Abstract
The presence or absence of blood group isoantigens in 78 patients with transitional cell carcinoma of the bladder was correlated with tumor stage and grade, and results of chromosomal analysis. For blood group isoantigen detection the indirect immunoperoxidase method with monoclonal antibodies to A, B and H antigen was used. In 51 per cent of the 59 superficial tumors blood group isoantigens were demonstrable, whereas all deeper infiltrating and higher grade tumors were negative. However in superficial tumors the mode of blood group isoantigen expression did not correlate significantly with tumor recurrence and progression. A consistent correlation was demonstrated among chromosomal numbers, tumor grade and clinical course. The chromosomal abnormalities found and mode of blood group isoantigen expression, even in combination, had no prognostic value additional to the grading criteria used. (J. Urol, 140: 959”963, 1988)
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