration, and architecture of the cerebellar white matter 2
focal dysplasia
isolated vermian dysplasia
isolated hemispheric dysplasia
generalized dysplasia
congenital muscular dystrophies
cytomegalovirus
lissencephaly with RELN mutation
lissencephaly with agenesis of corpus callosum and cerebellar dysplasia
associated with diffuse cerebral polymicrogyria
diffusely abnormal foliation
See also
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