Ear Attic Retraction Pocket

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

Ear attic retraction pocket.

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. 1 attic retraction pocket cholesteatoma is clearly visualized white arrow. 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. Fluid draining from the ear. Tympanic membrane retraction describes a condition in which a part of the eardrum lies deeper within the ear than its normal position. 5 ruedi s theory.

Invagination of tympanic membrane from the attic or part of pars tensa in the form of retraction pockets lead to the formation of cholesteatoma. However if it retracts enough to press on the bones or other structures within your ear it can cause. 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.

Further progression of retraction pockets can cause destruction of the eardrum. 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. 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. Often there is an accumulation of squamous debris within the pocket figure 6a b. A retracted eardrum usually doesn t cause any symptoms. Attic retraction pocket in the left ear white arrow with atelectatic prussak s space red circle and eroded scutum yellow arrow.