brain stem and cerebellar strokes

Question 1

internal capsule

Answer 1

lacunar stroke
contralateral UE+LE

Question 2

midbrain lesion

Answer 2

contralateral hemiplegia
contralateral CNIII palsy

Question 3

medial pontine syndrome

Answer 3

Ipsilateral:
cerebellar ataxia
nystagmus
paralysis of conjugate gaze to side of lesion
diplopia

Contralateral:
hemiparesis (UE+LE)
impaired sensation

Question 4

lateral pontine syndrome

Answer 4

Ipsilateral:
cerebellar ataxia
nystagmus
vertigo
facial paralysis
paralysis of conjugate gaze to side of lesion
deafness, tinnitus
impaired facial sensation

Contralateral: impaired pain and temp sensation

Question 5

medial medullary syndrome

Answer 5

Ipsilateral:
paralysis of half of tongue

Contralateral:
hemiplegia UE+LE
impaired sensation

Question 6

lateral medullary syndrome (wallenberg)

Answer 6

Horner’s syndrome
dysphagia
impaired speech

Ipsilateral:
cerebellar symptoms
loss of pain and temperature in face
sensory loss UE, trunk, or LE

Contralateral: loss of pain+temp to face