"Fibroxanthoma of bone and metaphyseal fibrous defect are terms that have been previously used to encompass both non-ossifying fibroma and fibrous cortical defect or synonymous with non-ossifying fibroma 1-4. Non-ossifying fibroma and fibrous cortical defect are histologically the same and the different terminology of both entities was only based on the size of the lesion (non-ossifying fibroma >2 cm; fibrous cortical defect"