Revise Radiology Neuro 2 Flashcards
McDonald MS criteria requires
Evidence of dissemination in time and space
Medulloblastomas rarely…
Calcify (20%)
Symptomatic non-enhancing IV mass
Subependymoma –> Resect
Cocaine causes
Toxic leukoencephalopathy
Histology of Adamantinomatous Craniopharyngioma
Basaloid Cells with Palisaded Epithelium
DVA, popcorn blooming on SWI
Cavernous malformation
Lenticostriate territory supplied by
MCA M1
Diffuse brain atrophy with rim of FLAIR around ventricles
Normal ageing
?Neurosarcoid Ix
CXR
Grey matter heterotopias associated with
Corpus callosum agenesis
Encephalitis with basal ganglia and thalamic involvement
West Nile Virus
Subfalcine herniation causes
ACA infarct –> leg weakness
Spinal tumour after medulloblastoma treatment
PNET (secondary from medulloblastoma)
Most appropriate initial Ix for ?vasospasm
CT Angio
Megalencephaly associations
Achondroplasia,
Beckwith-Wiedermann,
NF2,
Tuberous Sclerosis,
Epidermal Naevus Syndrome,
Klippel-Trennaunay-Weber
Longitudinally extensive transverse myelitis & Optic Neuritis
NMO
TB Meningitis (MRI)
Enhancement in sylvian fissures
Mastoiditis can progress to
Epidural Abscess
Elevated Choline signal in T2 surrounding lesion
GBM
Previous measles, cognitive decline and visual disturbance
SSPE (Subacute Sclerosing Pan Encephalitis)
Choroid plexus carcinoma vs papilloma Ix
Histology
Carbon Monoxide poisoning affects
Globus Pallidus
Sella mass with “Snowman” growth pattern
Pituitary Macroadenoma
PMSAH prognosis
Usually complete recovery with no recurrence
Criteria used to diagnose CAA
Boston
Histology of pineoblastoma/pineocytoma
Rosettes and Pseudorosettes
Encephalitis of dorsal pons, midbrain, medulla and dentate nuclei
Enterovirus 71 (Picornavirus)
