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Intrasurgical diagnostics of lymphatic nodes metastasis using laser-induced autofluorescence

New method of intrasurgical diagnostics of metastasis in lymphatic nodes is based on the determination of investigated tissue autofluorescence spectra peculiarities. Statistical data demonstrate correlations between criteria of spectral analysis and morphological data. High sensitivity of spectroscopical technique, good choice of laser source for autofluorescence excitation (HeNe laser (lambda) equals 633 nm) and convenient non-invasive procedure of express diagnostics provide identification of metastasis presence in lymphatic nodes with a specifity 95%.