medulloblastomas , originating from cells of the internal granular layer of the cerebellum , developed in syrian golden hamsters 3 -- 6 months after inoculation at birth intracerebrally and sc with jc virus , a papovavirus isolated originally from a human case of the demyelinating disease progressive multifocal leukoencephalopathy .
C0011303
demyelinating disease
C0023524
progressive multifocal