We describe a 7-year-old girl with Giant Cell Tumor involving the frontal bone and the frontal sinus. She presented with headache and a large swelling at the forehead. On skull x-ray a large nonspecific lytic lesion was seen. Total resection of the tumor and cranioplasty of the skull defect was performed and there was no relapse after 4 - year follow-up. (Rawal Med J 2006;32:95-96)