-  -  -  Thin Section CT scan of the temporal bone in three dimensions/canal planes
2 4 3 2 1 1 1 1
-  -  -  MRI (parenchyma, vascular, demyelination, pontocerebellar angle)
3 2 3 2 1 1 1 1
-  -  -  Vascular Imaging (intracranial and extracranial)
3 2 3 2 1 1 1 1