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Related Experiment Videos

Combination of screening and preoperative endocrine therapy: the potential for an important decrease in prostate

F Labrie1, L Cusan, J L Gomez

  • 1Prostate Cancer Research Unit, CHUL Research Center, Le Centre Hospitalier de l'Université Laval, Quebec, Canada.

The Journal of Clinical Endocrinology and Metabolism
|July 1, 1995
PubMed
Summary
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Early screening for prostate cancer, using prostate-specific antigen (PSA) tests and digital rectal exams, can double the number of curable cases. Despite controversies, advances in screening and surgery offer better outcomes for early-stage prostate cancer detection.

Area of Science:

  • Urology
  • Oncology
  • Public Health

Background:

  • Prostate cancer is a leading cause of cancer death in men, with significant medical and social impact.
  • Early detection and treatment are crucial for reducing mortality, yet screening remains controversial.
  • Recent advancements in screening and surgical techniques have improved treatment efficacy and patient outcomes.

Purpose of the Study:

  • To address the controversies surrounding prostate cancer screening and early treatment.
  • To highlight the benefits of modern screening methods in increasing the detection of organ-confined prostate cancer.
  • To emphasize the curability of organ-confined prostate cancer and the limitations of watchful waiting.

Main Methods:

  • Annual screening utilizing prostate-specific antigen (PSA) testing.

Related Experiment Videos

  • Digital rectal examination (DRE) for initial assessment.
  • Transrectal ultrasonography (TRUS) for further evaluation when indicated.

    • Main Results:

    • Screening can more than double the proportion of organ-confined prostate cancer detected.
    • This increases the potential for a cure in an estimated 45% of patients, compared to 20% without screening.
    • Despite improvements, screening can still detect cancer late (35-50% non-organ-confined) or miss small tumors.

    Conclusions:

    • Prostate cancer screening, when coupled with advances in radical prostatectomy, offers a significant opportunity to increase curable cases.
    • Watchful waiting has limitations due to slow, steady tumor progression and unreliable prognostic factors.
    • There is a critical window for detecting prostate cancer at a curable stage, underscoring the importance of effective screening strategies.