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Diseases of Middle Ear

Diseases of Middle Ear. Dr SK Ng Associate Consultant NT East Cluster CUHK. Otitis media with effusion ( glue ear serous otitis media, secretory otitis media, middle ear effusion). Common in children Due to poor eustachian tube dysfunction NOT due to water get into ear during bathing.

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Diseases of Middle Ear

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  1. Diseases of Middle Ear • Dr SK Ng • Associate Consultant • NT East Cluster • CUHK

  2. Otitis media with effusion (glue ear serous otitis media, secretory otitis media, middle ear effusion) Common in children Due to poor eustachian tube dysfunction NOT due to water get into ear during bathing

  3. Diagnosis assisted by Tympanometry Pure tone audiogram (PTA)

  4. Problem: Hearing loss, affect learning/ development Require treatment when persistent Treatment: Myringotomy and grommet insertion (M+G)

  5. In adults, unilateral glue ear: Must Rule Out Nasopharyngeal Cancer

  6. Acute otitis media • Very common: 60% by 1 year of age • 80% by 3 year of age • 90% by 5 year of age • Otalgia +/- fever • Hyperemic tympanic membrane • Usu follow or associate with URI • Treated by antibiotics/ analgesics • Seldom require myringotomy

  7. Chronic Suppurative Otitis Media (CSOM) • Problems:

  8. Chronic Suppurative Otitis Media (CSOM) Problems: 1. Hearing loss

  9. Chronic Suppurative Otitis Media (CSOM) • Problems: • Hearing loss • Recurrent infection

  10. Treatment of CSOM • 1. Treat infection: aural toilet + antibiotic ear drops

  11. Treatment of CSOM • 1. Treat infection: aural toilet + antibiotic ear drops • 2. Myringoplasty- repair of the tympanic memb

  12. Treatment of CSOM • 1. Treat infection: aural toilet + antibiotic ear drops • 2. Myringoplasty- repair of tympanic memb • 3. Hearing aid

  13. Treatment of CSOM • 1. Treat infection: aural toilet + antibiotic ear drops • 2. Myringoplasty • 3. Hearing aid • 4. No treatment

  14. Cholesteatoma

  15. Problems of cholesteatoma • Potential serious complication • Intracranial abscess • Dead ear • Facial nerve palsy,etc • Treatment: • Surgery i.e. mastoidectomy

  16. Ossicular problem • Otosclerosis: • Fixation of stapes footplate • Problems: Hearing loss • Treatment: Hearing aid • Surgery: stapedectomy

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