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  2. Prostate-specific antigen - Wikipedia

    en.wikipedia.org/wiki/Prostate-specific_antigen

    Prostate-specific antigen (PSA), also known as gamma-seminoprotein or kallikrein-3 (KLK3), P-30 antigen, is a glycoprotein enzyme encoded in humans by the KLK3 gene.PSA is a member of the kallikrein-related peptidase family and is secreted by the epithelial cells of the prostate gland in men and the paraurethral glands in women.

  3. Prostate cancer screening - Wikipedia

    en.wikipedia.org/wiki/Prostate_cancer_screening

    Prostate-specific antigen. Prostate-specific antigen (PSA) is secreted by the epithelial cells of the prostate gland and can be detected in a sample of blood. [14] PSA is present in small quantities in the serum of men with healthy prostates, but is often elevated in the presence of prostate cancer or other prostate disorders. [15]

  4. Gleason grading system - Wikipedia

    en.wikipedia.org/wiki/Gleason_grading_system

    Similar to Gleason 1, the glands are usually larger than those of Gleason 3 patterns, and are round to oval in shape. Thus the main difference between Gleason 1 and 2 is the density of packing of the glands seen; invasion is possible in Gleason 2, but by definition not in Gleason 1. [4] [7]

  5. Particle size analysis - Wikipedia

    en.wikipedia.org/wiki/Particle_size_analysis

    Particle size analysis, particle size measurement, or simply particle sizing, is the collective name of the technical procedures, or laboratory techniques which determines the size range, and/or the average, or mean size of the particles in a powder or liquid sample.

  6. Particle-size distribution - Wikipedia

    en.wikipedia.org/wiki/Particle-size_distribution

    ρ p: Actual particle density (g/cm 3) ρ g: Gas or sample matrix density (g/cm 3) r 2: Least-squares coefficient of determination. The closer this value is to 1.0, the better the data fit to a hyperplane representing the relationship between the response variable and a set of covariate variables.

  7. Active surveillance of prostate cancer - Wikipedia

    en.wikipedia.org/wiki/Active_surveillance_of...

    Recognizing that these men differ from those diagnosed today with PSA screening, the cumulative incidence of death from prostate cancer was 20.7% in the untreated group overall, and 11% for men with low risk disease (PSA below 10 ng/ml and Gleason score below 7) - similar to the cumulative incidence of death from prostate cancer of 12.3% at 30 ...

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