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- Osteomyelitis (OM): infection of the bone.
- Acute OM: first presentation of osteomyelitis, < 2 weeks duration, no bony necrosis/sequestrum, usually hematogenously acquired and more commonly seen in children.
- Chronic OM: not clearly defined but may include failure of prior OM treatment, symptoms >3 weeks, presence of necrotic bone/sinus tract or discharge.
- No robust evidence to back definitions or guidelines for treatment of OM in setting of DFI.
- Two general categories of OM:
- Occurring within context of DFI (most common by far)
- Other sites, e.g., vertebral.