|
The
chronic suppurative otitis media is of two types:
1)
Tubotympanic (Safe or Benign)
Majority of cases fall in this type of
infection. This infection is usually in the anterio inferior segment
of the middle ear cleft. It is not the dangerous type of infection.
2)
Attico Antral (Unsafe/Dangerous)
This type of infection is less common and involves the posterio
superior segment of the middle ear cleft. In this type of C.S.O.M.,
the changes in the mucous membrane are proliferative granulation
tissue, polypus and cholesteatoma formation.
Bacteriology
Mixed i.e. gram +ve cocci mixed with gram -ve bacilli. Also present
are a wide range of both the aerobic and anaerobic microbes.
Symptoms
- Discharge
- Deafness
- Occasionally Tinnitus and Vertigo
- Pain (sometimes present)
|
Signs
- Discharge
- Deafness (Conductive type)
- Perforation
|
|
