In osteomyelitis, periosteal new bone formation is known as?

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Multiple Choice

In osteomyelitis, periosteal new bone formation is known as?

Periosteal reaction to infection in bone involves the periosteum laying down new bone to wall off the infection. This newly formed outer layer around the infected area is called the involucrum. It often surrounds a piece of dead bone (sequestrum) and may be associated with an opening in the involucrum (a cloaca) that allows drainage; chronic cases can develop sinus tracts. So the periosteal new bone formation in osteomyelitis is the involucrum.

Periosteal reaction to infection in bone involves the periosteum laying down new bone to wall off the infection. This newly formed outer layer around the infected area is called the involucrum. It often surrounds a piece of dead bone (sequestrum) and may be associated with an opening in the involucrum (a cloaca) that allows drainage; chronic cases can develop sinus tracts. So the periosteal new bone formation in osteomyelitis is the involucrum.

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