[Studies of sudanophilia and PAS-positive substances in the neutrophils of persons chronically exposed to carbon disulfide].

In 30 men chronically exposed to CS2, p.a.S. -- positive substances (glycogen) and sudanophilia (lipids) have been investigated in peripheral blood neutrophils. No statistically significant differences have been found in the intensity of p.a.S. reaction and sudanophilia, estimated by the "score" method, between the neutrophils of those chronically CS2 exposed and neutrophils of healthy blood donors. Mean intensities of both test reactions have been higher in CS2 exposed subjects. The decrease in the ability of phagocytosis of neutrophils in those chronically CS2 exposed, found in the previous studies, does not result from the deficiency of spare substances in those blood cells.