Diffuse reflection spectra of biotissues in vivo and transmission and reflection coefficients for biotissues in vitro are measured over 300–800 nm. These data are used to determine the spectral absorption and scattering indices and the scattering anisotropy factor for stomach mucous membranes under normal and various pathological conditions (chronic atrophic and ulcerous defects, malignant neoplasms). The most importan tphysiological (hemodynamic and oxygenation levels) and structural-morphological (scatterer size and density) parameters are also determined. The results of a morphofunctional study correlate well with the optical properties and are consistent with data from a histomorphological analysis of the corresponding tissues.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 78, No. 1, pp. 104–113, January–February, 2011.
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Giraev, K.M., Ashurbekov, N.A. & Lakhina, M.A. Optical absorption and scattering spectra of pathological stomach tissues. J Appl Spectrosc 78, 95–102 (2011). https://doi.org/10.1007/s10812-011-9430-0
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DOI: https://doi.org/10.1007/s10812-011-9430-0