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Septic sacroiliitis: an unusual causative organism in a rare condition

C M O'Brien1, E S Darley, A J Kelly

  • 1Department of Trauma and Orthopaedics, Frenchay Hospital, Bristol, UK.

International Journal of Clinical Practice
|July 31, 1998
PubMed

Insights

Streptococcus pneumoniae rarely causes septic arthritis, and infection of the sacroiliac joint by this bacterium is exceptionally uncommon. This case report details a rare instance of sacroiliac joint infection by Streptococcus pneumoniae.

Area of Science:

  • Infectious Diseases
  • Rheumatology
  • Microbiology

Background:

  • Septic arthritis is a serious joint infection, most commonly affecting large weight-bearing joints.
  • While various bacteria can cause septic arthritis, Streptococcus pneumoniae is an infrequent pathogen.
  • Involvement of the sacroiliac joint in septic arthritis is less common than other joints.

Observation:

  • This report describes a rare case of septic arthritis specifically affecting the sacroiliac joint.
  • The causative agent identified in this case was Streptococcus pneumoniae.
  • The clinical presentation and diagnostic process for this unusual infection are detailed.

Findings:

  • Streptococcus pneumoniae was confirmed as the pathogen responsible for the sacroiliac joint infection.
  • The case highlights the potential for this uncommon bacterium to cause infection in this specific anatomical location.
  • Successful diagnosis and management strategies for this rare presentation are discussed.

Implications:

  • This case expands the understanding of Streptococcus pneumoniae's spectrum of invasive infections.
  • It underscores the importance of considering less common pathogens and joint locations in diagnosing septic arthritis.
  • Clinicians should maintain a high index of suspicion for Streptococcus pneumoniae in sacroiliac joint infections, despite its rarity.

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