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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)
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Signs
- Discharge
- Deafness
(Conductive type)
- Perforation
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