Non-ossifying fibroma is one of the benign bone lesions, which are often asymptomatic unless accompanied by a pathologic fracture.
- fibrous dysplasia
- hyperparathyroidism -Brown tumor
- Brodie's and tuberculous abscesses
- benign osteoblastoma
- aneurysmal bone cyst
- chondromyxoid fibroma.
Non-ossifying fibromas (NOF) are the most common of benign fibrous bone lesions 2 and is essentially a larger version ( >2-3 cm) of a fibrous cortical defect, both are encompassed by the term fibroxanthoma or metaphyseal cortical defect.