Lesions <*> were observed in the brainstem , cerebellum and spinal cord .
all pigs <*> showed a similar distribution of CNS lesions .
Lesions consisting of perivascular cuffing of mononuclear cells , focal gliosis , neuronal necrosis and neuronophagia were observed in the brainstem , cerebellum and spinal cord .
Regardless of the route of inoculation , all pigs infected experimentally with PTV showed a similar distribution of CNS lesions .