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Published on: September 8, 2023
Uncommon incidental pseudoaneurysm. Diagnostic and management challenges
Azmy M Hadidy1, Osama A Samara, Heba S Takrouri
1Department of Diagnostic Radiology, Jordan University Hospital, University of Jordan, Amman, Jordan. amshadidy@yahoo.com
This study analyzed incidental pseudoaneurysms from non-catheterization causes, finding they most often affect young males in lower limb vessels. Duplex sonography showed lower sensitivity for these cases compared to post-catheterization pseudoaneurysms.
Area of Science:
- Vascular Surgery
- Diagnostic Imaging
- Radiology
Background:
- Incidental pseudoaneurysms arise from non-catheterization causes, including trauma and iatrogenic procedures.
- These pseudoaneurysms present a distinct clinical spectrum compared to those resulting from catheterization.
- Understanding their unique characteristics is crucial for accurate diagnosis and management.
Purpose of the Study:
- To analyze patients with uncommon incidental pseudoaneurysms from non-catheterization causes.
- To discuss the clinical spectrum of these pseudoaneurysms.
- To differentiate them from post-catheterization pseudoaneurysms.
Main Methods:
- Retrospective study of 11 patients (8 males, 3 females) at Jordan University Hospital (2002-2008).
- Radiological investigations included duplex sonography (DS), computed tomography (CT), conventional angiography, magnetic resonance imaging (MRI), and magnetic resonance angiography (MRA).
Main Results:
- Pseudoaneurysms were most common in young males (63.6%) and lower limb vessels (36%).
- Clinical findings suggested pseudoaneurysms in 27% of cases.
- Duplex sonography identified pseudoaneurysm indicators in 4/8 scans; CT and angiography had diagnostic limitations in 1/5 cases; MRI/MRA confirmed pseudoaneurysms in 2 patients.
Conclusions:
- Incidental pseudoaneurysms can occur after trauma or iatrogenic procedures with delayed presentation.
- Young males are a high-risk group, unlike elderly females with calcified vessels in post-catheterization cases.
- CT and MRI/MRA demonstrate high accuracy for diagnosing incidental pseudoaneurysms, while DS shows reduced sensitivity compared to post-catheterization cases.
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