Eustachian tube theory.
Attic retraction cholesteatoma.
There is an attic erosion partially exposing posterior half of drum deeply retracted and this pocket is full of keratin flakes.
Cholesteatoma is an accumulation of squamous epithelium and keratin debris that usually involves the middle ear and mastoid.
This is the most common and widely considered as the main reason for cholesteatoma.
January 4 2020 by zamira leave a comment.
Invagination of the tympanic membrane of the attic to form retraction pockets to be filled with desquamated epithelium and keratin to form cholesteatoma.
1 attic retraction pocket cholesteatoma is clearly visualized white arrow.
Cholesteatoma case photo education dallas ear insute.
Granulation tissue may arise from the mucosa adjacent to the cholesteatoma figure 6c.
There has been significant bone erosion of the ear canal wall above the eardrum.
Often presents with a malodorous ear discharge with associated hearing loss.
Attic was demonstrated in 15 of 25 60 of the cases.
Attic retraction pocket cholesteatoma.
Such causes can include for example poor eustachian tube function which results in retraction of the ear drum and failure of the normal outward migration of skin.
In these ears it was seen that the well pneumatized attic and mastoid antrum seen in.
A recurrent cholesteatoma is a new cholesteatoma that develops when the underlying causes of the initial cholesteatoma are still present.
Skin material often accumulates in this pocket and becomes infected causing drainage and potential severe complications.
Situations that arise at surgery cholesteatoma diagnosing the unsafe ear cholesteatoma case photo education 12 2 123 000 140m top 1 154 4 900.
A retraction pocket seen in the attic or posterosuperior quadrant of a tympanic membrane is the hallmark of an acquired cholesteatoma.
In three cases of cholesteatoma follow up ct revealed either growth of a cholesteatoma from a retraction pocket or development of a small cholesteatoma into a large one.
