Abstract
During stereotactic neurosurgery, the brain shift could affect the accuracy of the procedure. However, this deformation of the brain is not often considered in the pre-operative planning step or intra-operatively, and may lead to surgical complications, side effects or ineffectiveness. In this paper, we present a method to update the pre-operative planning based on a physical simulation of the brain shift. Because the simulation requires unknown input parameters, the method relies on a parameter estimation process to compute the intracranial state that matches the partial data taken from intra-operative modalities. The simulation is based on a biomechanical model of the brain and the cerebro-spinal fluid. In this paper, we show on an anatomical atlas that the method is numerically sound.
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Bilger, A., Bardinet, É., Fernandez-Vidal, S., Duriez, C., Jannin, P., Cotin, S. (2014). Intra-Operative Registration for Stereotactic Procedures Driven by a Combined Biomechanical Brain and CSF Model. In: Bello, F., Cotin, S. (eds) Biomedical Simulation. ISBMS 2014. Lecture Notes in Computer Science, vol 8789. Springer, Cham. https://doi.org/10.1007/978-3-319-12057-7_9
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DOI: https://doi.org/10.1007/978-3-319-12057-7_9
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-12056-0
Online ISBN: 978-3-319-12057-7
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