Ear Attic Retraction Pocket

Further progression of retraction pockets can cause destruction of the eardrum.

Ear attic retraction pocket.

The ear drum has worn away a lot of the middle hearing bone. This retraction pocket is still cleaning itself but the extent of the pocket can not be seen. 1 attic retraction pocket cholesteatoma is clearly visualized white arrow. Often there is an accumulation of squamous debris within the pocket figure 6a b.

Invagination of tympanic membrane from the attic or part of pars tensa in the form of retraction pockets lead to the formation of cholesteatoma. Skin material often accumulates in this pocket and becomes infected causing drainage and potential severe complications. 5 ruedi s theory. The basal cells of germinal layer of skin proliferate under the influence of infection and lay down keratinising squamous epithelium.

Attic retraction pocket cholesteatoma january 4 2020 by zamira leave a comment situations that arise at surgery cholesteatoma diagnosing the unsafe ear cholesteatoma case photo education 12 2 123 000 140m top 1 154 4 900. Fluid draining from the ear. There has been significant bone erosion of the ear canal wall above the eardrum. A retraction pocket seen in the attic or posterosuperior quadrant of a tympanic membrane is the hallmark of an acquired cholesteatoma.

Attic retraction pocket in the left ear white arrow with atelectatic prussak s space red circle and eroded scutum yellow arrow. However if it retracts enough to press on the bones or other structures within your ear it can cause. Eardrum is strongly retracted one can not determine the exact position of its banks the destruction of the lateral wall of the attic is larger and the epithelium begins to grow into the back forming the initial stage of cholesteatoma. 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.

The ear drum has dropped further in and has worn through the middle hearing bone arrow 1 and is now lying against the inner wall of the middle ear space. A retracted eardrum usually doesn t cause any symptoms. The the photo 3 you can see the uncontrolled retraction pocket in epitympanum. Many of theses eardrums have tympanosclerosis or white plaques on the eardrum.

Granulation tissue may arise from the mucosa adjacent to the cholesteatoma figure 6c.