Terahertz spectroscopy of liver cirrhosis: Investigating the origin of contrast
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AbstractWe have previously demonstrated that terahertz pulsed imaging is able to distinguish between rat tissues from different healthy organs. In this paper we report our measurements of healthy and cirrhotic liver tissues using terahertz reflection spectroscopy. The water content of the fresh tissue samples was also measured in order to investigate the correlations between the terahertz properties, water content, structural changes and cirrhosis. Finally, the samples were fixed in formalin to determine whether water was the sole source of image contrast in this study. We found that the cirrhotic tissue had a higher water content and absorption coefficient than the normal tissue and that even after formalin fixing there were significant differences between the normal and cirrhotic tissues' terahertz properties. Our results show that terahertz pulsed imaging can distinguish between healthy and diseased tissue due to differences in absorption originating from both water content and tissue structure. © 2010 Institute of Physics and Engineering in Medicine.
All Author(s) ListSy S., Huang S., Wang Y.-X.J., Yu J., Ahuja A.T., Zhang Y.-T., Pickwell-MacPherson E.
Journal namePhysics in Medicine and Biology
Volume Number55
Issue Number24
PublisherInstitute of Physics Publishing
Place of PublicationUnited Kingdom
Pages7587 - 7596
LanguagesEnglish-United Kingdom

Last updated on 2021-16-01 at 01:16