Brain Stem Blood Supply Lesions
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ASA Pyramid (corticobulbar)- contra spastic weakness Medial lemniscus- contra vibration, proprioception, 2 pt Hypoglossal nucleus- ipsilateral flaccid paralysis, lick your lesions PICA- Walldenburg paramedial branches of Basilar art.
description
kaplan lesions
Transcript of Brain Stem Blood Supply Lesions
ASAPyramid(corticobulbar)-contraspasticweaknessMediallemniscus-contravibration,proprioception,2ptHypoglossalnucleus-ipsilateralflaccidparalysis,lickyourlesions
PICA-Walldenburg
paramedialbranchesofBasilarart.
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spinothalamic- contralateral loss of pain and temp as well as horner's CN 9 and 10(nucleus ambiguous) - dyspgasia, horsness, etc. spinal trigeminal tract- ipsilateral loss of pain and temp of skin of the face. inferior cerebellar peduncle may be involved.
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medial lemnisucs- contralateral loss of vibration, 2pt discrimination and proprio. spinothalamic tract - contralateral loss of pain and temp CN 6- medial stabismus
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AICA
PCAbranches
Pinealglandtumor
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spinothalamic ipsilateral horners CN 5- ipsilateral loss of pain/ temp in face CN 7 and 8- facial muscle weakness (bells) and vestibular/cochlear nerve
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corticospinal- contralateral spastic weakness CN 3- occulomotor - ptosis, dilated pupil, external stabismus corticobulbar- contralateral weakness of lower face
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not vascular- - weakness of vertical conjugate gaze - elevated ICP and non communicating hydrocephalus is it reached the cerebral aquiduct
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