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Isolated common iliac artery aneurysm rupturing into small bowel: CT appearance
H M Noh1, E K Fishman, D A Bluemke
1Department of Radiology, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA.
Abdominal Imaging
|November 1, 1995
Summary
An isolated common iliac artery aneurysm forming a fistulous tract with the terminal ileum was diagnosed using dynamic computed tomography (CT). This case highlights CT
Area of Science:
- Vascular Surgery
- Radiology
- Gastroenterology
Background:
- Arterioenteric fistulas are rare but life-threatening complications.
- Aneurysms of the iliac artery can erode into adjacent bowel segments.
Observation:
- A case of an isolated common iliac artery aneurysm presenting with a fistulous communication to the terminal ileum is detailed.
- Dynamic computed tomography (CT) was utilized as the primary diagnostic modality.
- The CT findings revealed a direct connection between the aneurysm and the small bowel.
Findings:
- The study successfully diagnosed an uncommon arterioenteric fistula involving the common iliac artery and terminal ileum.
- Dynamic CT provided clear visualization of the fistulous tract, confirming the diagnosis.
- This highlights the efficacy of CT in identifying complex vascular-enteric communications.
Implications:
- Accurate and timely diagnosis of arterioenteric fistulas is crucial for patient survival.
- Dynamic CT should be considered a valuable tool in the diagnostic workup of suspected arterioenteric fistulas, particularly in cases involving iliac artery aneurysms.
- Understanding the role of CT in diagnosing such rare conditions can improve clinical management and patient outcomes.
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