Steps Bone Fracture Repair

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Step 4 Bone Fracture Repair

Bone Remodeling of Callus: -Osteoclasts resorb dead portions of original bone fragments -Compact bone replaces spongy bone around fracture periphery -May not see repaired fracture on radiograph -Healed fracture evidenced by thickened area on surface of bone

Step 3 Bone Fracture Repair

Bony Callus Formation: -Fibrocartilaginous callus converted to spongy bone (bony callus) -Lasts 3-4 months

Step 2 Bone Fracture Repair

Fibrocartilaginous callus formation: -Fibrocartilaginous callus (mass of repair tissue consisting of collagen fibers and cartilage that bridges broken ends of bone) -Takes about 3 weeks

Step 1 Bone Fracture Repair

Formation of Fracture Hematoma: -Blood vessels crossing fracture line broken -Blood leaks out blood clot forms around site of fracture (fracture hematoma) -6-8 hours after injury(Possibly several weeks)

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