Sandbox: Bone DDx
- 1-5 yo children
- Asymptomatic
- Minority of cases bone pain, swelling, and pathological fractures
- Painless, firm, swelling located at the anterior tibia
- Anterior bowing of the tibia
- Well-circumscribed lesion
- Intracortical osteolysis
- Sclerotic band (osteoblastic rimming)
- Cortical expansion
- Homogeneous lesion matrix
- Fibrous proliferation of polyhedral, round, or spindle cells
- Calcifications
- Myxamatous matrix
- Psammomatoid growth patterns