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Related Experiment Videos

Progress in early breast cancer detection.

D E Henson1, L A Ries

  • 1Division of Cancer Prevention and Control, National Cancer Institute, Bethesda, MD 20892.

Cancer
|May 1, 1990
PubMed
Summary
This summary is machine-generated.

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Early breast cancer detection efforts show progress, with increased incidence of early-stage and in situ cases noted after 1982. This trend correlates with enhanced screening, leading to reduced mortality in some populations.

Area of Science:

  • Oncology
  • Public Health
  • Epidemiology

Background:

  • Breast cancer screening practices have evolved significantly.
  • Early detection is a key strategy in managing breast cancer outcomes.
  • Population-based screening programs aim to identify cancer at earlier, more treatable stages.

Purpose of the Study:

  • To evaluate the impact of increased breast cancer screening on detection rates.
  • To assess trends in the incidence of early-stage and in situ breast cancer.
  • To examine the relationship between screening efforts and breast cancer mortality.

Main Methods:

  • Analysis of breast cancer incidence data from 1982 onwards.
  • Examination of trends in early-stage and in situ breast cancer diagnoses.

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  • Review of mortality data, specifically in the San Francisco-Oakland Bay area since 1973.

    • Main Results:

    • A notable increase in breast cancer incidence was observed after 1982, attributed to enhanced screening.
    • The rise in incidence was particularly pronounced for early-stage and in situ breast cancer.
    • A statistically significant decrease in breast cancer mortality was reported for white women in the San Francisco-Oakland Bay area since 1973.

    Conclusions:

    • Evidence suggests that increased screening has improved the early detection of breast cancer.
    • The observed trends support the continued implementation and advancement of early breast cancer detection strategies.
    • Early detection initiatives appear to contribute to reduced breast cancer mortality in specific demographic groups.