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Updated: Feb 17, 2026

Operative Technique and Nuances for the Stereoelectroencephalographic SEEG Methodology Utilizing a Robotic Stereotactic Guidance System
Published on: June 9, 2023
Operative Nuances of Stereotactic Leksell Frame-Based Depth Electrode Implantation
Holger Joswig1, Carolyn M Benson1, Andrew G Parrent1
1Epilepsy Program, Department of Clinical Neurological Sciences, Division of Neu-rosurgery, London Health Sciences Cen-tre, University Hospital, London, Ontario, Canada.
Background:
For intracranial electroencephalographic monitoring, stereotactically implanted depth electrodes are increasingly used at epilepsy centers around the world.
Objective:
To identify pearls and pitfalls from our experience with stereotactic Leksell (Elekta AB, Stockhom, Sweden) frame-based depth electrode implantation.
Methods:
An intraoperative video of the implantation technique was recorded.
Results:
A detailed description and a video on how to implant depth electrodes using the stereotactic Leksell frame is provided.
Conclusion:
Neurosurgeons implanting depth electrodes for intracranial electroencephalographic monitoring might find the technical nuances and caveats described in this technical note useful for their practice.

