[Frontal sinusitis, palpebral abscess and exophthalmia due to osteoma]

Although osteomas of the paranasal sinuses are slowly growing bony benign neoplasms, they can cause very important orbital or neurological complications. A 58 year old man's osteoma with sinusitis, abscess and proptosis is reported. A review of the literature is presented and the importance of CT scanner, to appraise the enlargement of the tumor and so to select the best surgical approach, is defined.