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Results 1 - 1 of 1 for Posterior fossa cyst at the fourth ventricle
  1. Dandy-Walker malformation 
    ... cavity between the brainstem and the cerebellum (the fourth ventricle) and the part of the skull that contains the cerebellum and the brainstem (the posterior fossa) are abnormally large. These abnormalities often result in ...
    https://medlineplus.gov/genetics/condition/dandy-walker-malformation - Genetics