Revise Radiology Neuro 3 Flashcards
Mets v Meningioma
Mets cause osteolytic changes, meningioma causes remodelling
Dilated intradural veins suggests
Spinal AVF
Thalamus, brainstem and spinal cord lesions
Zika
H&N findings in Tuberous sclerosis
SEGA,
Subcortical tubers,
Retinal phakomas,
cerebral aneurysms,
cortical atrophy and infarcts
Eye of the Tiger
Hallewarden-Spatz (Pantothenate Kinase Associated Neurodegeneration)
Dependent High T1 in ventricles
Hemorrhage
Frontal lobe changes, periventricular white matter enhancement
Alexander disease
Pinpoint pupils & irregular respiration, delayed presentation
Central herniation
Small head, high density in thalamus, caudate and deep white matter
Krabbe disease
Enlarged periventricular spaces & beaked inferior L1
Hurlers
Gradingsystem for spinal AVM
Spetzler-Martin
Chiari II associated with
Open spinal dysraphism, e.g. myelomeningocele in 95%
Syndrome associated with RCC mets to dura
VHL
Bilateral thalamic and midbrain infarcts
Artery of Perchron infarct
Rapid neurological decline, viral, trilaminar diffusion restriction in thalamus
Acute Necrotising Encephalopathy
Fetal connection between cavernous ICA and basilar artery
Persistent Trigeminal Artery
Colloid cyst with acute hydrocephalus Rx
Endoscopic fenestration
Carbon monoxide method of action
Interfering with mitochondrial oxidative phosphorylation
MRI perfusion findings in Alzheimers
Reduced cerebral blood flow
Low grade dural AVF Rx
Observation
Spinal meningiomas rarely
Involve multiple vertebral levels
Subependymal nodular grey matter
Subependymal grey matter heterotopia
Large cystic tumour involving superficial cerebral cortex and leptomeninges
Desmoplastic Infantile Ganglioglioma
High density in basal cisterns, round brainstem, SPARING sylvian fissures and ventricles
Perimesencephalic SAH
Ependymoma Histology
Perivascular pseudorosettes
Fluid-fluid level in sellar lesion
Pituitary adenoma
