Compression as a method for increasing the informativity of optical coherence tomography of biotissues |
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| Authors: | P. D. Agrba M. Yu. Kirillin A. I. Abelevich E. V. Zagaynova V. A. Kamensky |
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| Affiliation: | 1.Lobachevsky State University,Nizhni Novgorod,Russia;2.Institute of Applied Physics,Russian Academy of Sciences,Nizhni Novgorod,Russia;3.Nizhni Novgorod State Medical Academy,Nizhni Novgorod,Russia |
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| Abstract: | The efficiency of the mechanical compression of biotissues for improving the differentiation between pathological changes in the structure of a biotissue observed by the method of optical coherence tomography (OCT) is investigated. The effect of the compression in the OCT-images of samples of the human rectum affected by inflammation and carcinoma is studied ex vivo. It is shown that the use of compression makes it possible to differentiate between these pathological changes. To interpret experimental data, images of an inflamed part of rectum are modeled by the Monte Carlo method for different degrees of compression. The results of modeling agree qualitatively with the experimental data. |
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