Planning of minimal destructive neurosurgery: preoperative fMRI and intraoperative cortical stimulation

Michael Verius; Ralf Huttary; Florian Koppelstaetter; C. Siedentopf; Thomas Fiegele; Wolfgang A. Recheis; S. Golaszewski; Stephan Felber; Wilhelm Eisner; Dieter Zur Nedden

doi:10.1117/12.595030

14 April 2005 Planning of minimal destructive neurosurgery: preoperative fMRI and intraoperative cortical stimulation

Michael Verius, Ralf Huttary, Florian Koppelstaetter, C. Siedentopf, Thomas Fiegele, Wolfgang A. Recheis, S. Golaszewski, Stephan Felber, Wilhelm Eisner, Dieter Zur Nedden

Author Affiliations +

Proceedings Volume 5746, Medical Imaging 2005: Physiology, Function, and Structure from Medical Images; (2005) https://doi.org/10.1117/12.595030
Event: Medical Imaging, 2005, San Diego, California, United States

Abstract

Content of this study is the verification whether the direct cortical stimulation agrees with the results of fMRI and to determine of what size the deviations are. It is primary to say that neuron populations, which lead to an involuntary movement with the anesthetized and awake patient over synapses, are excited during an electric direct cortical stimulation. With fMRI (similarly like in positron emission tomography), the circulation alteration after an activation of brain areas by arbitrary, active movement or spontaneous cerebral activation by sensory stimulation is represented in sectional images. With intraoperative electrophysiology individual muscles or muscle groups can be activated directly. The exact correlation of these two methods has the goal to replace ICS in future by preoperative fMRI. Numerous authors pointed out that fMRI can play an important part in preoperative functional mapping [39]. Indeed these studies don't comprise any direct comparison with intraoperative cortical stimulation, the gold standard of intraoperative functional localisation. Aim of this study therefore was the development of a three-dimensional registration system for the transfer of preoperative functional MR-data on intraoperative electro-physiological stimulation points with high precision and to install in the neuro-surgical operating room. The preoperative neuro-functional diagnostics should be integrated directly in the neuro-surgical operation planning and the correlation of the functional localisation should be examined.

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Michael Verius, Ralf Huttary, Florian Koppelstaetter, C. Siedentopf, Thomas Fiegele, Wolfgang A. Recheis, S. Golaszewski, Stephan Felber, Wilhelm Eisner, and Dieter Zur Nedden "Planning of minimal destructive neurosurgery: preoperative fMRI and intraoperative cortical stimulation", Proc. SPIE 5746, Medical Imaging 2005: Physiology, Function, and Structure from Medical Images, (14 April 2005); https://doi.org/10.1117/12.595030

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KEYWORDS

Functional magnetic resonance imaging

Brain

Magnetic resonance imaging

Brain mapping

Sensors

Head

Neurons

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