FIELD: medicine.
SUBSTANCE: invention relates to medicine, namely to oncology, and can be applied for fluorescent diagnostics of malignant neoplasms. By means of light source with wavelength 385-469 nm boundaries and character of fluorescent nidus of lymph nodes are estimated after I level lymphadenectomy. If bright red glow of entire volume of lymph node or fluorescence in form of nidus inside lymph node is present, its metastatic affection is diagnosed. Fluorescence in form of "scalloped" rim on the border of lymph node indicates absence of metastatic affection.
EFFECT: invention makes it possible to prevent total lymphadenectomy due to intraoperative detection of metastatic affection of lymph nodes.
2 ex
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