Chiari II Malformation

  • Etiology: abnormality of dorsal induction -> small posterior fossa -> inferior displacement of cerebellum, brainstem, slit like 4th ventricle
  • Imaging: Lacunar skull, cervicomedullary kink, tectal beaking, large massa intermedia, fenestrated falx, colpocephaly, 100% have lumbar meningomyelocele

Cases of Chiari II Malformation