Compression of spinal cord Flashcards

1
Q

Which tract is responsible for crude touch?

A

Spinothalamic tract

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2
Q

Name a degenerative disease that could cause spinal cord compression

A

Spondylosis

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3
Q

Most common form of cervical spinal cord injury

A

Central cord syndrome

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4
Q

What causes central cord syndrome?

A

Hyperflexion or extension injury to already stenotic neck

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5
Q

Central cord syndrome

A
  • weakness predominantly in the distal upper limbs
  • “cape like” spinothalamic sensory loss
  • dorsal columns preserved
  • lower limb power preserved
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6
Q

Cancers likely to metastasise to bone

A

Lung
Breast
Kidney
Prostate

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7
Q

Are meningiomas and schwannomas extramedullary or intramedullary?

A

Extramedullary (but still within the dura)

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8
Q

Are astrocytomas and ependymomas extramedullary or intramedullary?

A

Intramedullary

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9
Q

Organisms that could cause bone infection

A

Staph

TB

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10
Q

You give this drug as a bolus and infusion in spinal cord injury - it is thought to minimise the secondary effects of spinal cord injury

A

Methylprednisolone

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11
Q

Which steroid do you give if you have spinal tumour?

A

Dexamethasone- helps to reduce swelling and can relieve pressure on spinal cord

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12
Q

Treatment for primary tumour

A

Surgical excision

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13
Q

Treatment for haemorrhage

A
  • Reverse anticoagulation

- Surgical decompression

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14
Q

Treatment for degenerative disease

A

Surgical decompression +/- stabilisation

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15
Q

Where do the corticospinal tracts decussate?

A

Medulla

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16
Q

Where do the spinothalamic tracts decussate?

A

Spinal level

17
Q

What modalities are affected in cord transection?

A

All modalities are affected - motor and sensory

18
Q

What is cord transection?

A

Complete Lesion – all motor and sensory modalities affected
Sensory Level
Motor Level
Initially a flaccid arreflexic paralysis “Spinal Shock”
Upper motor neurone signs appear later

19
Q

Brown sequard syndrome?

A

Ipsialteral motor level
Ipsilateral dorsal column sensory loss
Contralateral spinothalamic sensory level

20
Q

Why do you get spinal canal stenosis in degenerative disease?

A

osteophyte formation
bulging of intervertebral disc
facet joint hypertrophy
subluxation