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Bilateral persistent sciatic arteries with unilateral complicating aneurysm

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Singapore Med J 2005; 46(8): 426-428
Bilateral persistent sciatic arteries with unilateral complicating aneurysm

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ME Aziz, NRN Yusof, MS Abdullah, AH Yusof, MI Yusof
Correspondence: Dr Mohd Imran Yusof, drimran@kb.usm.my; drimran93@yahoo.com

ABSTRACT
Persistent sciatic artery is a very uncommon embryological vascular variant. This case report highlights this rare vascular anomaly, diagnostic difficulty, complication and subsequent treatment in a 43-year-old man who presented with sudden onset of right leg pain for a few hours. He was unable to walk because of pain and numbness. Emergency right lower limb angiogram showed a large aneurysm that was initially thought to arise from the right common femoral artery, associated with thrombus formation within the right popliteal artery. A below knee amputation was performed due to worsening ischaemia of the right leg. The persistent right sciatic artery was later obliterated using percutaneous stenting and endovascular grafting, with deployment of two wallstents.

Keywords: aneurysm, embryological vascular variant, persistent sciatic artery
Singapore Med J 2005; 46(8): 426-428

http://smj.org.sg/sites/default/files/4608/4608cr3.pdf
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