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Penetrating anorectal trauma and hematogenous sepsis: A rare trigger for necrotizing pneumonia

Joud Boutaleb1, Zaynab Iraqi Houssaini1, Loubaris Sarah1

  • 1Emergency Radiology Department, Ibn Sina University Hospital Center, Rabat, Morocco.

Radiology Case Reports
|June 12, 2025
PubMed

Insights

Neglected anorectal trauma can lead to severe sepsis and fatal necrotizing pneumonia via Staphylococcus aureus bloodstream infection. Prompt diagnosis and intervention are critical for survival in these rare but dangerous injuries.

Area of Science:

  • Trauma Surgery
  • Infectious Diseases
  • Critical Care Medicine

Background:

  • Penetrating anorectal and perineal injuries are rare but pose significant management challenges.
  • Complex anatomy and high risk of complications, including necrotizing pneumonia, necessitate specialized care.

Observation:

  • This case report describes a neglected anorectal trauma.
  • Hematogenous spread of *Staphylococcus aureus* from the trauma site occurred.
  • This led to severe sepsis and fatal necrotizing pneumonia with extensive pulmonary destruction.

Findings:

  • The primary infection source was the anorectal trauma.
  • Hematogenous dissemination of *Staphylococcus aureus* caused systemic infection.
  • Necrotizing pneumonia developed as a severe complication of sepsis.

Implications:

  • Early diagnosis and aggressive, multidisciplinary intervention are vital for improving outcomes.
  • Preventing sepsis and multi-organ failure in such cases remains a significant challenge despite intensive care.
  • This case underscores the critical importance of timely management of anorectal trauma to prevent life-threatening infectious complications.
Keywords:
Hematogenous spreadNecrotizing pneumoniaPenetrating anorectal injurySepsisStaphylococcus aureus

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