Intra-operative Registration for Stereotactic Procedures driven by a combined Biomechanical Brain and CSF Model

Alexandre Bilger 1 Éric Bardinet 2 Sara Fernández-Vidal 2 Christian Duriez 1, 3 Pierre Jannin 4 Stéphane Cotin 1, 3
1 SHACRA - Simulation in Healthcare using Computer Research Advances
LIFL - Laboratoire d'Informatique Fondamentale de Lille, Inria Lille - Nord Europe, Inria Nancy - Grand Est
2 CENIR - Centre de Neuro-Imagerie de Recherche
3 LIFL - Laboratoire d'Informatique Fondamentale de Lille
4 LTSI - Laboratoire Traitement du Signal et de l'Image
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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Communication dans un congrès
ISBMS - International Symposium on Biomedical Simulation, Oct 2014, Strasbourg, France. 2014
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Soumis le : mardi 26 août 2014 - 18:39:22
Dernière modification le : mercredi 16 mai 2018 - 11:23:41
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Alexandre Bilger, Éric Bardinet, Sara Fernández-Vidal, Christian Duriez, Pierre Jannin, et al.. Intra-operative Registration for Stereotactic Procedures driven by a combined Biomechanical Brain and CSF Model. ISBMS - International Symposium on Biomedical Simulation, Oct 2014, Strasbourg, France. 2014. 〈hal-01058435〉

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