Answers:
What is the name of the area between the pars flaccida, malleus neck and the lower portion of the malleus head.
A) Muller Region
B) Mondini Area
C) Facial Recess
D) Schwarte's Space
E) Prussak's Space
MC Questions:
How long of a delay should there be before a "second look" procedure is performed on a canal wall up mastoidectomy?
A) 1 month
B) 3-5 Months
C) 6 Months
D) 8-12 Months
E) 1-2 years
F) Whenever is convenient for the patient.
A) Muller Region
B) Mondini Area
C) Facial Recess
D) Schwarte's Space
E) Prussak's Space
This is the area most commonly invaded by pars flaccida cholesteatomas.
During a mastoidectomy, where is it easiest to identify the facial nerve?
It is easiest to identify CNVII in the attic just anterior and inferior to the horizontal semicircular canal.
How long of a delay should there be before a "second look" procedure is performed on a canal wall up mastoidectomy?
A) 1 month
B) 3-5 Months
C) 6 Months
D) 8-12 Months
E) 1-2 years
F) Whenever is convenient for the patient.
Free Response Question:
What is the rate of recurrence/residual cholesteatoma after surgery?
Quick Facts:
Otosclerosis
-Unique to temporal bone, exclusive to otic capsule.
-abnormal removal of mature dense otic capsule be osteoclasts and replacement w/ woven bone of greater thickness, cellularity and vascularity.
-Can involve any part of bony labyrinth but tends towards region near anterior border of oval window (fissula ante fenestram).
-CHL occurs if annular ligament of oval window and stapes footplate involved.
-SNHL can occur if other parts of otic capsule involved.
-Incidence of clinical disease .5-1.0% but subclinical disease be by as high as 13%.
-Half as prevalent in Asians, 1/10 as common in AAs.
-W>M be 2:1.
-Hormonal influences in pregnancy may cause rapid progression in women.
-Average age of presentation is 20-45
-Unique to temporal bone, exclusive to otic capsule.
-abnormal removal of mature dense otic capsule be osteoclasts and replacement w/ woven bone of greater thickness, cellularity and vascularity.
-Can involve any part of bony labyrinth but tends towards region near anterior border of oval window (fissula ante fenestram).
-CHL occurs if annular ligament of oval window and stapes footplate involved.
-SNHL can occur if other parts of otic capsule involved.
-Incidence of clinical disease .5-1.0% but subclinical disease be by as high as 13%.
-Half as prevalent in Asians, 1/10 as common in AAs.
-W>M be 2:1.
-Hormonal influences in pregnancy may cause rapid progression in women.
-Average age of presentation is 20-45
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