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Pyomyositis presenting as septic arthritis. A report of 2 cases
1Royal Gwent Hospital, Newport, England.
Acta Orthopaedica Scandinavica
|October 1, 1988
Abstract:
Two cases of pyogenic infection of skeletal muscle presented in a fashion that initially suggested a diagnosis of septic arthritis. One infection was caused by Staphylococcus aureus, but the other was caused by Streptococcus pyogenes, which is rarely implicated in pyomyositis. We note that the number of reported cases of pyomyositis in temperate climates has increased in recent years.
Insights
Pyogenic muscle infections can mimic septic arthritis. Streptococcus pyogenes, a rare cause of pyomyositis, was identified in one case, highlighting the need for increased awareness of this condition.
Area of Science:
- Infectious Diseases
- Musculoskeletal Infections
- Microbiology
Background:
- Pyomyositis, a bacterial infection of skeletal muscle, is typically seen in tropical regions.
- Septic arthritis, an infection of the joint, can present with similar symptoms to pyomyositis.
- Recent trends indicate an increase in pyomyositis cases in temperate climates.
Observation:
- Two cases of pyogenic skeletal muscle infection initially presented as suspected septic arthritis.
- One case involved Staphylococcus aureus, a common pathogen in pyomyositis.
- The second case was caused by Streptococcus pyogenes, an uncommon pathogen for this condition.
Findings:
- Pyogenic muscle infections can present with symptoms mimicking septic arthritis.
- Streptococcus pyogenes, though rare, can be a causative agent of pyomyositis.
- The incidence of pyomyositis appears to be rising in non-tropical areas.
Implications:
- Clinicians should consider pyomyositis in the differential diagnosis of joint pain and swelling, even in temperate climates.
- The rise in pyomyositis cases necessitates heightened awareness and diagnostic vigilance.
- Identifying the causative pathogen is crucial for appropriate treatment and management of pyomyositis.