Cancer de los organos genitales y de mama en mujeres de la ciudad de Mexico

Abstract

A study was made of the incidence of malignant genital and breast cancers in women in Mexico City during 1983 by frequency, anatomical location, patient age, treating health institutions, and histologic type. The most frequent tumor was carcinoma of cervix uteri (22,2 percent) followed by that of the breast (11 percent), the uterus exclusive of the cervix (2,6 percent) and ovary (2,6 percent), the vulva and vagina (1 percent), and the placenta (0,1 percent). Breast, cervical, and uterine neoplasms were infrequent before the 24th year; conversely, 16,3 percent of the ovarian tumors occurred before that age. Tumors of the ovary and cervix predominated in the age group from 25 to 34 years old (23,8 percnet). Uterine cancer predominated in the group from 45 to 54 years with 26,3 percent, which rose to 41,7 percent in women 55 and older. Hospitals of the Mexican Social Security Institute and the Secretariat for Health each accounted for 35,8 percent and 33,5 percent of the cases, respectively, leaving 14 percent treated in hospitals of the Institute of Social Security and Social Services for Government Workers, 7,9 percent in private hospitals and 5,9 percent in other institutions. The most frequent histologic types were epidermoid carcinoma of cervix (89 percent), followed by adenocarcinoma of ovary (61 percent), of body of uterus (60 percent) and of breast (57 percent); neoplasm of germinal