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Osteomyelitis (Pyogenic (Complications (Localized:1.Brodie's body.
2…
Osteomyelitis
Pyogenic
predisposing factors
1.Age: children (2-12)
2.Sex: male
3.Trauma: (fracture, orthopedic surgery)
4.Immunodeficiency & septic focus
5.IV drug abusers
Causative agents
1.staph. (80%-90%)
2.others: E.coli,klebsiella,
Street., salomenella.
Routes of infection:
1.Hematogenous: the common
2.Direct extention:( tissue abscess,
Suppurative arthritis
3.Direct implantation
site :
1.Metaphysis of long bone
(قرب من الركبة وابعد عن الكوع)
- Ribs,vertebrae,clavicle
clinically:
1.pain,redness,swelling
2.malaise,fever
3.pus discharge
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Complications
Localized:1.Brodie's body.
2.fracture
3.sinus, SCC
4.growth retardation&septic arthritis
-
Tuberculous
Routes of infection
1.Hematogenous
2.Direct extention ( lungribs,
lymph node vertebrae)
Site:
1.spine (thoracic, lumbar, cervical)
2.growing end of long bone
3.bones of feet and hands
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