| Weber Syndrome This syndrome is due to damage to the structures at the base of the midbrain including the third cranial nerve and the corticospinal and corticobulbar fibers in the cerebral peduncle. It is characterized by complete 3rd nerve palsy and associated with contralateral hemipelagia. Common causes of this syndrome are aneurysm in the posterior parts of the Circle of Willis, tumor, and occlusion in vessels supplying the anterior midbrain. |
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