Attic retraction of eardrum otoscope view stock image c038.
Left attic retraction.
Some authors have also suggested hereditary factors.
Medical professionals may also call a retracted eardrum middle ear atelectasis to understand the conditions that may cause this you must first understand a little bit about the eardrum called the tympanic membrane and the normal physiology of the middle ear.
Cholesteatoma inadvertently left by a surgeon usually regrows as an epidermal cyst.
Attic retraction pocket in the left ear white arrow with.
The bone of the ear canal which is just above the eardrum is called the scutum.
A retracted eardrum is one that appears concave.
This picture shows a severely retracted left eardrum with and attic retraction pocket.
Invagination of the tympanic membrane of the attic to form retraction pockets to be filled with desquamated epithelium and keratin to form cholesteatoma.
Eustachian tube theory.
A retracted eardrum usually doesn t cause any symptoms.
The attic is just above the eardrum.
The eardrum comprises two parts the pars tensa which is the main part of the eardrum and the pars flaccida which is a smaller part of the eardrum located above the pars tensa either or both of these parts may become retracted.
This abnormal folding or retraction of the tympanic membrane arises in one of the following ways.
However if it retracts enough to press on the bones or other structures within your ear it can cause.
This is the most common and widely considered as the main reason for cholesteatoma.
Attic retraction pocket in the left ear white arrow with atelectatic prussak s space red circle and eroded scutum yellow arrow.
Fluid draining from the ear.