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Pyomyositis due to Streptococcus pneumoniae

S Lindsey Wong1, Evelyn Y Anthony, Avinash K Shetty

  • 1Department of Pediatrics, Wake Forest University Health Sciences and Brenner Children's Hospital, Winston-Salem, NC 27157, USA.

The American Journal of Emergency Medicine
|June 6, 2009
PubMed

Insights

Pneumococcal pyomyositis, a rare childhood infection, can mimic other conditions. This case highlights successful treatment of Streptococcus pneumoniae-induced pyomyositis with clindamycin.

Area of Science:

  • Pediatric infectious diseases
  • Musculoskeletal infections

Background:

  • Pyomyositis is a bacterial muscle infection, typically caused by Staphylococcus aureus.
  • Pneumococcal pyomyositis, caused by Streptococcus pneumoniae, is exceptionally rare in children.
  • Clinical presentation can be challenging, often mimicking hip septic arthritis or appendicitis.

Observation:

  • A 12-year-old male presented with fever and severe right hip and abdominal pain.
  • Magnetic resonance imaging (MRI) confirmed pyomyositis of the right hip.
  • Blood cultures identified Streptococcus pneumoniae, susceptible to penicillin, ceftriaxone, and clindamycin.

Findings:

  • The patient received a 3-week course of clindamycin.
  • Successful treatment of pneumococcal pyomyositis was achieved.
  • Early diagnosis and targeted antibiotic therapy are crucial.

Implications:

  • This case underscores the importance of considering rare pathogens in pediatric pyomyositis.
  • Prompt recognition and appropriate management, including potential surgical drainage, are vital for favorable outcomes.
  • Highlights effective antibiotic choices for Streptococcus pneumoniae-induced pyomyositis.

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