Chronic otomastoiditis

Case contributed by Dr Dalia Ibrahim

Presentation

Chronic left ear pain, obstruction and discharge.

Patient Data

Age: 34-year-old
Gender: Male
CT

Opacfication of the left middle ear cleft and mastoid air cells with soft tissue, associated with middle ear atelectasis, 

Tympanic membrane thickening and retraction.

No bony erosion. (which differentiates it from cholesteatoma)

Intact scutum, ossicles and tegmen tympani. 

Additional examination of the nasophayrnx & paranasal sinuses revealed enlarged nasophayrngeal adenoids.

Case Discussion

Chronic otomastoiditis (COM) should be considered a separate entity from acute otomastoiditis, and is thought to be primarily due to Eustachian tube dysfunction as demonstrated in this case secondary to enlarged nasopharyngeal adenoids. 

Chronic otomastoiditis (COM) is persistent or recurrent inflammation of the middle ear and mastoid air cells lasting for a minimum of 12 weeks.

The term encompasses a number of conditions:

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Case information

rID: 42631
Case created: 1st Feb 2016
Last edited: 18th May 2017
System: Head & Neck
Inclusion in quiz mode: Included

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