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

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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https://hal.inria.fr/hal-01058435
Contributeur : Alexandre Bilger <>
Soumis le : mardi 26 août 2014 - 18:39:22
Dernière modification le : mercredi 16 mai 2018 - 11:23:41
Document(s) archivé(s) le : jeudi 27 novembre 2014 - 16:35:27

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  • HAL Id : hal-01058435, version 1

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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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