The Chiari IV malformation is a very rare condition which is characterized by severe cerebellar hypoplasia or aplasia. Morphologic findings include aplastic or severely hypoplastic cerebellum, small brainstem and relatively large cerebrospinal fluid s...
The Chiari IV malformation is a very rare condition which is characterized by severe cerebellar hypoplasia or aplasia. Morphologic findings include aplastic or severely hypoplastic cerebellum, small brainstem and relatively large cerebrospinal fluid space in the posterior cranial fossa. We recently experienced Chiari IV malformation and report radiologic findings of the case.