subacute combined degeneration of the cord

Question 1

cause of Subacute combined degeneration of the spinal cord

Answer 1

due to vitamin B12 deficiency

Question 2

what is affected in Subacute combined degeneration of the spinal cord

Answer 2

impairment of the dorsal columns,
lateral corticospinal tracts and spinocerebellar tracts..

Question 3

clinical features of dorsal column involvement ?

Answer 3

distal tingling/burning

sensory loss -loss is symmetrical and tends to affect the legs more than the arms

impaired proprioception and vibration sense

Question 4

clinical features lateral corticospinal tract involvement

Answer 4

muscle weakness,

hyperreflexia, and spasticity

brisk knee reflexes
absent ankle jerks
extensor plantars

Question 5

spinocerebellar tract involvement

Answer 5

sensory ataxia → gait abnormalities

positive Romberg’s sign

Question 6

low folate levels and treating that with folate and not checking what can lead to combined degeneration of the spinal cord?

Answer 6

vitamin b12 not checked