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<section | <section begin="orthopaedics acute" /><section begin="orthopaedics chronic" /><section begin="radiology" />'''Osteomyelitis''' is an infection involving bone, caused by bacteria in most cases. It may be severe, and it may affect any bone. The pathogen may enter the bone directly (non-hematogenous osteomyelitis), usually after trauma or wounds, or from the blood (haematogenous osteomyelitis).<section end="radiology" /><section end="orthopaedics chronic" /> | ||
Acute osteomyelitis develops within days or weeks. It's most common in children < 5 years, where haematogenous spreading of [[S. aureus]] is the most common cause. It also occurs in adults, where direct spread from a trauma, ulcer, or from haematogenous spreading after IV drug use is the most common cause.<section end="orthopaedics acute" /><section begin="orthopaedics chronic" /> | Acute osteomyelitis develops within days or weeks. It's most common in children < 5 years, where haematogenous spreading of [[S. aureus]] is the most common cause. It also occurs in adults, where direct spread from a trauma, ulcer, or from haematogenous spreading after IV drug use is the most common cause.<section end="orthopaedics acute" /><section begin="orthopaedics chronic" /> |