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Related Experiment Videos

[Prostatic acid phosphatase by enzymeimmunoassay].

T Masukagami, K Ando, J Shimazaki

    Hinyokika Kiyo. Acta Urologica Japonica
    |November 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

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    Enzymeimmunoassay for prostatic acid phosphatase (PAP-EIA) accurately detects prostate cancer. This diagnostic tool shows high sensitivity and a low false positive rate, aiding in early cancer diagnosis.

    Area of Science:

    • Biochemistry
    • Oncology
    • Diagnostic Medicine

    Context:

    • Prostate cancer diagnosis relies on accurate biomarkers.
    • Prostatic acid phosphatase (PAP) is a key indicator.
    • Enzymeimmunoassay (EIA) offers a sensitive detection method.

    Purpose:

    • To evaluate the efficacy of PAP-EIA for detecting prostate cancer.
    • To establish normal PAP levels and assess diagnostic accuracy in various cancer stages.
    • To compare PAP-EIA results with radioimmunoassay (RIA).

    Summary:

    • PAP-EIA demonstrated excellent intra-assay reproducibility.
    • In normal males, PAP levels ranged from 0.24-3.3 ng/ml, with an upper limit of 1.94 ng/ml.
    • 85% of untreated prostate cancer patients (34/40) tested positive, with high detection rates across stages A-D.

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  • A low false positive rate of 9% was observed in patients with benign prostatic hyperplasia (BPH) or prostatitis.
  • PAP-EIA results strongly correlated with RIA (r=0.997, p<0.001).

    • Impact:

    • PAP-EIA is a reliable and sensitive biomarker for prostate cancer detection.
    • The assay's high accuracy supports its use in clinical diagnosis.
    • This method can aid in differentiating prostate cancer from benign conditions.