Iddo Fellow Neurosurg tut#1

Question 1

history for headaches important questions

Answer 1

What were you doing when the headache came on?

Question 2

one reason for nystagmus?

Answer 2

dysmetria for eyes, they overshoot

if one eye movement is out of sync

Question 3

cerebellar arteries?

Answer 3

AICA
PICA
SCA

Question 4

time course for malignant vs. beningn tumours?

Answer 4

malignant: shorter course

beningn tumours: longer course

Question 5

encephalitis is usually bacterial or viral?

Answer 5

viral

Question 6

ventriculitis usually means?

Answer 6

infections in a intraventricular catheter, iatrogenic

Question 7

abcess vs. empyema?

Answer 7

abcess is in a non-existing space

empyema: in an existing or potential space

Question 8

seizures occur in what part of brain?

Answer 8

cortex, NOT cerebellum/brainstem

Question 9

something white on contrast CT could be two things

Answer 9

hyperdense lesion

contrast enhancing lesion

Question 10

3 Es of radiology

Answer 10

Exam
Exact location: intra or extra axial?
Enhancement?
Effect
Evaluation

Question 11

most common tumour of cerebellum in adult?

Answer 11

hemangioblastoma

Question 12

do you get upper motor neuron signs with cerebellar lesions?

Answer 12

Nope.

Only if crowding the posterior fossa and pushing on the long tract

Question 13

what colour is fat on CT?

Answer 13

black

Question 14

what tumour mets bleed in brain?

Answer 14

choriocarcinoma
thyroid carcinoma
melaenoma
lung or breast mets