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Evaluating cervical cancer screening programmes for developing countries

C Sherlaw-Johnson1, S Gallivan, D Jenkins

  • 1Clinical Operational Research Unit, University College London, UK. c.sherlaw-johnson@ucl.ac.uk

International Journal of Cancer
|July 17, 1997
PubMed
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Implementing a one-time cervical cancer screening for women aged 30-59 can significantly reduce invasive cancer incidence by up to 30%. This approach is more resource-efficient than frequent screening programs in low-resource settings.

Area of Science:

  • Oncology
  • Public Health
  • Epidemiology

Background:

  • Cervical cancer screening programs are limited in low-resource regions.
  • Infrequent and one-time screening strategies are being explored to maximize coverage.

Purpose of the Study:

  • To evaluate cervical screening programs for resource-scarce areas.
  • To compare the effectiveness of cytology and human papillomavirus (HPV) testing for primary screening.
  • To assess the impact on invasive cancer incidence and resource utilization.

Main Methods:

  • A stochastic model simulating pre-cancer progression, HPV infection, and diagnostic accuracy was used.
  • Different screening program scenarios were evaluated.
  • Key factors included available resources and population coverage.

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Main Results:

  • A one-time screening of women aged 30-59 could reduce invasive cancer incidence by up to 30%.
  • Concentrating screening on ages 30-59 is more resource-effective than wider age groups.
  • The effectiveness of HPV testing versus cytology depends on HPV prevalence, accuracy, cost, and field suitability.

Conclusions:

  • One-time, broad-coverage cervical screening is a viable strategy for reducing invasive cancer in low-resource settings.
  • Targeting women aged 30-59 optimizes resource use.
  • The choice between HPV testing and cytology requires careful consideration of local context and resources.