Central Nervous System Flashcards
Medial temporal lobe compress against III and PCA
Hemorrhagic lesions in midbrain and pons
Contralateral cerebral peduncle compression causing ipsilateral hemiparesis
Duret hemorrhages
Kernohan’s notch
Transtentorial herniation
Cerebral hemisphere displaces cingulate gyrus under falx cerebri
ACA
Subfalcine cingulate herniation
Displacement of cerebellar tonsils through foramen magnum
Brainstem compression
Tonsillar herniation
Hypoplasia of cerebellar vermis
Dilated fourth ventricle
Dandy Walker malformation
Downward extension of cerebellar vermis
Arnold Chiari
Chiari II
Low lying cerebellar tonsils
Chiari I
Multiple cavities traversed by a web of delicate glial strands
Multicystic encephalopathy
Suprarentorial chalky yellow plaques
Perventricular white matter infarct
Periventricular leukomalacia
Coup injuries
Contre coup injuries
Site of impact
Opposite
Depressed retracted yellowish brown patches involving crests of gyri
Plaque jaune
Old traumatic lesions
Middle meningeal artery
Lenticular shaped lesion
Lucid interval
Epidural hematoma
Bridging veins
Crescent shaped lesion
Delayed with fluctuations
Subdural hematoma
Acute subdural membranes
Chronic alcoholic repeat bleeding
Watershed infarcts
Selective vulnerabilities
Microvacuolation and eosinophilia
Uneven destruction of neocortex
Red neuron
Pseudolaminar necrosis
Global cerebral ischemia
Lakelike spaces at lenticular nuclei
Lacunar infarcts
Preferential involvement of large areas of the subcortical white matter with myelin and axon loss
Binswager syndrome
Charcot Bouchard microaneurysms in basal ganglia
MCC
2nd MCC
Hypertension
Cerebral amyloid angiopathy
Intraparenchymal hemorrhage
MC site of intraparenchymal hemorrhage
Putamen
MC type of intracranial aneurysms
Sites
Saccular
ACA-A com
MCA-P com
MCA
Worst headache
Yellowish CSF
Intracranial aneurysm
Exudates within leptomeninges
Basal
Sagittal sinus
H influenzae
Pneumococcal