Osteomas are osteogenic tumors that commonly affects frontal and ethmoidal sinuses. Temporal osteomas are extremely rare with less than 200 cases have been reported in the literature; within the temporal bone, osteoma rarely affects the mastoid but commonly involves external auditory meatus, middle ear, and styloid process. We present here a case of osteoma of mastoid region of temporal bone presenting as a single painless postauricular mass.
Mastoid Osteoma Retroauricular
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