Many.: Dany-walker cyst, chiari ii malformation, arachnoid cysts, vein of galen aneurysm, inferior vermian hypoplasia, cerebellar hypoplasia and ependymal tumors can all present in the posterior brain fossa of fetuses or children.
Answered 6/18/2013
5.7k views
Several: Include absence of cerebellum, small cerebellum called cerebellum hypo plasma, midline hypoplasia, congenital tumors
Answered 4/10/2015
3k views
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