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The Gleason grading system is used to help evaluate the prognosis of men with prostate cancer using samples from a prostate biopsy. Together with other parameters, it is incorporated into a strategy of prostate cancer staging which predicts prognosis and helps guide therapy. A Gleason score is given to prostate cancer based upon its microscopic ...
A more refined prognosis can be established by consideration of prostate-specific antigen, and grade (i.e. Gleason score in the Gleason grading system). For example, it is common to classify patients into high, intermediate and low-risk groups on the basis of these three factors (TNM stage, PSA and Gleason score).
Age over 40: Risk factors: Older age, family history, race: Diagnostic method: PSA test followed by tissue biopsy: Differential diagnosis: Benign prostatic hyperplasia: Treatment: Active surveillance, prostatectomy, radiation therapy, hormone therapy, chemotherapy: Prognosis: Five-year survival rates range from 30–99%, depending on stage. [1]
age: age at diagnosis; eet: early endocrine therapy (1=no, 0=yes) ploidy: diploid/tetraploid/aneuploid DNA pattern; g2: % of cells in G2 phase; grade: tumor grade (1-4) gleason: Gleason grade (3-10) The survival tree produced by the analysis is shown in the figure. Survival tree for prostate cancer data set
PIN is more common in men with prostate cancer. High grade PIN can be found in 85 to 100% of radical prostatectomy specimens, [4] nearby or even in connection with prostate cancer. It tends to occur in the peripheral zone of the prostate. With age, it becomes increasingly multifocal, like prostate cancer.
Cancer survival rates vary by the type of cancer, stage at diagnosis, treatment given and many other factors, including country. In general survival rates are improving, although more so for some cancers than others. Survival rate can be measured in several ways, median life expectancy having advantages over others in terms of meaning for ...
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