Osteoma: A Rare Case of Painless Postauricular Swelling.

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.