Chronic left sided ear discharge, presented with a swelling behind ears.
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Left oto-mastoiditis is evident by thick collection in middle ear cavity and mastoid air cells, with bony erosion, and a collection close to attachment to digastric and sternomastoid muscles within subcutaneous, and subperiosteal planes communicating with mastoid antrum.
Bezold abscess, although not a frequent complication, presents typically as cunatenous swelling in a case of chronic suppurative otitis media.