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Related Experiment Videos

Leaking mycotic abdominal aortic aneurysm

T M Sing1, N Young, I C O'Rourke

  • 1Department of Radiology, Westmead Hospital, NSW, Australia.

Australasian Radiology
|November 1, 1994
PubMed
Summary

A leaking mycotic abdominal aortic aneurysm caused by Streptococcus pyogenes infection is presented. This rare condition required surgical intervention and highlights the importance of prompt diagnosis in abdominal aortic aneurysm cases.

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Area of Science:

  • Vascular Surgery
  • Infectious Diseases
  • Radiology

Background:

  • Mycotic abdominal aortic aneurysms (MAAAs) are rare but life-threatening infections of the aorta.
  • Early diagnosis and treatment are crucial for patient survival.

Observation:

  • A 58-year-old female presented with abdominal pain, fever, and gastrointestinal symptoms.
  • Computed tomography revealed a retroperitoneal hematoma adjacent to a non-dilated aorta, suggesting a leak.
  • Laparotomy identified a 4 cm saccular abdominal aortic aneurysm with a 1 cm neck.

Findings:

  • The aneurysm was infected with Streptococcus pyogenes, confirmed by thrombus culture.
  • The hematoma caused significant obstruction of the right renal collecting system.

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Implications:

  • This case underscores the importance of considering infectious etiologies in aortic pathology.
  • Prompt surgical and antimicrobial management is essential for MAAA patients.
  • Further research into the pathogenesis and optimal treatment strategies for MAAAs is warranted.