Sandbox: Bone DDx
- Progressive bone pain
- Bony swelling
- Restricted range of movement in affected limb
- Chondroid, myxoid, and fibrous tissue components
- Spindle cells or stellate cells in a myxoid or chondroid stroma
- Pseudolobulated architecture
- Lobules with hypocellular centers and hypercellular peripheries
- Scattered calcifications
- Metaphyseal region of long bones
- Lobulated, eccentric radiolucent lesion with a well defined sclerotic margin
- No periosteal reaction
- Presence of septations, pseudotrabeculation, and geographic bone destruction