Sandbox: Bone DDx
- 10-30 yo patients
- Asymptomatic
- Pathological fracture
- Maffuci syndrome and Ollier disease
- Located in the medullary cavity at the metaphyseal region
- Small lytic lesions, sharply defined scalloped margin, and narrow zone of transition
- Expansion of the overlying cortex
- Rings and arcs of calcifications
- No periosteal reaction