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ENT > Ear-otosclerosis > Flashcards

Ear-otosclerosis Flashcards

1
Q

Otosclerosis also known as

A

Otospongiosis

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2
Q

What is otosclerosis

A

The fixation of foot plate of stapes

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3
Q

Aggravating factor in otosclerosis

A

Pregnancy,Menopause,trauma ,hereditary, infection like measles

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4
Q

Otosclerosis is more common in male or female in the world

A

Female (2nd and 3rd decade)

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5
Q

Cookie bite appearance seen in

A

Otosclerosis

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6
Q

The most common site of origin in otosclerosis

A

Point anterior To oval window

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7
Q

What kind of hearing loss and cochlear otosclerosis

A

Mixed type of hearing loss

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8
Q

Type of hearing loss in normal otosclerosis

A

CHL

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9
Q

What is Paracusis Willisi and What is it a feature of

A

The patient hears better in noisy area (property of conductive hearing loss)
Otosclerosis

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10
Q

Features of otoSclerosis

A

Paracusis willisi
Patient has low tone voice and soft speech
Tinnitus

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11
Q

What is Schwartz sign and where is it seen

A

It is a flamingo pink appearance behind tympanic membrane

It is seen in otosclerosis In 10% patients

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12
Q

Surgery for otosclerosis

A

Stapedotomy or stapedectomy

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13
Q

Steps of stapedectomy/stapedotomy

A
  1. Rosen endomeatal incision
  2. remove the head of the stapes
  3. make a hole in the foot plate of stapes
  4. No place stapes piston prosthesis
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14
Q

Use of sodium fluoride in otosclerosis

A

Stabilisation of disease in some cases

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15
Q

NaF is contraindicated

A

Pregnancy
Lactation
Chronic nephritis
Chronic rheumatoid arthritis

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16
Q

Types of otosclerosis

A
  1. anterior foci(Most common) – play and defence Trump
  2. Posterior foci
  3. Circumferential
  4. Biscuit
  5. Obliterated
17
Q

Differential diagnosis of otosclerosis

A 
Fixed malleus syndrome
Secretary otitis media
Congenital fixation of stapes footplate 
Ossicular discontinuity
Tympanosclerosis
18
Q

Gelle’s test

A

Air pressure in external auditory meatus by seigel’s speculum leading to increased stiffness of ossicular chain

19
Q

Van der hoeve syndrome triad

A

Osteogenesis imperfecta
Blue sclera
Otosclerosis

20
Q

Carrhats notch and where is it seem

A

Dip in 2K in PTA

ENT (34 decks)

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