Attic Retraction Ear

The epithelium from the outer drum of the ear through a pre existing perforation moves to the middle ear to form cholesteatoma.

Attic retraction ear.

A retracted eardrum is one that appears concave. 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. 1 attic retraction pocket cholesteatoma is clearly visualized white arrow. Eustachian tube theory.

Attic retraction pocket in the left ear white arrow with. The basal cells of germinal layer of skin proliferate under the influence of infection and lay down keratinising squamous epithelium. Invagination of the tympanic membrane of the attic to form retraction pockets to be filled with desquamated epithelium and keratin to form cholesteatoma. Attic retraction in ear.

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. However if it retracts enough to press on the bones or other structures within your ear it can cause. There has been significant bone erosion of the ear canal wall above the eardrum. Attic retraction pocket in the left ear white arrow with atelectatic prussak s space red circle and eroded scutum yellow arrow.

5 ruedi s theory. Fluid draining from the ear. Invagination of tympanic membrane from the attic or part of pars tensa in the form of retraction pockets lead to the formation of cholesteatoma. January 30 2020 by zamira leave a comment.

Skin material often accumulates in this pocket and becomes infected causing drainage and potential severe complications. Cholesteatoma otology for aei retraction pocket excision with retraction pocket excision with cholesteatoma and mastoid surgery ent retraction pockets.