[Intraepithelial carcinoma and invasive carcinoma of the vulva, vagina and penis in Ile-de-france. Enquete PETRI on 423 cases].

Objective: Precancerous and invasive carcinoma of the external genitalia and of the vagina are rare tumors and their incidence is not very well known in the Paris region. The objective of this study was to evaluate the frequency of precancerous and invasive lesions of the vulva, the vagina and the penis as well as their variation according to age.

Methods: A prospective study was conducted implicating private and public pathology laboratories in Paris and the seven departments around.

[The Hemoccult II test: results of 16 years of screening tests at the Tumor Prevention Service of the City of Paris].

Objective: Colorectal cancer is a major health problem causing high mortality and short survival after diagnosis. Both the cancer itself and its precancerous lesion, the adenomatous polyp, can provoke occult bleeding. Screening programs for cancer of the colon use the Hemocult II test to detect such occult bleeding.

[Risk factors for tumors of the bladder. Epidemiological study of 701 patients in Ile-de-France].

The authors present the results of an investigation conducted, under the aegis of the PETRI association, on 701 patients living in the Paris region who, over a 1-year period, had asked the medical advisers of the Social Security Sickness Benefits department to dispense them from paying their portion of the cost of treatment on the ground that they had cancer of the bladder*. The purposes of the investigation were to obtain accurate data concerning the role played by tobacco and alcohol abuse in bladder cancer and to look for possible occupational exposures. The smoking and drinking habits of 636 patients could be analyzed: 89 percent of the men were, or had been, smokers with an average consumption of 33 packs per annum, and with a frequent overconsumption of alcoholic drinks.