Revise Radiology Neuro 3

Question 1

Mets v Meningioma

Answer 1

Mets cause osteolytic changes, meningioma causes remodelling

Question 2

Dilated intradural veins suggests

Answer 2

Spinal AVF

Question 3

Thalamus, brainstem and spinal cord lesions

Answer 3

Zika

Question 4

H&N findings in Tuberous sclerosis

Answer 4

SEGA,
Subcortical tubers,
Retinal phakomas,
cerebral aneurysms,
cortical atrophy and infarcts

Question 5

Eye of the Tiger

Answer 5

Hallewarden-Spatz (Pantothenate Kinase Associated Neurodegeneration)

Question 6

Dependent High T1 in ventricles

Answer 6

Hemorrhage

Question 7

Frontal lobe changes, periventricular white matter enhancement

Answer 7

Alexander disease

Question 8

Pinpoint pupils & irregular respiration, delayed presentation

Answer 8

Central herniation

Question 9

Small head, high density in thalamus, caudate and deep white matter

Answer 9

Krabbe disease

Question 10

Enlarged periventricular spaces & beaked inferior L1

Answer 10

Hurlers

Question 11

Gradingsystem for spinal AVM

Answer 11

Spetzler-Martin

Question 12

Chiari II associated with

Answer 12

Open spinal dysraphism, e.g. myelomeningocele in 95%

Question 13

Syndrome associated with RCC mets to dura

Answer 13

VHL

Question 14

Bilateral thalamic and midbrain infarcts

Answer 14

Artery of Perchron infarct

Question 15

Rapid neurological decline, viral, trilaminar diffusion restriction in thalamus

Answer 15

Acute Necrotising Encephalopathy

Question 16

Fetal connection between cavernous ICA and basilar artery

Answer 16

Persistent Trigeminal Artery

Question 17

Colloid cyst with acute hydrocephalus Rx

Answer 17

Endoscopic fenestration

Question 18

Carbon monoxide method of action

Answer 18

Interfering with mitochondrial oxidative phosphorylation

Question 19

MRI perfusion findings in Alzheimers

Answer 19

Reduced cerebral blood flow

Question 20

Low grade dural AVF Rx

Answer 20

Observation

Question 21

Spinal meningiomas rarely

Answer 21

Involve multiple vertebral levels

Question 22

Subependymal nodular grey matter

Answer 22

Subependymal grey matter heterotopia

Question 23

Large cystic tumour involving superficial cerebral cortex and leptomeninges

Answer 23

Desmoplastic Infantile Ganglioglioma

Question 24

High density in basal cisterns, round brainstem, SPARING sylvian fissures and ventricles

Answer 24

Perimesencephalic SAH

Question 25

Ependymoma Histology

Answer 25

Perivascular pseudorosettes

Question 26

Fluid-fluid level in sellar lesion

Answer 26

Pituitary adenoma