Otosclerosis Flashcards

1
Q

Otosclerosis is typically a congenitcal condition that causes osseous dyscrasia of the temporal bones, where new bone is formed, most commonly around footplate of stapes. Is this more common in males or females?

A
  • females
  • 2:1
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2
Q

Otosclerosis is typically a congenitcal condition that causes osseous dyscrasia of the temporal bones, where new bone is formed, most commonly around footplate of stapes. What age group are most affected by this?

1 - 1-5
2 - 10-20
3 - 20-40
4 - 40-60

A

3 - 20-40

Typically affects young adults

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3
Q

Otosclerosis is typically a congenitcal condition that causes osseous dyscrasia of the temporal bones, where new bone is formed, most commonly around footplate of stapes. Is this more likely to be congenital or acquired?

A
  • congenital

Autosomal dominant

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4
Q

Is Otosclerosis more likely to cause conductive or sensorineural hearing loss?

A
  • conductive

This becomes gradually worse over time as the bones grow

Typically affects the bones in the middle ear

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5
Q

Otosclerosis typically causes conductive hearing loss. Is this more likely to be unilateral or bilateral?

A
  • bilateral
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6
Q

When performing otoscaopy which sign could we see in a patient with otosclerosis?

1 - bibinski sign
2 - kernig sign
3 - brudzinski sign
4 - schwartze’s sign

A

4 - schwartze’s sign

Pink blush though to be due to increased blood flow to new bone

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7
Q

What imaging is most commonly performed to help diagnose otosclerosis?

1 - head CT
2 - heat PET
3 - heal angiogram
4 - head MRI

A

1 - head CT

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8
Q

Which 2 of the following can be performed as a treatment for otosclerosis?

1 - wait and see approach with steroids
2 - tympanic membrane
3 - reconstruction of ossicular chain
4 - conductive hearing implants
5 - stapedotomy

A

4 - conductive hearing implants
- this is conservative management

5 - stapedotomy
- must be confirmed in an operation before procedure can be done

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