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  • Title: An epidemiologic study of cancer of the cervix, vagina, and vulva based on the Third National Cancer Survey in the United States.
    Author: Henson D, Tarone R.
    Journal: Am J Obstet Gynecol; 1977 Nov 01; 129(5):525-32. PubMed ID: 199064.
    Abstract:
    Cases of invasive and in situ carcinoma of the lower female genital tract as reported in the Third National Cancer Survey in the United States were analyzed according to age, race, and geographic distribution. Results indicate that the incidence rates of in situ and invasive carcinoma of the cervix were greater in black than in white women, with a relative risk rate for black women of approximately two for both types of cervical carcinoma. For white women, the age-specific rates for invasive carcinoma of the cervix remained relatively constant after age 45, while for black women the age-specific rates for invasive carcinoma continued to increase after age 45. For both races, the patterns of age-specific incidence rates for in situ and invasive carcinoma of the cervix were not similar to those for carcinoma of the vagina or vulva. The pattern of age-specific incidence rates of adenocarcinoma of the cervix did not resemble those for in situ or invasive squamous cell carcinoma of the cervix. The rates for adenocarcinoma of the cervix demonstrated patterns similar to those for intraductal carcinoma of the breast. Results of the study are discussed in relationship to the field theory of carcinogenesis as developed for the lower female genital tract.
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