Osteoma of the mastoid is rarely encountered, and until the present data, only 32 cases have actually been reported in medical literature.1 These neoplasms are not dangerous, but because of their rarity, are interesting curiosities and should be reported when encountered.
Report of Case
Patient is a 19-year-old white female. At the time seen, she was a student nurse at St. Mary's Hospital, Passaic, N.J.According to her history, a simple mastoidectomy, left, had been performed at the same hospital on Feb. 17, 1955. Recovery had apparently been uneventful. There had never been any aural discharge; symptoms were constant pain and a pressure sensation, radiating down to the tip, into the back of the head, and down the neck. X-ray diagnosis was "acute mastoiditis." Despite that surgery, the symptoms had never completely cleared, although some improvement was noted. Shortly after recovery, a hardly perceptible enlargement of the mastoid process