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Related Experiment Videos

Prognostic factors in localized prostatic carcinoma.

J E Pontes, Z Wajsman, R P Huben

    The Journal of Urology
    |December 1, 1985
    PubMed
    Summary

    Prostate cancer staging accuracy improves with pathological examination. Seminal vesicle involvement is a key indicator for lymph node metastasis, and flow cytometry enhances Gleason score prediction for advanced disease.

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    How accurately does prostate biopsy Gleason score predict pathologic findings and disease free survival?

    The Prostate·2001

    Area of Science:

    • Urology
    • Oncology
    • Pathology

    Background:

    • Accurate prognostic factors are crucial for managing prostate cancer.
    • Dissemination of prostatic cancer requires understanding tumor characteristics.

    Purpose of the Study:

    • To identify prognostic factors influencing prostate cancer dissemination.
    • To evaluate the correlation between clinical and pathological staging.
    • To assess the impact of histological grading and DNA analysis on prognosis.

    Main Methods:

    • Serial histological sectioning of 54 radical prostatectomy specimens.
    • Comparison of clinical staging with pathological findings.
    • Histological grading of biopsy versus final pathological results.
    • Analysis of intraprostatic tumor distribution.

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  • Deoxyribonucleic acid (DNA) analysis by flow cytometry in 33 cases.

    • Main Results:

    • Clinical-pathological staging accord was 78% for stages A2/B1, but only 3/40 for stage B2.
    • 72% of tumors were histologically bilateral.
    • Microscopic capsular involvement did not significantly correlate with lymph node metastasis (1/27).
    • Seminal vesicle involvement strongly predicted pelvic lymph node metastasis (9/13).
    • Flow cytometry improved the predictive value of Gleason score for higher stage lesions.

    Conclusions:

    • Pathological staging is essential for accurate prostate cancer assessment.
    • Seminal vesicle invasion is a critical predictor of lymph node metastasis.
    • Integrating flow cytometry with Gleason score enhances prognostic accuracy in advanced prostate cancer.