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Delayed coil migration from a small wide-necked aneurysm after stent-assisted embolization: case report and literature review

  • Interventional Neuroradiology
  • Published:
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Abstract

Introduction

We present a previously unreported complication following the treatment of a patient with two small, wide-necked, posterior communicating artery aneurysms.

Methods

Endovascular embolization of one aneurysm was performed using a stent-assisted technique. Follow-up angiography 5 months later revealed that a coil had escaped the confinement of the stent and migrated distally without occluding any arterial branches or causing symptoms. This case report demonstrates that although a rare occurrence, a coil can break loose from the stent.

Discussion

We discuss the potential mechanisms of this phenomenon and review the literature on stent-assisted aneurysm coiling in order to raise awareness of this event when embolizing small, wide-necked aneurysms with a stent-assisted technique.

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Authors and Affiliations

  1. Department of Diagnostic and Interventional Radiology, Shanghai Sixth People’s Hospital, Shanghai Jiao Tong University, Shanghai, 200233, People’s Republic of China

    Bu-Lang Gao, Ming-Hua Li, Yong-Li Wang & Chun Fang

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  1. Bu-Lang Gao
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  2. Ming-Hua Li
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  3. Yong-Li Wang
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  4. Chun Fang
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Correspondence to Ming-Hua Li.

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Gao, BL., Li, MH., Wang, YL. et al. Delayed coil migration from a small wide-necked aneurysm after stent-assisted embolization: case report and literature review. Neuroradiology 48, 333–337 (2006). https://doi.org/10.1007/s00234-005-0044-1

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  • DOI: https://doi.org/10.1007/s00234-005-0044-1

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