Syndromes Of Vertebrobasilar System

Question 1

What arteries are occluded in Wallenberg syndrome

Answer 1

Vertebral arteries, PICA, superior lateral medullary artery, middle lateral medullary artery,inferior lateral medullary artery

Question 2

What part of brain stem is supplied by basilar artery vs vertebral artery?

Answer 2

Basilar artery = midbrain and pons

Vertebral artery = medulla

Question 3

What nerve is affected in weber syndrome

Answer 3

Ipsilateral CN 3

Question 4

What is affected in benedikt syndrome

Answer 4

Red nucleus/tegmentum of midbrain

Question 5

Muscle changes in wallenberg syndrome

Answer 5

No weakness

Question 6

Symptoms of benedikt syndrome

Answer 6

Ipsilateral CN 3 palsy with mydriasis, contralateral hypesthesia due to damage of medial lemniscus, contralateral hyperkinesis due to damage of red nucleus.

Question 7

What part of the brain is spared in locked in syndrome

Answer 7

Reticular activating system

Question 8

What part of the brain is affected in locked in syndrome

Answer 8

Ventral pons

Question 9

Symptoms of basilar artery occlusion

Answer 9

Internuclear ophthalmoplegia, conjugate horizontal gaze palsy, ocular bobbing

Question 10

What artery is involved in medial medullary syndrome

Answer 10

Vertebral artery or anterior spinal artery

Question 11

What CN is affected in millard gubler syndrome

Answer 11

Ipsilateral CN6 and CN7

Question 12

What artery is affected in benedikt syndrome

Answer 12

Basilar or posterior cerebral artery

Question 13

Symptoms of millard-gubler syndrome

Answer 13

Contralateral hemiplegia, analgesia, contralateral hypoesthesia, ipsilateral CN 6 and 7 palsy

Question 14

What artery is involved in locked in syndrome

Answer 14

Basilar artery

Question 15

Signs and symptoms of wallenberg

Answer 15

Ipsilateral horners, decrease in pain and temperature of face, ataxia.
Contralateral decrease in pain and temperature of body.
Dysphasia, dysarthria, vertigo, hiccups, nystagmus.

Question 16

Raymond-foville syndrome

Answer 16

Millard-gubler syndrome with extension to medial lemniscus with gaze palsy to side of lesion

Question 17

What artery is affected in weber syndrome

Answer 17

PCA or posterior choroidal artery

Question 18

Symptoms of medial medullary syndrome

Answer 18

Ipsilateral hypoglossal palsy, contralateral hemiplegia, contralateral sensory loss and loss of proprioception and position

Question 19

Symptoms of weber syndrome

Answer 19

Ipsilateral CN 3 palsy, Contralateral hemiplegia, contralateral Parkinson’s, contralateral dystaxia

Question 20

What parts of the brain stem are affected in each brainstem syndrome

Answer 20

1. Weber syndrome - midbrain
2. Millard-gubler syndrome - pons
3. Middle medullary syndrome - medulla

Question 21

CN of midbrain, pons, medulla

Answer 21

Midbrain = 1,2,3,4
Pons = 5,6,7,8
Medulla = 9,10,11,12

Question 22

Syndromes of paramedian brain stem

Answer 22

1. Weber syndrome
2. Millard gubler syndrome
3. Medial medullary syndrome

Question 23

What artery is affected in millard gubler syndrome

Answer 23

Basilar artery

Question 24

What CN is affected in Medial medullary syndrome

Answer 24

CN 12

Question 25

Which CN is affected in Benedikt syndrome

Answer 25

CN 3