Congenital cavities of the posterior fossa.
D000328:Adult; D002526:Cerebellar Diseases / Q000473:pathology*; D002675:Child, Preschool; D003388:Cranial Fossa, Posterior / Q000002:abnormalities; D003560:Cysts / Q000473:pathology*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000473:pathology; D008297:Male; D008875:Middle Aged; D012886:Skull / Q000002:abnormalities*