Spinal cord lesions Flashcards

1
Q

Brown-Sequard syndrome

A

Spinal cord hemisection
Lateral corticospinal tract - ipsilateral spastic paresis below lesion
Dorsal columns - ipsilateral loss of proprioception and vibration sensation
Lateral spinothalamic tract - contralateral loss of pain and temperature sensation

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2
Q

Subacute combined degeneration of the spinal cord

A

Due to vitamin B12 & E deficiency
Lateral corticospinal tracts - bilateral spastic paresis
Dorsal columns - bilateral loss of proprioception and vibration sensation
Spinocerebellar tracts - bilateral limb ataxia

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3
Q

Friedrich’s ataxia

A

Lateral corticospinal tracts - bilateral spastic paresis
Dorsal columns - bilateral loss of proprioception and vibration sensation
Spinocerebellar tracts - bilateral limb ataxia
Cerebellar ataxia, intention tremor

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4
Q

Anterior spinal artery occlusion

A

Lateral corticospinal tracts - bilateral spastic paresis

Lateral spinothalamic tracts - bilateral loss of pain and temperature sensation

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5
Q

Syringomyelia

A

Ventral horns - flacid paresis (typically affecting the intrinsic hand muscles)
Lateral spinothalamic tract - loss of pain and temperature sensation

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6
Q

Multiple sclerosis

A

Asymmetrical, varying spinal tracts involved

Combination of motor, sensory and ataxia symptoms

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7
Q

Neurosyphilis

A

Tabes dorsalis

Dorsal columns - loss of proprioception and vibration sensation

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8
Q

Amyotrophic lateral sclerosis

A

AKA Motor neuron disease
Both upper (corticospinal tracts) and lower motor neurons affected
Combination of upper and lower motor neuron signs

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9
Q

Poliomyelitis

A

Anterior horns - lower motor neuron signs

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