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A Late-onset Psoas Abscess Formation Associated with Previous Appendectomy: A Case Report

Sam Moslemi1, Maryam Tahamtan2, Seyed Vahid Hosseini3

  • 1Department  of General Surgery, Shiraz University of Medical Sciences, Shiraz, Iran.

Bulletin of Emergency and Trauma
|May 11, 2016
PubMed

Insights

A rare late complication of appendicitis, a psoas abscess, was diagnosed in a patient 4 years after appendectomy. This case highlights the importance of considering appendicitis sequelae in unusual presentations.

Area of Science:

  • Infectious Diseases
  • Surgical Complications
  • Abdominal Imaging

Background:

  • Psoas abscesses are typically linked to adjacent infections.
  • Late-onset psoas abscesses following acute appendicitis are exceptionally rare.
  • The exact relationship between appendicitis, appendectomy, and subsequent psoas abscess remains debated.

Observation:

  • A 25-year-old male presented with fever and right lower quadrant pain.
  • A history of acute appendicitis and complicated appendectomy 4 years prior was noted.
  • Abdominopelvic CT revealed a large right psoas abscess extending into adjacent muscles.

Findings:

  • The patient had fever, abdominal tenderness, and leukocytosis.
  • Imaging confirmed a 6 cm hypodense mass within the right psoas muscle.
  • Percutaneous drainage and broad-spectrum antibiotics were initiated.

Implications:

  • This case underscores the potential for delayed complications after appendectomy.
  • It suggests a possible, though rare, link between appendicitis sequelae and psoas abscess formation.
  • Further investigation may be warranted to elucidate the pathophysiology of late-onset abscesses post-appendicitis.
Keywords:
AppendectomyComplicated acute appendicitisLate-onset psoas abscess formation

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