Neuro

Question 1

Carbon monoxide poisoning

Answer 1

T2 hyperintense globus pallidus

Question 2

Craniopharyngeoma

Answer 2

Internal calcs
Light bulb avid heterogenous enhancement

Question 3

Cruciform uptake in pons

Answer 3

MSA

Question 4

Best to assess pituitary tumour

Answer 4

Coronal

Question 5

Ependymoma

Answer 5

Peritumoural oedema

Question 6

Pituitary macroadenoma

Answer 6

T1 dark
T2 bright
Enhances less than normal pituitary

Question 7

Spinal avf

Answer 7

T6- conus medularis
Involves pial vessels
Outside on surface of cord

Question 8

Spinal avm

Answer 8

Nidus between artery and vein
Intramedullary

Question 9

Superficial siderosis

Answer 9

Late complication of sah

Sensorineural hearing loss
Ataxia
Cerebellar atrophy
Low signal t2*
Blooming

Question 10

Prusak space eroding scutum

Answer 10

Cholesteatoma

Flaccida-scutum
Tensa- ossicles

Question 11

Jugular foramen smooth widening

Answer 11

Schwannoma

Question 12

Medulloblastoma

Answer 12

Ct hyperdense
Roof of 4th ventricle

Question 13

Cryptococcus

Answer 13

Gelatinous perivascular space
No enhancement

Question 14

Toxoplasmosis

Answer 14

Low choline on spect
Ring enhancing
Involved basal ganglia and peripheral cortical white matter

Question 15

Tolosa hunt

Answer 15

Cavernous sinus inflammation
Periorbital headache and opthalmoplegia
Enhancement and high t2
Rapid response to steroids

Question 16

Pml

Answer 16

Involves u fibres
Parietal occipital
No mass effect or brain atrophy

Question 17

Hiv

Answer 17

Symmetrical
Spares u fibres

Question 18

Temporal.lobe mass

Answer 18

Ganglioglioma
Temporal lesion

Question 19

Oligodendroglioma

Answer 19

Cortical based
Calcifies
Frontal lobe usually

Question 20

Ca lung with temporal t2 changes

Answer 20

Limbic encephalitis

(Small cell - basically paraneoplastic )
Differential is HSV but titre would be negative

Question 21

Tumefactive MS

Answer 21

Large aggressive demyelinating lesions
I’ll defined ring enhancing
Little surrounding oedema

Question 22

Restricting brain lesions

Answer 22

Gbm
Medulloblastoma
Lymphoma

(Abscess restricts centrally )

Question 23

Brain Mets

Answer 23

Rim enhancing
(Old man, it’s this )

Question 24

Tb spondylitis

Answer 24

Subligamentous involvement
Lower thoracic/upper lumbar

Question 25

Inverted papilloma

Answer 25

Convoluted cerebriform pattern on T2 and T1 post con

Question 26

Mucocele

Answer 26

Rim enhancement Expansion T2 hyper

Question 27

In trigeminal neuralgia

Answer 27

3D ciss MRI (Or post contrast T1 FS)

Question 28

Pial angioma and gyriform calcification

Answer 28

Sturge weber

Question 29

Metaphyseal not crossing

Answer 29

Osteomyelitis in paeds. In young paeds before physis closes - can cross to epiphysis

Question 30

Epiphyseal lesions

Answer 30

Gct and osteoblastoma

Question 31

Posterior cingukate gyrus

Answer 31

Alzheimers

Question 32

Anterior cingulate spared

Answer 32

Lewy body

Question 33

Mesial temporal atrophy and posterior cingulate gyrus as well as precuneus

Answer 33

Alzheimers

Question 34

Temporal lobe, cystic enhancing lesion with calcifications . T1 iso and T2 hyper

Answer 34

GANGLIOMA