Chronic suppurative otitis media
- Chronic suppurative otitis media
- Persistent drainage from middle ear through perforated tympanic membrane lasting > 6 weeks
- Perforated tympanic membrane usually heals within weeks
- No healing -> sign of chronic inflammation
- Older children
- Bacteria enter through perforated TM
- Clinical features
- 3 yes 1 no
- Yes: Perforation of TM
- Yes: Ear discharge
- Yes: Conductive hearing loss
- No: No pain
- Two types
- Mesotympanic
- Central perforation
- Treatment: tympanoplasty
- With cholesteatoma
- Cholesteatoma: keratinizing squamous epithelium found in bony spaces, and the bone is destroyed by inflammatory osteoclastic process
- In TM, auditory canal or mastoid
- Can become infected
- Marginal perforation
- Brown irregular mass
- Imaging to assess bone destruction
- Treatment: surgery
- Cholesteatoma: keratinizing squamous epithelium found in bony spaces, and the bone is destroyed by inflammatory osteoclastic process
- Mesotympanic
- Persistent drainage from middle ear through perforated tympanic membrane lasting > 6 weeks