Evaluation of Biological Markers in Bladder Cancer

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Abstract
The value of biological markers of bladder cancer was studied in 66 patients. The markers included serum and urine carcinoembryonic antigens, serum and urine fibrinogen degradation products, total lymphocyte counts, urine lymphocytes and urine cytology. A high degree of accuracy (90 per cent) was found in correlating cytology and urinary fibrinogen degradation products with the activity of the disease. Serum and urine carcinoembryonic antigens, serum fibrinogen degradation products, total lymphocyte counts and urine lymphocytes were found to have no value in screening bladder cancer patients. Urinary fibrinogen degradation products and cytology in combination are recommended for screening and followup of patients at high risk.