Recent Increasing Incidence of Early-Stage Cervical Cancers of the Squamous Cell Carcinoma Subtype among Young Women

Few studies have reported on the increase in cervical cancer incidence in Japan. We aimed to determine the relevant trends in the metropolitan regions of Japan and to identify the population with the highest risk, based on histological subtype, cancer stage, and diagnostic processes. Using populatio...

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Veröffentlicht in:International journal of environmental research and public health 2020-10, Vol.17 (20), p.7401
Hauptverfasser: Noguchi, Takafumi, Zaitsu, Masayoshi, Oki, Izumi, Haruyama, Yasuo, Nishida, Keiko, Uchiyama, Koji, Sairenchi, Toshimi, Kobashi, Gen
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container_title International journal of environmental research and public health
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creator Noguchi, Takafumi
Zaitsu, Masayoshi
Oki, Izumi
Haruyama, Yasuo
Nishida, Keiko
Uchiyama, Koji
Sairenchi, Toshimi
Kobashi, Gen
description Few studies have reported on the increase in cervical cancer incidence in Japan. We aimed to determine the relevant trends in the metropolitan regions of Japan and to identify the population with the highest risk, based on histological subtype, cancer stage, and diagnostic processes. Using population-based data (2009-2013), we identified 2110 women, aged ≥20 years, with cervical cancer. We estimated the age-standardized and age-specific incidence rates of cervical cancer for the study period based on the 1985 national model population. The average annual percent change (AAPC) and 95% confidence interval (CI) were calculated using the joinpoint regression analysis. We stratified the analyses based on histological subtypes, stage, and diagnostic process via cancer screening. The increase in the overall age-standardized incidence was not significant. However, the increase was significant for women aged 30-39 years (AAPC 20.0%/year, 95% CI: 9.9-31.1), which was attributable to the increase in the incidence of the squamous cell carcinoma (SCC) subtype (AAPC 23.1%/year, 95% CI: 10.7-36.8). Among younger women, aged
doi_str_mv 10.3390/ijerph17207401
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subjects Adult
Age
Cancer screening
Carcinoma, Squamous Cell - epidemiology
Cervical cancer
Cervix
Confidence intervals
Datasets
Developing countries
Diagnostic systems
Early Detection of Cancer
Female
Histology
Human papillomavirus
Humans
Immunization
Incidence
Industrialized nations
Japan - epidemiology
LDCs
Medical screening
Metastasis
Metropolitan areas
Middle Aged
Population
Prevention
Regression analysis
Squamous cell carcinoma
Statistical analysis
Trends
Uterine Cervical Neoplasms - epidemiology
Womens health
title Recent Increasing Incidence of Early-Stage Cervical Cancers of the Squamous Cell Carcinoma Subtype among Young Women
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