Ear Attic Retraction Pocket

The eardrum is draped over the incus stapes and round window.

Ear attic retraction pocket.

There has been significant bone erosion of the ear canal wall above the eardrum. The picture on the far right shows a severely retracted eardrum with attic retraction pocket formation. 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. 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.

Invagination of tympanic membrane from the attic or part of pars tensa in the form of retraction pockets lead to the formation of cholesteatoma. This retraction pocket is still cleaning itself but the extent of the pocket can not be seen. However if it retracts enough to press on the bones or other structures within your ear it can cause. Attic retraction pocket in the left ear white arrow with atelectatic prussak s space red circle and eroded scutum yellow arrow.

Often there is an accumulation of squamous debris within the pocket figure 6a b. A retracted eardrum usually doesn t cause any symptoms. Tympanic membrane retraction describes a condition in which a part of the eardrum lies deeper within the ear than its normal position. The ear drum has worn away a lot of the middle hearing bone.

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. Further progression of retraction pockets can cause destruction of the eardrum. 1 attic retraction pocket cholesteatoma is clearly visualized white arrow.

5 ruedi s theory. The the photo 3 you can see the uncontrolled retraction pocket in epitympanum. Skin material often accumulates in this pocket and becomes infected causing drainage and potential severe complications. Fluid draining from the ear.