During this last decade, flow cytometry (FCM) has been widely investigated and employed in assessing the DNA content of bladder tumours. The prognostic value of FCM is recognised by the majority of investigators, above all when it concerns superficial transitional cell carcinoma of the bladder. The determination of ploidy and the degree of aneuploidy seem to offer valuable prognostic information. The Authors have reviewed Literature on this subject, identifying three different categories of studies that analyse the relation of FCM to cytohystological characterisation, to the clinical behaviour of the tumours and to the patients’ survival.
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