[Regional registration study of uterine neoplasia in Niigata Prefecture]

In this study, we examined the incidence of the uterine neoplasia in Niigata prefecture on the basis of the data collected by the Niigata Gynecologic Cancer Registry between 1982 and 1984. The results are as follows: The registered cases with dysplasia (Dysp.), cervical carcinoma in situ (CIS), cervical invasive carcinoma (Inv. Ca.) and endometrial carcinoma (End. Ca) were 358, 147, 530 and 141, respectively. One hundred and ninety-six cases with Dysp., 81 cases with CIS, 99 cases with Inv. Ca. and 10 cases with End. Ca. were detected by mass cancer screening. The crude incidence rate for Dysp., CIS, Inv. Ca. and End. Ca. was 9.44, 3.88, 13.98 and 3.72, respectively. The age standardized incidence rate (all age, world population) for Dysp., CIS, Inv. Ca. and End. Ca. was 7.48, 3.08, 9.45 and 2.63, respectively. The age standardized incidence rate (over 30 years, world population) for Dysp., CIS, Inv. Ca, and End. Ca. was 16.48, 6.77, 21.00 and 5.90, respectively. The lifetime incidence rate for uterine carcinoma in women aged 0 approximately 75 years was 1.65%.