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FIGURE 1. Axial views of the midbrain of one Parkinson's disease patient as observed with a standard clinical 3T MRI ... FIGURE 1. Axial views of the midbrain of one Parkinson's disease patient as observed with a standard clinical 3T MRI (left) and a high-field 7 T MRI (right), both are T2-weighted images. Unless provided in the caption above, the following copyright applies to the content of this slide: Copyright © 2018 by the Congress of Neurological SurgeonsThis article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( Neurosurgery, Volume 84, Issue 3, 24 May 2018, Pages 749–757, The content of this slide may be subject to copyright: please see the slide notes for details.
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FIGURE 2. Visualization of the midbrain of one Parkinson's disease patient as observed with a standard clinical 3T MRI ... FIGURE 2. Visualization of the midbrain of one Parkinson's disease patient as observed with a standard clinical 3T MRI (left) and the 7 T-ML method applied on the same image, T1-weighted (up) and T2-weighted (down). Unless provided in the caption above, the following copyright applies to the content of this slide: Copyright © 2018 by the Congress of Neurological SurgeonsThis article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( Neurosurgery, Volume 84, Issue 3, 24 May 2018, Pages 749–757, The content of this slide may be subject to copyright: please see the slide notes for details.
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FIGURE 4. The suggested 7 T-ML agrees with MER on STN location relative to stimulating electrode. A, Absolute ... FIGURE 4. The suggested 7 T-ML agrees with MER on STN location relative to stimulating electrode. A, Absolute differences between STN lengths measured with MER and the suggested 7 T-ML method. B, STN lengths measured with MER and the suggested 7 T-ML method were significantly correlated. The regression equation is y = 0.52x + 2.6, where x and y are the STN length per MER and 7 T-ML, respectively. C, Contacts classification. Almost all contacts inside (green) or outside (red) the STN based on MER were classified similarly by the 7 T-ML method. Unless provided in the caption above, the following copyright applies to the content of this slide: Copyright © 2018 by the Congress of Neurological SurgeonsThis article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( Neurosurgery, Volume 84, Issue 3, 24 May 2018, Pages 749–757, The content of this slide may be subject to copyright: please see the slide notes for details.
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FIGURE 3. A typical example of the 7 T-ML method accurately predicts the MER detected STN and correctly classifies the ... FIGURE 3. A typical example of the 7 T-ML method accurately predicts the MER detected STN and correctly classifies the location of individual contacts. Chronic electrode (model Medtronic-3389) superimposed on the MER; A, and on the predicted subthalamic nucleus (STN) and the clinical MRI (B, Sagittal view of right STN). The prediction perfectly matches the MER data: contacts 0 and 1 are inside the STN, contact 2 partially intersects it, and contact 3 is outside and dorsal to the STN. Unless provided in the caption above, the following copyright applies to the content of this slide: Copyright © 2018 by the Congress of Neurological SurgeonsThis article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( Neurosurgery, Volume 84, Issue 3, 24 May 2018, Pages 749–757, The content of this slide may be subject to copyright: please see the slide notes for details.
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