External auditory canal osteoma
Updates to Article Attributes
Body
was changed:
External auditory canal osteomas are rare focal pedunculated bony overgrowths of the osseous external auditory canal.
Radiographic features
- solitary pedunculated bony overgrowth of the external auditory canal usually at the bony cartilaginous junction
- unilateral
- large lesions may be associated with
waxearwax, debris or secondary cholesteatoma
Differential diagnosis
- external auditory canal exostoses (surfer's ear): bilateral multiple broad based bony overgrowths
-<li>large lesions may be associated with wax, debris or secondary <a href="/articles/cholesteatoma">cholesteatoma</a>- +<li>large lesions may be associated with <a title="Earwax" href="/articles/cerumen">earwax</a>, debris or secondary <a href="/articles/cholesteatoma">cholesteatoma</a>
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