Target Areas 4th Ventricle (Figs. 131 to 138)
The location of the origin of the lesions may be the roof of the ventricle (Nodulus vermis/Velum medullare post.), or the floor of the ventricle. Modern CT/MRI does not always enable a differentiation as to whether the lesion originate from the roof of the ventricle or from its floor.
KeywordsTarget Area Medulla Oblongata Middle Cerebellar Peduncle Caudal Direction Inferior Cerebellar Peduncle
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