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Updated: Jul 14, 2026

08:07
Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
Published on: April 12, 2019
Hematogenous osteomyelitis mimicking osteosarcoma due to Community Associated Methicillin-Resistant Staphylococcus
U Seybold1, N J Talati, Q Kizilbash
1Division of Infectious Diseases, Medicall Policlinic, Ludwig Maximilian University Munich, Germany. Ulrich.Seybold@med.uni-muenchen.de
Infection
|June 15, 2007
Summary
Community-associated Methicillin-Resistant Staphylococcus aureus (CA-MRSA) can cause severe bone infections. Early diagnosis and vancomycin treatment were successful in two young adults with femur osteomyelitis caused by CA-MRSA.
Area of Science:
- Infectious Diseases
- Orthopedic Surgery
- Microbiology
Background:
- Community-associated Methicillin-Resistant Staphylococcus aureus (CA-MRSA) is a growing public health concern.
- CA-MRSA infections have progressed from skin and soft tissue to life-threatening conditions.
Observation:
- Two young, healthy adults presented with femur osteomyelitis.
- Initial radiographic findings suggested osteosarcoma, leading to excisional biopsy.
Findings:
- The pathogen identified was Panton-Valentine leukocidin-positive USA300 clone of CA-MRSA.
- Both patients achieved successful outcomes with extended vancomycin therapy.
Implications:
- Highlights the importance of considering CA-MRSA in the differential diagnosis of bone infections, even with initial misleading radiographic signs.
- Demonstrates the efficacy of vancomycin in treating CA-MRSA osteomyelitis.
- Underscores the evolving clinical significance of CA-MRSA in severe infections.
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