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Pyogenic sacroiliitis in children-a diagnostic challenge

Agueda Molinos Quintana1, Beatriz Morillo Gutiérrez, M Soledad Camacho Lovillo

  • 1Department of Pediatric Infectious Diseases and Immunodeficiencies, University Hospital Virgen del Rocío, Seville, Spain.

Clinical Rheumatology
|August 14, 2010
PubMed

Insights

Pyogenic sacroiliitis in children is rare but serious. Early diagnosis is achievable with specific clinical and imaging findings, with Staphylococcus aureus being the common cause. Conservative antibiotic treatment proved effective.

Area of Science:

  • Pediatric infectious diseases
  • Musculoskeletal infections
  • Radiology in pediatrics

Background:

  • Pyogenic sacroiliitis is a rare pediatric osteoarticular infection (1-2% of cases).
  • Deep anatomical location and nonspecific symptoms often delay diagnosis.
  • Significant morbidity is associated with osteoarticular infections in children.

Purpose of the Study:

  • To describe clinical and radiological features of pediatric pyogenic sacroiliitis.
  • To highlight the possibility of early diagnosis through specific patterns.
  • To report outcomes of conservative management.

Main Methods:

  • Retrospective review of 11 pediatric cases over 8 years.
  • Clinical assessment and radiological evaluation (MRI and/or bone scintigraphy).
  • Identification of causative agents and treatment strategies.

Main Results:

  • A cluster of 4 cases occurred in the last 11 months.
  • Staphylococcus aureus was the only identified pathogen.
  • All patients, including those with abscesses, responded well to antibiotic therapy alone.

Conclusions:

  • Early diagnosis of pyogenic sacroiliitis is feasible with characteristic clinical and imaging findings.
  • Conservative antibiotic management is effective for pediatric pyogenic sacroiliitis.
  • An algorithm for prompt diagnosis is proposed, though optimal therapy requires further definition.

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