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Anterior tibial artery pseudoaneurysm.
1Hospital Teluk Intan, Department of Radiology, Perak, Malaysia. dr.nicq@gmail.com.
The Medical Journal of Malaysia
|May 25, 2021
Summary
Pseudoaneurysms, or false aneurysms, are rare arterial injuries often caused by trauma or medical procedures. Ultrasound is crucial for diagnosing these vascular injuries, especially when classic signs are absent.
Area of Science:
- Vascular Surgery
- Diagnostic Imaging
Background:
- Pseudoaneurysms (false aneurysms) are collections of blood outside an artery, contained by surrounding tissue, distinct from true aneurysms which involve all arterial wall layers.
- They are uncommon and can result from trauma, orthopedic procedures (e.g., tibial nailing, ankle arthroscopy), or sports injuries.
Observation:
- A 37-year-old male presented with a two-week history of progressive swelling in his left anterior leg.
- The patient's presentation was atypical, lacking classic pseudoaneurysm signs like a pulsatile mass, diminished distal pulses, or bruit.
Findings:
- Diagnostic suspicion for pseudoaneurysm arose from history and clinical examination, despite the absence of typical physical findings.
- Ultrasound and Doppler examination of the lower limb confirmed the diagnosis of a pseudoaneurysm.
Implications:
- This case underscores the importance of considering pseudoaneurysms even with atypical presentations.
- Prompt diagnosis via sonographic methods is critical for timely and appropriate management of potentially sinister vascular injuries.
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