This is the most common and widely considered as the main reason for cholesteatoma.
Attic perforation cholesteatoma.
Eustachian tube theory.
The vast majority of acquired cholesteatomas develop as a result of chronic middle ear infection and are usually associated with perforation of the tympanic membrane.
Patients may also present due to one of many complications which include.
Cholesteatoma with attic perforation youtube.
If untreated a cholesteatoma can eat into the three small bones located in the middle ear the malleus incus and stapes collectively called ossicles which can result in nerve deterioration deafness imbalance and vertigo.
Invagination of the tympanic membrane of the attic to form retraction pockets to be filled with desquamated epithelium and keratin to form cholesteatoma.
The most common symptoms are loss of hearing and a foul smelling discharge from the ear.
Cholesteatoma is condition whereby there is entrapment of squamous epithelium which eventually expands and cause effects to nearby structures.
Clinical presentation usually consists of conductive hearing loss often with purulent discharge from the ear 6.
If the cholesteatoma has been dry the cholesteatoma may present the appearance of wax over the attic.