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Related Experiment Videos

Bilateral persistent sciatic arteries with unilateral complicating aneurysm.

M E Aziz1, N R N Yusof, M S Abdullah

  • 1Department of Radiology, School of Medical Science, Universiti Sains Malaysia, Jalan Raja Perempuan Zainab 2, 16150 Kubang Kerian, Kelantan, Malaysia.

Singapore Medical Journal
|July 29, 2005
PubMed
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Persistent sciatic artery is a rare vascular anomaly. This case report details its diagnosis, complications like limb ischemia, and successful endovascular treatment in a patient presenting with acute leg pain.

Area of Science:

  • Vascular Surgery
  • Embryology
  • Interventional Radiology

Background:

  • Persistent sciatic artery is a rare congenital vascular anomaly resulting from the failure of the sciatic artery to regress during embryonic development.
  • This condition can lead to various complications, including aneurysms, pseudoaneurysms, and thrombosis, often presenting with acute limb ischemia.

Observation:

  • A 43-year-old male presented with sudden onset of severe right leg pain and numbness, indicative of acute limb ischemia.
  • Emergency angiography revealed a large aneurysm, initially suspected to be from the common femoral artery, with associated thrombus in the popliteal artery.

Findings:

  • The underlying cause was identified as a persistent sciatic artery, a rare embryological variant.
  • Despite initial management including below-knee amputation due to severe ischemia, the persistent sciatic artery was successfully obliterated via percutaneous stenting and endovascular grafting.

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Implications:

  • This case underscores the diagnostic challenges associated with persistent sciatic artery, especially when presenting with aneurysmal degeneration.
  • Endovascular techniques offer a viable treatment option for managing complications of persistent sciatic artery, potentially avoiding more invasive surgical procedures.
  • Highlighting this rare anomaly aids in improving diagnostic accuracy and therapeutic strategies for similar vascular presentations.