2016.03.16 csf pathway abnormalities
Post on 16-Jan-2017
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CSF PathwayObstruction & Clinical correlates
Integrated Teaching session for 1st MBBSDepartment of Neurosurgery
MGMCRI
CSF pathway Lateral ventricles,Third Ventricle, Fourth Ventricle
CSF pathway – FormationCSF pathway Formation: Choroid plexus
• Lateral ventricles
• Third ventricle• Fourth
ventricle
CSF pathway Formation: Choroid plexus
CSF pathway Formation: Choroid plexus
CSF production is an active process – ATP is spent
CSF pathway Lateral ventricles-> Third Ventricle
CSF pathwayCSF pathway Fourth Ventricle -> Subarachnoid space
CSF pathwaySpinal Subarachnoid space
CSF pathwayCSF pathwayCSF resorption: Arachnoid granulations
CSF pathwayCSF resorption: Arachnoid granulations
CSF pathwayMonro-Kelly Doctrine
Normal ICP: 5-15 mm Hg
Raised ICP: > 20 mm Hg
CSF pathwayHydrocephalus
MRI of normal ventricles MRI of dilated ventricles
CSF pathwayHydrocephalus - Adult
HeadacheVomitingAltered sensoriumDiplopia
CSF pathwayHydrocephalus - Child
MacrocephalyPersistent AF – BulgingSun setting sign
HydrocephalusTreatment – Ventriculoperitoneal shunt
HydrocephalusTreatment – Endoscopic Third Ventriculostomy
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