Internal carotid artery rotation technique to expose an aneurysm neck: technical note
Related Experiment Video
Updated: Sep 27, 2026

Simulator Training for Endovascular Neurosurgery
Published on: May 6, 2020
Kazuhiro Hongo1, Yuichiro Tanaka, Tetsuyoshi Horiuchi
1Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan. khongo@hsp.md.shinshu-u.ac.jp
Objective:
Full exposure of a neck of an aneurysm is important to obliterate it completely.
Methods:
A 51-year-old woman in whom an unruptured aneurysm projecting medially under the optic nerve was incidentally found underwent clipping surgery. The edge of the circumferentially cut distal dural ring was pulled with forceps to rotate the internal carotid artery and to expose the neck of the aneurysm.
Results:
The neck of the aneurysm was completely obliterated under direct vision.
Conclusion:
This single, neat method exposes the neck of an unruptured paraclinoid aneurysm of the internal carotid artery.
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