909 / 1708
Diagnostic Work-Up
Plain films
• Diaphyseal location: poorly marginated destructive
lesion; the erosion of the cortex and spread to soft
tissues are accompanied by a multilaminated periosteal
reaction (Onion peel)
• Detachment of the periosteum (Codman triangle)
• Spiculae of calcification in soft tissues
• 10~15% pathologic fractures