CIS

Question 1

Epidural

bleed

Answer 1

• unconscious —> awake —> unconscious

- lens image

Question 2

Myencephalon

Answer 2

Medulla

Question 3

Sub Dural hematoma

Answer 3

• bad head aches

- crescent shape

Question 4

How do you identify the midbrain on a scan?

Answer 4

looks like Michkey mouse –> the ears are the red nuclei and the mouth is the cerebral aqueduct

Question 5

How do you locate a lesion?

Answer 5

look for CN sings –> lesion location/side will be at the highest CN affected

Question 6

Frontal lobe syndrome

Answer 6

They don’t care

Question 7

Vertebra basilar insufficiency

Answer 7

• neck brake

- brain problems

Question 8

Sub arachnoid hematoma

Answer 8

• sudden headache onset
• neck ridigity
• kernig’s sign
• absent DTRs
• vomiting

Suddenly feeling horrible

Question 9

Alien Limb Syndrome

Answer 9

• ignore half of body

- lesion of parietal lobe in dominant hemisphere

Question 10

Kernihan’s notch

Answer 10

Cerebral peduncle pushed against tentorium cerebelli —> spastic hemiplegia on right side (side of hem)

Question 11

Pt. presents with external strabismus or the right eye, loss pf pain and temperature from his left face/body, loss of proprioception from his left body, loss of pain and resting tremor of his left limb. What is the dx and where is the lesion?

Answer 11

• Benedikt Syndrome
• Right Midbrain
• hallmark is CN 3 palsy

Question 12

How do you differentiate between CPA Syndrome and Lateral Medullary Syndrome?

Answer 12

CPA will have deafness, and LMS will have dysphagia

CPA – Pontomedullary junction – CN 6, 7, 8
LMS – Lateral Medulla – CN 9, 10

Question 13

Pt. presents with internal strabismus of the right eye, inability to completely close their right eye, inability to wrinkle forehead on the right, and paralysis of lower face muscles on the right. What is the dx and where is the lesion?

Answer 13

• Millard Gubler Syndrome
• Right Pontomedullary Junction
• CN 6 + 7 involvement

Question 14

Mesencephalon

Answer 14

Mindbrain

Question 15

Metencehalon

Answer 15

Pons and cerebellum

Question 16

Unilateral lesions of the alteral lemniscus, inferior colliculus, brachium of the IC, and MGN result in?

Answer 16

b/l diminution of hearing with a more prominent hearing loss in the contra ear

Question 17

Signs of central lesion

Answer 17

• hemp anaglesia or hemianesthesia
• spastic paralysis
• hemiplegia
• paraplegia/quad
• supranuclear facial palsy
• visual field blindness
• b/l deficits

Question 18

Wernicke/receptive Aphasia

Answer 18

• can’t comprehend spoken or written language

Question 19

In INO, where is the lesion?

Answer 19

Opposite the gaze problem

Question 20

Infarcts of internal capsule

Answer 20

• PCML on left
• ALS on left
• trigeminal on left

Right Infarct

Question 21

ACA thrombosis

Answer 21

• LE weakness