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ALL / Neurology
Otosclerosis
Otosclerosis
Otosclerosis describes the replacement of normal bone by vascular spongy bone. It causes a progressive conductive deafness due to fixation of the stapes at the oval window. Otosclerosis is autosomal dominant and typically affects young adultsOnset is usually at 20-40 years - features include:
- conductive deafness
- tinnitus
- tympanic membrane
- the majority of patients will have a normal tympanic membrane
- 10% of patients may have a 'flamingo tinge', caused by hyperaemia
- positive family history
Management
- hearing aid
- stapedectomy
+PassMedicine Notes
Otosclerosis describes the replacement of normal bone by vascular spongy bone. It causes a progressive conductive deafness due to fixation of the stapes at the oval window. Otosclerosis is autosomal dominant and typically affects young adults
Onset is usually at 20-40 years - features include:- conductive deafness
- tinnitus
- tympanic membrane
- the majority of patients will have a normal tympanic membrane
- 10% of patients may have a 'flamingo tinge', caused by hyperaemia
- positive family history
- hearing aid
- stapedectomy
