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Related Experiment Videos

Retroperitoneal collections--aetiology and radiological implications

M Paley1, P S Sidhu, R A Evans

  • 1Department of Radiology, King's College Hospital, London, UK.

Clinical Radiology
|April 1, 1997
PubMed
Summary

Retroperitoneal collections, often secondary abscesses, require investigation for gastrointestinal or renal sources. Percutaneous drainage is an effective management strategy for these psoas-related collections.

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Area of Science:

  • Radiology
  • Gastroenterology
  • Infectious Disease

Background:

  • Retroperitoneal collections near the psoas muscle are uncommon, especially without pancreatitis.
  • Understanding their imaging features, causes, and treatment is crucial.

Purpose of the Study:

  • To review imaging characteristics, pathogenesis, and management of retroperitoneal collections.
  • To emphasize distinguishing imaging features and the role of percutaneous drainage.

Main Methods:

  • Retrospective review of 23 retroperitoneal collections in 22 patients over 2 years.
  • Utilized computed tomography (CT), ultrasound (US), and magnetic resonance imaging (MRI).
  • Analyzed clinical history, etiology, drainage methods, pathology, and outcomes.

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Main Results:

  • 18 abscesses and 5 hematomas were identified; most abscesses were secondary to spinal, GI, or renal disease.
  • Escherichia coli and Mycobacterium tuberculosis were common pathogens.
  • Percutaneous drainage successfully managed 12 abscesses.

Conclusions:

  • Secondary abscesses are prevalent, necessitating exclusion of GI or renal origins.
  • Tuberculous disease is a significant etiological factor.
  • Percutaneous drainage is effective for managing secondary retroperitoneal abscesses.