Effect of organized screening on the risk of cervical cancer. Evaluation of screening activity in iceland, 1964–1991
Abstract The Icelandic Cancer Society launched a screening programme for cervical cancer in June 1964. The aim was to lower the incidence and mortality rates by screening the age group 25—69 at 2‐ to 3‐year intervals. This report analyses the trends in invasive and pre‐invasive disease and the distr...
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crwiley:10.1002/ijc.2910540408 2024-06-23T07:54:06+00:00 Effect of organized screening on the risk of cervical cancer. Evaluation of screening activity in iceland, 1964–1991 Sigurdsson, Kristján 1993 http://dx.doi.org/10.1002/ijc.2910540408 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fijc.2910540408 https://onlinelibrary.wiley.com/doi/pdf/10.1002/ijc.2910540408 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor International Journal of Cancer volume 54, issue 4, page 563-570 ISSN 0020-7136 1097-0215 journal-article 1993 crwiley https://doi.org/10.1002/ijc.2910540408 2024-06-04T06:47:19Z Abstract The Icelandic Cancer Society launched a screening programme for cervical cancer in June 1964. The aim was to lower the incidence and mortality rates by screening the age group 25—69 at 2‐ to 3‐year intervals. This report analyses the trends in invasive and pre‐invasive disease and the distribution of stage and histology, and also evaluates the attendance, the target age group and the screening interval. Before screening, the inci dence and mortality rates were on the increase but both have since fallen significantly. Screening greatly affected the rate of microinvasive and stage ≧11 squamous‐cell carcinomas but not the rate of adeno‐ and adenosquamous carcinoma. The mean age at detection of invasive cancer has decreased significantly and cancer has become practically non‐existent among correctly screened subjects over the age of 69. Among younger women the rates of moderate and severe pre‐invasive lesions at first visit increased significantly after 1980. The rate of these lesions was fairly consistently high only I year after the first normal visit. It is concluded that organized screening, coordinated with spontaneous activity, is effective in reducing the risk of cervical cancer. Regular high attendance and strict follow‐up of abnormal cases is a prerequisite for good screening results. Screening should preferably start at about the age of 20 and extend to 60–69 years of age, depending on the number of negative smears by that age. Screening can safely start with a screening interval of 2 to 3 years, but this interval can probably be extended to 4 or 5 years at older ages. Article in Journal/Newspaper Iceland Wiley Online Library International Journal of Cancer 54 4 563 570 |
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English |
description |
Abstract The Icelandic Cancer Society launched a screening programme for cervical cancer in June 1964. The aim was to lower the incidence and mortality rates by screening the age group 25—69 at 2‐ to 3‐year intervals. This report analyses the trends in invasive and pre‐invasive disease and the distribution of stage and histology, and also evaluates the attendance, the target age group and the screening interval. Before screening, the inci dence and mortality rates were on the increase but both have since fallen significantly. Screening greatly affected the rate of microinvasive and stage ≧11 squamous‐cell carcinomas but not the rate of adeno‐ and adenosquamous carcinoma. The mean age at detection of invasive cancer has decreased significantly and cancer has become practically non‐existent among correctly screened subjects over the age of 69. Among younger women the rates of moderate and severe pre‐invasive lesions at first visit increased significantly after 1980. The rate of these lesions was fairly consistently high only I year after the first normal visit. It is concluded that organized screening, coordinated with spontaneous activity, is effective in reducing the risk of cervical cancer. Regular high attendance and strict follow‐up of abnormal cases is a prerequisite for good screening results. Screening should preferably start at about the age of 20 and extend to 60–69 years of age, depending on the number of negative smears by that age. Screening can safely start with a screening interval of 2 to 3 years, but this interval can probably be extended to 4 or 5 years at older ages. |
format |
Article in Journal/Newspaper |
author |
Sigurdsson, Kristján |
spellingShingle |
Sigurdsson, Kristján Effect of organized screening on the risk of cervical cancer. Evaluation of screening activity in iceland, 1964–1991 |
author_facet |
Sigurdsson, Kristján |
author_sort |
Sigurdsson, Kristján |
title |
Effect of organized screening on the risk of cervical cancer. Evaluation of screening activity in iceland, 1964–1991 |
title_short |
Effect of organized screening on the risk of cervical cancer. Evaluation of screening activity in iceland, 1964–1991 |
title_full |
Effect of organized screening on the risk of cervical cancer. Evaluation of screening activity in iceland, 1964–1991 |
title_fullStr |
Effect of organized screening on the risk of cervical cancer. Evaluation of screening activity in iceland, 1964–1991 |
title_full_unstemmed |
Effect of organized screening on the risk of cervical cancer. Evaluation of screening activity in iceland, 1964–1991 |
title_sort |
effect of organized screening on the risk of cervical cancer. evaluation of screening activity in iceland, 1964–1991 |
publisher |
Wiley |
publishDate |
1993 |
url |
http://dx.doi.org/10.1002/ijc.2910540408 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fijc.2910540408 https://onlinelibrary.wiley.com/doi/pdf/10.1002/ijc.2910540408 |
genre |
Iceland |
genre_facet |
Iceland |
op_source |
International Journal of Cancer volume 54, issue 4, page 563-570 ISSN 0020-7136 1097-0215 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1002/ijc.2910540408 |
container_title |
International Journal of Cancer |
container_volume |
54 |
container_issue |
4 |
container_start_page |
563 |
op_container_end_page |
570 |
_version_ |
1802646062540783616 |