What is the earliest bony change of osteomyelitis on X-rays?
Pyogenic osteomyelitis on X-ray in 24-48 hours will show loss of soft tissue planes (earliest change on X-ray). Day 7 to 10-solid periosteal reaction (earliest bony change on X-ray).
Loss of soft tissue planes
Periosteal reaction
Sequestrum formation
Lytic defects
Bone and Imaging