J Cerebrovasc Endovasc Neurosurg.  2016 Mar;18(1):38-41. 10.7461/jcen.2016.18.1.38.

Open-cell Stent Deployment across the Wide Neck of a Large Middle Cerebral Aneurysm Using the Stent Anchor Technique

  • 1Department of Neurosurgery, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan. sakamoto@hiroshima-u.ac.jp
  • 2Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan.


We describe a case of successful open-cell stent deployment across the wide neck of a large middle cerebral artery aneurysm using the stent anchor technique. A microcatheter was looped through the aneurysm and navigated into a distal vessel across the aneurysm neck. Although the loop of the microcatheter in the aneurysm straightened as it was gently withdrawn, the microcatheter again protruded into the aneurysm by open-cell stent navigation. The stent was partially deployed in a vessel distal to the aneurysm neck, withdrawn slowly to straighten the loop of the microcatheter in the aneurysm, and completely deployed across the aneurysm neck. After successful stent deployment, stent-assisted coil embolization was performed without complications. The stent anchor technique was successfully used to deploy an open-cell stent across the aneurysm neck in this case of microcatheter protrusion into the aneurysm during stent navigation.


Endovascular procedures; Endovascular techniques; Intracranial aneurysm; Stent; Subarachnoid hemorrhage
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