Round window membrane rupture following blunt force trauma.
W S Cho1, G Koju2, S Parajuli2
1Nottingham University Hospitals NHS Trust, UK.
Annals of the Royal College of Surgeons of England
|January 1, 2022
Summary
A slap to the ear caused round window rupture in a child, leading to profound hearing loss. Surgical repair was successful, highlighting an unusual cause of inner ear trauma.
Area of Science:
- Otolaryngology
- Trauma Surgery
Background:
- Round window rupture is typically associated with barotrauma from diving or air travel.
- This case presents an atypical etiology: direct blunt trauma to the ear.
Observation:
- A 12-year-old boy experienced sudden hearing loss after a slap to the ear.
- Examination revealed a tympanic membrane perforation and profound hearing loss on audiogram.
- Exploratory tympanotomy confirmed active perilymph leakage from the round window niche.
Findings:
- Direct blunt ear trauma can cause round window rupture.
- Perilymphatic fistula presenting solely with hearing loss is possible.
- Surgical repair using cartilage and fascia grafting is effective.
Implications:
- This case expands the known causes of round window rupture.
- Tympanotomy is crucial for diagnosing inner ear trauma when imaging is normal.
- Early surgical intervention can prevent further complications and potentially restore hearing.
Keywords:
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