What is chronic suppurative osteomyelitis?

Chronic purulent osteomyelitis, often caused by acute hematogenous osteomyelitis, into the chronic stage, in the acute infection, there is no complete control, repeated attacks evolved into chronic osteomyelitis, or is a relatively low toxicity of bacterial infection, in the onset, it is manifested as chronic osteomyelitis. Staphylococcus aureus, as the main pathogenic bacteria, can cause local bone deformation, skin ulceration to form sinus, sinus outflow odor pus, surrounding muscle fibrosis, joint contracture, can discharge dead bone. X-ray film can be found dead bone formation, performance for completely isolated bone pieces, no trabecular bone structure, thick white dense, surrounded by gaps.