Optical properties of brain tissues at the different stages of glioma development in rats: pilot study.
Journal
Biomedical optics express
ISSN: 2156-7085
Titre abrégé: Biomed Opt Express
Pays: United States
ID NLM: 101540630
Informations de publication
Date de publication:
01 Oct 2019
01 Oct 2019
Historique:
received:
26
06
2019
revised:
04
09
2019
accepted:
06
09
2019
entrez:
25
10
2019
pubmed:
28
10
2019
medline:
28
10
2019
Statut:
epublish
Résumé
In this paper, measurements of the optical properties (diffuse reflectance, total and collimated transmittance) of brain tissues in healthy rats and rats with C6-glioma were performed in the spectral range from 350 to 1800 nm. Using these measurements, characteristic tissue optical parameters, such as absorption coefficient, scattering coefficient, reduced scattering coefficient, and scattering anisotropy factor were reconstructed. It was obtained that the 10-day development of glioma led to increase of absorption coefficient, which was associated with the water content elevation in the tumor. However, further development of the tumor (formation of the necrotic core) led to decrease in the water content. The dependence of the scattering properties on the different stages of model glioma development was more complex. Light penetration depth into the healthy and tumor brain was evaluated.
Identifiants
pubmed: 31646040
doi: 10.1364/BOE.10.005182
pii: 370704
pmc: PMC6788608
doi:
Types de publication
Journal Article
Langues
eng
Pagination
5182-5197Informations de copyright
© 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.
Déclaration de conflit d'intérêts
The authors declare that there are no conflicts of interest related to this article.
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