There has been significant bone erosion of the ear canal wall above the eardrum.
Attic retraction pocket cholesteatoma.
Eustachian tube theory.
The picture on the right shows a large cholesteatoma with a very large and open attic retraction pocket and a central perforation of the eardrum.
An attic cholesteatoma is defined as an epidermoid cyst found in the attic.
Retraction pockets and attic cholesteatoma.
This is the most common and widely considered as the main reason for cholesteatoma.
However this ear was also the patient s only hearing ear and there was not a history of pain or drainage.
Invagination of the tympanic membrane of the attic to form retraction pockets to be filled with desquamated epithelium and keratin to form cholesteatoma.
Granulation tissue may arise from the mucosa adjacent to the cholesteatoma figure 6c.
Incidence of attic retraction after staged intact canal wall tympanoplasty for middle ear cholesteatoma.
Skin material often accumulates in this pocket and becomes infected causing drainage and potential severe complications.
The significance of the retraction pocket in the treatment of cholesteatoma.
The patient was elderly and had very poor hearing in this ear.
Stratified squamous epithelium may also be present in the middle ear as other clinical or pathological entities such as metaplastic islands of the mucosa.
In cholesteatoma first international conference.
Auris nasus larynx vol.
A retraction pocket seen in the attic or posterosuperior quadrant of a tympanic membrane is the hallmark of an acquired cholesteatoma.