[Descriptive epidemiologic study of 514 cases of bladder cancer]

A descriptive epidemiological study was conducted on the characteristics and risk factors of 514 cases of bladder cancer. The results show a higher prevalence in males aged 70 or older. A higher incidence was found in those with a lower occupational level. There is a relationship with smoking and a Quetelet obesity score higher than normal. Anatomo-pathologically, the transitional cell type was the most common. A history of hematuria and obstructive disorders, basically arising from the prostate, were frequently found.