Chronic osteomyelitis is diagnosed mainly by:
Sequestrum
Bone fracture
Deformity
Brodie's abscess
Sequestrum is the dead bone separated out from the living bone by the granulation tissue. The factors responsible for bone death in chronic osteomyelitis are: raised intravascular pressure Vascular stasis and small vessel thrombosis periosteal stripping bacterial toxins Sequestrum is the hall mark of chronic osteomyelitis Involucrum--periosteal new bone forming later
Ohopaedics Q Bank