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Diffuse reflectance...
Diffuse reflectance spectroscopy measurements for tissue type discrimination during deep brain stimulation
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- Antonsson, Johan (författare)
- Linköpings universitet,Biomedicinsk instrumentteknik,Tekniska högskolan
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- Eriksson, Ola (författare)
- Linköpings universitet,Biomedicinsk instrumentteknik,Tekniska högskolan
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- Blomstedt, Patric (författare)
- Umeå universitet,Neurokirurgi,Department of Neurosurgery, University Hospital, Umeå, Sweden
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- Bergenheim, A Tommy (författare)
- Umeå universitet,Neurokirurgi,Department of Neurosurgery, University Hospital, Umeå, Sweden
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- Hariz, Marwan I (författare)
- Umeå universitet,Neurokirurgi,Department of Neurosurgery, University Hospital, Umeå, Sweden
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- Richter, Johan (författare)
- Linköpings universitet,Tekniska högskolan,Biomedicinsk instrumentteknik,MINT
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- Zsigmond, Peter (författare)
- Linköpings universitet,Neurokirurgi,Hälsouniversitetet
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- Wårdell, Karin (författare)
- Linköpings universitet,Biomedicinsk instrumentteknik,Tekniska högskolan,MINT
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(creator_code:org_t)
- 2008-05-06
- 2008
- Engelska.
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Ingår i: Journal of neural engineering. - : IOP Publishing. - 1741-2560 .- 1741-2552. ; 5:2, s. 185-190
- Relaterad länk:
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http://urn.kb.se/res...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Diffuse reflectance spectroscopy as a method for improving intracerebral guidance during functional neurosurgery has been investigated. An optical probe was developed for measurements during stereotactic and functional neurosurgery in man. The aim of the study was to investigate the spectral differences between white and grey matter and between white matter and functional targets. Diffuse reflectance spectroscopy measurements in ten patients were recorded at incremental steps towards and in three different functional targets (STN, GPi and Zi). The recorded spectra along the trajectory were sorted into white or grey matter, based on preoperative MRI images or the recorded spectral shape and intensity. The difference between tissue types was calculated as a quotient. Significant intensity differences between white and grey matter were found to be at least 14% (p < 0.05) and 20% (p < 0.0001) for MRI and spectral-sorted data respectively. The reflectance difference between white matter and the functional targets of GPi was higher than for STN and Zi. The results indicate that diffuse reflectance spectroscopy has a potential to be developed to a suitable complement to other intracerebral guidance methods.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Nyckelord
- TECHNOLOGY
- TEKNIKVETENSKAP
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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