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  Thalamus segmentation based on the local diffusion direction: A group study

Mang, S., Busza, A., Reiterer, S., Grodd, W., & Klose, W. (2012). Thalamus segmentation based on the local diffusion direction: A group study. Magnetic Resonance in Medicine, 67(1), 118-126. doi:10.1002/mrm.22996.

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Mang, SC, Author
Busza, A, Author
Reiterer, S, Author
Grodd, W1, Author              
Klose, W, Author
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1Department of Psychiatry, Psychotherapy and Psychosomatics, University Hospital Aachen, ou_persistent22              

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 Abstract: Fast and accurate segmentation of deep gray matter regions in the brain is important for clinical applications such as surgical planning for the placement of deep brain stimulation implants. Mapping anatomy from stereotactic atlases to patient data is problematic because of individual differences in subject anatomy that are not accounted for by commonly used atlases. We present a segmentation method for individual subject diffusion tensor MR data that is based on local diffusion information to identify subregions of the thalamus. We show the correspondence of our segmentation results to anatomy by comparison with stereotactic atlas data. Importantly, we verify the consistency of our segmentation by evaluating the method on 63 healthy volunteers. Our method is fast, reliable, and independent of any segmentation before the classification of regions within the thalamus. It should, therefore, be useful in clinical applications.

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 Dates: 2012-01
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1002/mrm.22996
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Title: Magnetic Resonance in Medicine
Source Genre: Journal
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Publ. Info: New York : Wiley-Liss
Pages: - Volume / Issue: 67 (1) Sequence Number: - Start / End Page: 118 - 126 Identifier: ISSN: 0740-3194
CoNE: https://pure.mpg.de/cone/journals/resource/954925538149