Abstract
Mobilization of granulocytes into a serum-filled chamber, histochemical nitroblue tetrazolium (NBT) reduction tests, and phagocytosis were performed in 11 patients with solid tumors treated with surgical excision and chemotherapy and in 22 untreated or surgically treated patients. The results revealed a decreased mobilization (p less than 0.001) and an impaired capability of neutrophils to reduce NBT after stimulation (p less than 0.05) in both groups of patients. The decrease in the values in the stimulated reduction of NBT was more pronounced in untreated patients than in treated ones. At the same time the phagocytic activity of neutrophils on Candida albicans, which was decreased (p less than 0.01) in untreated patients, was normal in those who had been treated with chemotherapy. There were no distinctive correlations between circulating immune complexes and granulocyte function. We propose that this newly demonstrated defect in neutrophil mobilization and low median C. albicans-stimulated NBT reduction contributes more in the evolution of the tumor than in the pathogenesis of infections and that chemotherapy seems to restore a better granulocyte function.
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