Regarding Weber syndrome all are true EXCEPT
Weber Syndrome - involves damage to ventromedial brainstem (Posterior Cerebral Aery supplies this area) FEATURE : Oculomotor N. injury : Ipsilateral LMN oculomotor paralysis (down & out gaze) with wide fixed pupils Pyramidal system: Contralateral facial & hypoglossal paralysis ( coiconuclear & coicospinal tracts) C/L spastic hemiplegia Substantia nigra : Contralateral parkinsonism (rigidity, tremor)
Involvement of dorsal midbrain
Contralateral hemiplegia
Ipsilateral occulomotor palsy
Contralateral parkinsonism
Brainstem lesions and blood supply of CNS