osteomyelitis

site: junction of metaphysis + epiphysis
types:
- pyogenic (Staph. aureus)
- TB
- syphilis
- Salmonella (hemoglobinopathy, Gaucher dz)
10 days --> periosteal reaction, loss of cortical margins
sequestrum / involucrum
chronic osteo: Brodie's abscess
complications:
- amyloidosis
- squamous cell metaplasia of sinus tract --> squamous cell Ca or fibrosarcoma