Non-invasive optical method for evaluating the oxygen status in breast neoplasms

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Abstract

The paper presents the results from a study of the breast oxygen status by diffuse optical tomography (DOT). Detection of breast tissue at wavelengths of 684, 794, and 850 nm could provide information on the distribution of basic tissue chromophores: oxygenized and deoxygenized hemoglobin. Normal breast tissue was characterized by the even distribution of these compounds and stabilization of their level. In breast cancer, the distribution of oxy- and deoxyhemoglobin was noted for uneven distribution and blood oxygen saturation was lower in the projection of a tumor nodule. The blood oxygen saturation data obtained by DOT demonstrate physiological differ- ences between normal and tumor tissues in different tumor areas.

About the authors

A. V. Maslennikova

Nizhni Novgorod State Medical Academy;
Institute of Applied Physics, Russian Academy of Sciences, Nizhni Novgorod

Author for correspondence.
Email: maslennikova.anna@gmail.com
Russian Federation

G. Yu. Golubyatnikov

Institute of Applied Physics, Russian Academy of Sciences, Nizhni Novgorod

Russian Federation

A. G. Orlova

Institute of Applied Physics, Russian Academy of Sciences, Nizhni Novgorod

Russian Federation

V. I. Plekhanov

Institute of Applied Physics, Russian Academy of Sciences, Nizhni Novgorod

Russian Federation

A. A. Artifeksova

Nizhni Novgorod State Medical Academy;
Institute of Applied Physics, Russian Academy of Sciences, Nizhni Novgorod

Russian Federation

N. M. Shakhova

Nizhni Novgorod State Medical Academy;
Institute of Applied Physics, Russian Academy of Sciences, Nizhni Novgorod

Russian Federation

V. A. Kamensky

Institute of Applied Physics, Russian Academy of Sciences, Nizhni Novgorod

Russian Federation

I. V. Turchin

Institute of Applied Physics, Russian Academy of Sciences, Nizhni Novgorod

Russian Federation

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