Hearing Loss - Middle ear pathologies Flashcards
What are the classifications of perforation?
Central - The annulus is not involved
Marginal - the annulus is involved
What are the complications of a retraction?
Cholesteatoma
What is a risk factor for a retraction?
Glue ear
What can cause the ossicles to be eroded?
Cholesteatoma
What is cholesteatoma, what are the risk factors, what are the complications and how is it managed?
This is a growth of normal skin, that doesnt make it’s way out of the middle ear. This causes deafness and a foul smelling aroma.
Risk Factors - Retraction
Complications - CNVII palsy, meningitis, mastoiditis, labyrinthitis, ossicle erosion
Management - Drainage
What is glue ear?
An effusion in the middle ear which ofter has bubbles in it
What are the symptoms of glue ear?
Conductive Hearing loss
Disruptive behaviour
Speech difficulties
What is the management of glue ear?
- Watch and wait as most resolve.
- If it has not resolved by three months then grommets to let air in and mucous out
- A hearing aid can be used but this doesnt solve the problem
What is otitis media?
A blanket term for inflammation of the middle ear.
Acute/Chronic.
Supparative (Pus)/Non Supparative(No pus)
What is this?
Cholesteatoma
What is this?
Central ear drum perforation
Right ear
What is this
Marginal eardrum perforation
Left ear
What is otosclerosis and what are the symptoms?
Overgrowth of bone, usually the stapes.
Symptoms are progressive hearing loss that may get worse with pregnancy
