1
Q
What are the clinical findings of cerebellar disease?
A
DANISH PASTRIES
D - dysdiadochokinesis
A - ataxia
N - nystagmus (recall cerebellar nystagmus is away from lesion)
I - intention tremor
S - staccato speech/scanning dysarthria
H - hypotonia/hyporeflexia and heel-shin test
P - past pointing
PASTRIES is also useful mnemonic for causes of cerebellar dysfunction
2
Q
What are the causes of cerebellar dysfunction?
A
Paraneoplastic cerebellar syndrome Alcoholic degeneration Sclerosis (MS) Tumour (posterior fossa SOL) Rare (Friedrich's and ataxia telangiectasia) Iatrogenic (phenytoin) Endocrine (hypothyroidism) Stroke (brain stem vasc event)
3
Q
causes of CN III palsy?
A
there is old teaching that says surgical causes compress the superficial parasympathetic papillary fibres
causes: M for medical Mononeuritis multiplex (e.g. DM) Midbrain infarction (Weber's) Midbrain demyelination (MS) Migraine
C for cutting (Surgical)
Communicating artery aneurysm (post)
Cavernous sinus path (would expect IV, V and VI to be impacted)
Cerebral uncus herniation
