Chronic suppurative otitis media (CSOM) is a chronic inflammation of the middle ear and mastoid mucosa with a non-intact tympanic membrane and ear discharge. Mastoiditis is an infection of the mastoid bone, which is located behind the ear and is part of the temporal bone. These conditions can occur independently or in combination.
The causes of chronic suppurative otitis media and mastoiditis can include:
The symptoms of chronic suppurative otitis media and mastoiditis can vary depending on the severity of the infection. Some common symptoms include:
The diagnosis of chronic suppurative otitis media and mastoiditis involves a thorough ear examination, including otoscopy and microscopy of the ear discharge. Imaging studies, such as computed tomography (CT) scans, may also be performed to evaluate the extent of the infection.
| Description | Percentage |
|---|---|
|
During suppuration, or with aural polyps |
10 |
Note: Evaluate hearing impairment, and complications such as labyrinthitis, tinnitus, facial nerve paralysis, or bone loss of skull, separately.
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