Blood analysis with the use of automated analyzer H-1 (Technicon), carried out in 31 subjects who were engaged in liquidation of the power plant accident aftereffects 3 years following their work at the station, has revealed elevated red cell counts, elevated counts of peripheral blood large nondifferentiated cells, dose-dependent increase of neutrophil count, reduced counts of lymphocytes and basophils, enlarged nuclear size in mononuclears and reduced optic density of these cells.
Specific features of the cytologic picture were studied and the criteria of the cytologic verification of the tumor type and genetic appurtenance defined in cytologic studies of puncture biopsy specimens, removed tumor impressions, scrapings off, and histologic sections in the patients with malignant tumors of the synovial tissue. Analysis of the results of histologic studies has demonstrated the potentialities of the puncture cytologic method in the combined preoperative diagnosis of synovial sarcomas.
Histologic and cytologic parallels in 9 cases with malignant schwannomas were correlated to findings in preparations of verified fibrosarcomas and muscular sarcomas, characterized by a similar cytomorphologic picture, in order to define the cytologic differential diagnostic criteria of nerve tissue malignant tumors. Preoperative and suboperative specimens were under study. Analysis of the results evidences that in the majority of cases malignant schwannoma cytogram can be correctly verified if the level of tumor cell differentiation and the respective cytomorphologic shifts be taken into consideration, this being of paramount importance both for the choice of the treatment strategy and for the prognosis.
Glucose nonfermenting gram-negative bacteria were electrophoretically typed for the extracellular protein spectra. The method permits differentiation on the generic level the cultures of such bacteria, characterized by atypical biochemistry, within 10 hours.
A new method for measuring serum and tissue antioxidative activity is based on a relationship between accumulation of lipid peroxidation (LPO) products in incubation medium and the amount of the substrate during LPO activation. The ratio of malonic dialdehyde accumulation during LPO activation in two samples of different volumes is proposed as an index of antioxidative activity.
A method for measuring the anticoagulant activities of plasma low- and medium-molecular fractions is described. Use of this method permits differentiation between bleedings induced by high blood levels of these substances.
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