Left Attic Retraction

Fluid draining from the ear.

Left attic retraction.

This is the most common and widely considered as the main reason for cholesteatoma. Eustachian tube theory. A retracted eardrum usually doesn t cause any symptoms. This abnormal folding or retraction of the tympanic membrane arises in one of the following ways.

This picture shows a severely retracted left eardrum with and attic retraction pocket. Tympanic membrane retraction describes a condition in which a part of the eardrum lies deeper within the ear than its normal position. 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. A retracted eardrum is one that appears concave.

Erosion of the scutum may occur when the superior portion of the eardrum pars flaccida is retracted into the attic the air space above the eardrum. Invagination of the tympanic membrane of the attic to form retraction pockets to be filled with desquamated epithelium and keratin to form 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. Retraction pocket excision with cartilage grafting as a preventive.

Cholesteatoma inadvertently left by a surgeon usually regrows as an epidermal cyst. Some authors have also suggested hereditary factors. The bone of the ear canal which is just above the eardrum is called the scutum. Attic retraction pocket in the left ear white arrow with.

However if it retracts enough to press on the bones or other structures within your ear it can cause.