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5 Posts
What? Ipsilateral dilated pupils
Why? CN III compression
What? Contralateral homonymous hemianopsia
Why? Posterior cerebral artery compression
What? Ipsilateral paresis
Why? Compression of contralateral crus cerebri [Kernohan's notch], this is a false localizing sign
What? Duret hemorrhage of pons and midbrain
Why? paramedian artery rupture because of caudal displacement of the brain stem
Why? CN III compression
What? Contralateral homonymous hemianopsia
Why? Posterior cerebral artery compression
What? Ipsilateral paresis
Why? Compression of contralateral crus cerebri [Kernohan's notch], this is a false localizing sign
What? Duret hemorrhage of pons and midbrain
Why? paramedian artery rupture because of caudal displacement of the brain stem
