Diseases of the Spinal Cord Flashcards

1
Q

What are examples of diseases of upper motor neurons of the spinal cord?

A

Myelopathy

Myelitis

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2
Q

What are examples of diseases of lower motor neurons of the spinal cord?

A

Radiculopathy

Radiculitis

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3
Q

What are examples of upper motor neuron (UMN) neuron signs?

A

No wasting

Increased tone

Increased reflexes, extensor planter

Pyramidal pattern of weakness

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4
Q

What are examples of lower motor neuron signs?

A

Wasting

Decreased tone

Decreased reflexes, flexor planter

Weakness

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5
Q

What do upper motor neurons form?

A

Spinal cord

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6
Q

What do lower motor neurons form?

A

Spinal root

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7
Q

What is a sign of radiculopathy?

A

Dermatomal sensory loss

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8
Q

What is myelopathy?

A

Injury to the spinal cord due to severe compression

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9
Q

What is Brown-Sequard syndrome?

A

Lesion on the spinal cord that results in weakness or paralysis

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10
Q

What does Brown-Sequard syndrome cause?

A

Ipsilateral - decreased vibration, joint position sense and weakness

Contralateral - decreased pain and temperature

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11
Q

What are autonomic symptoms of diseases of the spinal cord?

A

Bladder/bowel problems

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12
Q

As an example, what would the clinical presentation be of a C5 cord lesion?

A

Wasting of C5 innervated muscles

Increased ton in legs, which is greater than the arms

Power decreased in C5 innervated muscles, pyramidal pattern below

Reflexes in biceps decrease, all lower reflexes increase

Sensory level

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13
Q

What is radiculopathy?

A

Set of conditions in which one or more nerves are affected and do not work properly (a neuropathy)

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14
Q

What are the different classifications of causes for myelopathy or radiculopathy?

A

Intrinsic

Extrinsic

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15
Q

What do intrinsic causes mean?

A

Medical causes (from within the body)

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16
Q

What do extrinsic causes mean?

A
17
Q
A