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Primary retroperitoneal abscess complicated with septic arthritis of the hip

Chuan-Nan Su1, Dar-Shih Hsieh, Guang-Huan Sun

  • 1Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, National Defense University, Taipei, Taiwan, ROC.

Journal of the Chinese Medical Association : JCMA
|February 2, 2006
PubMed

Insights

A rare case of retroperitoneal abscess complicated with septic hip arthritis in a woman with gouty arthritis and avascular necrosis highlights diagnostic challenges. Early detection is crucial to reduce severe complications from this unusual presentation.

Area of Science:

  • Infectious Diseases
  • Orthopedic Surgery
  • Radiology

Background:

  • Primary retroperitoneal abscesses are uncommon, and their coexistence with septic arthritis of the hip presents significant diagnostic challenges.
  • The insidious nature of these conditions can lead to delayed diagnosis, prolonged sepsis, and increased patient morbidity and mortality.

Observation:

  • A 41-year-old woman with a history of gouty arthritis and avascular necrosis of the femoral head presented with fever, flank pain, weight loss, and hip pain.
  • Imaging revealed a large retroperitoneal abscess (32 x 10 x 8 cm) compressing surrounding muscles.
  • Surgical intervention involved abscess drainage and sequestrectomy of the hip.

Findings:

  • Microbiological analysis identified Escherichia coli and Staphylococcus aureus in pus from both the retroperitoneum and the hip.
  • The patient's underlying gouty arthritis and avascular necrosis may have contributed to the unusual presentation and complexity of the infection.

Implications:

  • This case underscores the importance of considering unusual infectious etiologies in patients with complex comorbidities presenting with sepsis and localized pain.
  • Prompt surgical drainage and appropriate antibiotic therapy are critical for managing such severe infections.
  • Further research into the predisposing factors and optimal management strategies for primary retroperitoneal abscesses complicated by septic arthritis is warranted.

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