Patterns of sensory loss Flashcards
What is Brown Sequard syndrome?
Hemi cord lesion
What is myelitis?
Inflammation of the spinal cord
What 3 risk factors is a right thalamic infarct associated with?
1) Smoking
2) High pressure
3) Diabetes
What is a lacunar stroke?
A stoke affecting small perforating vessels
What is synringomelia?
Rare condition, it is expansion of the spinal canal
How can synringomelia be treated?
Can be treated surgically
What are the 7 main causes of peripheral neuropathy?
1) Diabetes mellitus
2) Autoimmune - Guillan-Barre, CIPD, vasculitis
3) Toxic (including drugs, alcohol)
4) Vitamin deficiency
5) Paraneoplastic
6) Chronic kidney, liver disease
7) Inherited (Charcot-Marie Tooth disease)
What is subacute combined degeneration?
Degeneration of the dorsal columns
What deficieny causes subacute combined degeneration and what Ab is it associated with?
B12 deficiency
Associated usually with anti-parietal cell Ab
What other neuropathy can be caused by subacute combined degeneration?
Can also cause peripheral neuropathy or degeneration
What is the treatment for subacute combined degeneration?
B12 injections (Cant give oral tablet, parietal cells are destroyed) Giving B12 injections will stop the condition but wont reverse the disease
Dissociated sensory loss occurs due to lesions where?
Lesions in the spinal cord or brainstem
Pure sensory stroke is caused by what?
Thalamic infarct
What is the distribution of peripheral neuropathy?
Glove and stocking distribution
