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Related Experiment Videos

Screening for breast cancer

D Panoussopoulos, J Chang, L J Humphrey

    Annals of Surgery
    |September 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Mammography aids surgeons in evaluating breast issues. However, interval cancers reduce screening accuracy to 73%, highlighting the need to balance benefits and risks in early breast cancer detection.

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    Area of Science:

    • Oncology
    • Radiology
    • Public Health

    Background:

    • Mammography is a valuable tool for evaluating breast problems.
    • Its use in early breast cancer detection involves a benefit-risk assessment.
    • The concept of 'interval cancer' presents a challenge to screening efficacy.

    Purpose of the Study:

    • To introduce the impact of interval cancers on mammography's benefit-risk evaluation.
    • To quantify the reduction in screening accuracy due to interval cancers.

    Main Methods:

    • Analysis of data from a breast cancer demonstration project at KUMC.
    • Review of biopsy results and incidence of interval cancers between screenings.

    Main Results:

    • Out of 326 biopsies, 65 were malignant.

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  • 24 additional interval cancers were identified before the next scheduled screening.
  • The combined accuracy of mammography and physical examination was reduced to 73%.

    • Conclusions:

    • Interval cancers significantly impact the perceived accuracy of breast cancer screening.
    • The benefit-risk assessment of mammography must account for interval cancers.
    • Further research is needed to improve early detection rates and reduce interval cancer incidence.