S16 Patterns of sensory loss

Question 1

What are the symptoms of Brown Sequard syndrome?

Answer 1

Same sided loss of vibration and proprioception. Other side loses temperature sensation.

Question 2

What is Wallendburgs syndrome?

Answer 2

Lateral medullary syndrome. Stroke caused by occlusion of posterior inferior cerebellar artery or vertebral artery.

Question 3

What is paraplegia commonly caused by?

Answer 3

Occlusion of anterior spinal artery.

Question 4

Where would a lesion causing loss of all sensory modality information be?

Answer 4

Thalamus.

Question 5

What does injury to the parietal cortex result in?

Answer 5

Dysgraphaesthesia.
Hemisensory neglect.
R/L confusion.

Question 6

What is syringomyelia?

Answer 6

Rare expansion of spinal cord canal. Affects pain and temperature first (crossing fibres). Later expands to cause lower motor problems and root lesions.

Question 7

What causes a glove and stocking distribution of sensory loss?

Answer 7

Peripheral neuropathy:

Diabetes, autoimmune, toxic, vitamin deficiency, paraneoplastic, kidney/liver disease, Charcot-marie-Tooth disease.

Question 8

What is subacute combined degeneration and what causes it?

Answer 8

B12 deficiency. Makes myelin. Associated with anti-parietal cell antibodies. Causes peripheral neuropathy and dementia.