- Etiology:
- Imaging:
— Location (metaphysis, intramedullary)
— Lytic with thin sclerotic margin, usually unilocular, dependent bony fragment is evidence of fracture (fallen fragment sign)
— Matrix ()
— Zone of transition (narrow)
— Periosteal new bone or cortical destruction (none) - DDX:
- Complications:
- Treatment:
- Clinical:
Radiology Cases of Unicameral Bone Cyst

