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Updated: Aug 6, 2026

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)
Published on: February 9, 2011
Pediatric osteomyelitis: III. anaerobic microorganisms
Abstract:
Primary osteomyelitis consequent to obligate anaerobic microorganisms represents an infrequently encountered type of infection in pediatric patients. Unlike osteomyelitis caused by more common microorganisms such as Staphylococcus, children with osseous lesions due to anaerobic microorganisms are frequently minimally symptomatic and rarely present the classic signs of fulminant osteomyelitis. Radiographically, the lesions may mimic malignant osseous tumors. Fastidious microbiologic analysis of the material obtained at surgery is necessary to isolate obligate anaerobes. Basic treatment, comprising surgical drainage and appropriate antimicrobial agents, does not differ from that for osteomyelitis caused by aerobic or by facultative anaerobic microorganisms.
Insights
Primary osteomyelitis in children caused by anaerobic bacteria is rare and often presents with subtle symptoms and imaging that can mimic tumors. Prompt microbiologic analysis and standard treatment are crucial for effective management.
Area of Science:
- Pediatric Infectious Diseases
- Microbiology
- Orthopedic Surgery
Background:
- Osteomyelitis caused by obligate anaerobic microorganisms is uncommon in pediatric patients.
- These infections often present with subtle symptoms, differing from typical Staphylococcus-induced osteomyelitis.
- Radiographic findings can be mistaken for malignant bone tumors.
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