[Histo- and cytochemical enzymatic characteristics of breast cancer]

In most of the cases studied, histo- and cytoenzymochemical values of metabolism in cancer of the mammary gland correlate with the histological type, differentiation level and the degree of the tumor malignancy. As the histological degree of malignancy increases and the level of differentiation of the mammary cancer decreases, the activity of glycolysis and pentous shunt enzymes, lactate dehydrogenase and glucose-6-phosphate dehydrogenase, increases and that of the Krebs cycle enzymes, succinate and malate dehydrogenase, as well as the enzyme of glycerophosphate shuttle mechanism and oxidation of glycerol-L-glycerophosphate dehydrogenase decreases simultaneously. These data suggest that histo- and cytochemical methods of the enzyme activity determinations may be used for the specification of the prognosis and choosing of the auxiliary methods for the therapy of the mammary gland cancer based both on morphology and metabolism of the tumour.