Commonly secondary to Eustachian tube dysfunction, which retracts TM
A retraction pocket forms and desquamating skin cells are trapped
Usually in "attic" involving pars flaccida
Their accumulation results in a slowly expanding mass
Sac of dead skin cells growing in middle ear on out of surface of TM
Can destroy ossicles and expand into mastoid (rarely, intracranially causing brain abscess or meningitis)
Often chronically infected with intermittent drainage
Usually in "attic" involving pars flaccida
Their accumulation results in a slowly expanding mass
Sac of dead skin cells growing in middle ear on out of surface of TM
Cholesteatoma
Auricular hematoma
Orbital cellulitis
Auricular perichondritis
Orbital pseudotumor
Periorbital cellulitis
Contact dermatitis
Vestibular papillomatosis