Removal of a large frontal sinus osteoma with unilateral osteoplastic flap

A Seventeen years old male presented with right unilateral proptosis and supra-orbital swelling. Routine x-rays sinuses and CT Scan showed opacified mass of the right frontal sinus mainly occupying the lateral part of the sinus extending into the orbit. Excision of the lesion was carried out under general anaesthesia utilizing unilateral osteoplastic flap. The procedure was devised to ensure complete excision of osteoma through frontal sinus, direct examination of the frontonasal duct opening, and to achieve a good post operative cosmesis