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Case report
Tandem symptomatic internal carotid artery and persistent hypoglossal artery stenosis treated by endovascular stenting and flow reversal
  1. Jorge L Eller1,2,
  2. Shady Jahshan1,2,
  3. Travis M Dumont1,2,
  4. Peter Kan1,2,
  5. Adnan H Siddiqui1,2,3,4
  1. 1Department of Neurosurgery, University at Buffalo, State University of New York, Buffalo, New York, USA
  2. 2Department of Neurosurgery, Gates Vascular Institute, Kaleida Health, Buffalo NY, USA
  3. 3Department of Radiology, University at Buffalo, State University of New York, Buffalo, New York, USA
  4. 4School of Medicine and Biomedical Sciences, and Toshiba Stroke and Vascular Research Center, University at Buffalo, State University of New York, Buffalo, New York, USA
  1. Correspondence to Dr Adnan H Siddiqui, asiddiqui{at}ubns.com

Abstract

Persistence of the hypoglossal artery into adulthood is a rare vascular anomaly and, when present, provides the predominant vascular supply to the posterior circulation. We describe a case of vertebrobasilar insufficiency associated with severe high-grade stenosis of the persistent hypoglossal artery and tandem stenosis of the proximal ipsilateral internal carotid artery, treated by an endovascular approach. The unique anatomical and technical challenges associated with this case are reviewed in detail.

  • Atherosclerosis
  • Intervention
  • Stenosis
  • Stent

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