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[A study on the mass screening system for prostatic diseases].

M Sakamoto1, T Katayama, K Umeda

  • 1Department of Urology, Faculty of Medicine, Toyama Medical and Pharmaceutical University.

Hinyokika Kiyo. Acta Urologica Japonica
|August 1, 1992
PubMed
Summary
This summary is machine-generated.

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Mass screening for prostate diseases in Toyama, Japan, examined 1,232 men over 55. A low follow-up rate for secondary studies likely contributed to the low detection of prostate cancer, indicating a need for improved screening systems.

Area of Science:

  • Urology
  • Public Health
  • Oncology

Context:

  • A mass screening for prostatic diseases was conducted in Toyama Prefecture, Japan, between 1984 and 1990.
  • The study targeted men over 55 years old, examining 1,232 individuals (17.7% of the eligible population).
  • Primary screening involved medical history, digital rectal examination, transabdominal ultrasonography, and tumor marker analysis.

Purpose:

  • To assess the effectiveness of a mass screening program for prostatic diseases.
  • To identify individuals with suspected prostate cancer or benign prostatic hypertrophy (BPH).
  • To evaluate the detection rates and identify areas for improvement in the screening process.

Summary:

  • A secondary study was indicated for 100 subjects with suspected prostate cancer and 169 with suspected BPH.

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  • However, only 92 (35%) of these indicated subjects underwent the secondary examination.
  • Histological diagnosis confirmed prostate cancer in 3 subjects (0.3%) and BPH in 56 subjects (4.5%).

    • Impact:

    • The low follow-up rate for indicated secondary studies was identified as a probable reason for the low prostate cancer detection rate.
    • The study highlights the need for an improved system to enhance the efficiency of mass screening for prostatic diseases.
    • Findings suggest potential for increased early detection and better patient outcomes with optimized screening protocols.