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[Adoptive laser immunotherapy and photodynamic therapy in ORL oncology].

Present-day developments in oncological applications of laser therapy are adaptive laser immunotherapy (ALIT) and photodynamic therapy (PDT). ALIT (helium-neon laser) was used in 35 ENT-cancer patients to irradiate immunocompetent leukocytes isolated from blood in an Amino cell separator. The use of ALIT in the combined treatment of our patients improved their health condition. Cytological, immunochemical and immunological examinations of blood revealed an increased count of activated lymphocytes, normalization of acute-phase proteins, stimulation of cell-mediated immunity and nonspecific resistance. The pharmacokinetics and photodynamic activity of porphyrin compounds in mice with inoculated tumors were investigated. Experimental observations demonstrated that the application of photodynamic therapy of hematoporphyrins in ENT-oncology seems very promising.