WebBased on a review of the literature, the authors report the various methods used to study this kinetic, with particular emphasis on the most reliable method: the PSA doubling time. … WebPSA doubling time measures the time it takes the PSA level to double. For example, a PSA doubling time of 3 years means that, on average, the PSA level doubles every 3 years. PSA doubling time can help doctors find out if a prostate cancer is aggressive, which means it is more likely to grow quickly and spread.
PSA doubling time: When is it useful as a treatment guide? - Urology Times
WebThis calculator uses the ellipsoid formula: H × W × L × 0.523 based on the height (H), width (W), and length (L) of the prostate The normal prostate measures approximately 3 × 3 × … Web1 mei 2024 · Array A contains the PSA values and B the time (in days or months) from t=0 INTERCEPT (A1:A5;B1:B5) as above. These two numbers define a linear equation which, under certain criteria, is the best linear representation of your input: y = (INTERCEPT) + (SLOPE) x time Next comes the exponential regression: essential oil for head sweating
Predicting and Monitoring Advanced Prostate Cancer - WebMD
Web1 nov. 2006 · This rate variable can be calculated by taking the natural log of each PSA measurement, plotting them vs time and then measuring the slope of the linear regression through the data points ln [PSA t] = ln [PSA initial] + mt ( fig. 1, B ). PSA-DT is then calculated by dividing ln 2 by m. Web25 jul. 2024 · If your PSA doubling time is faster—for example, under six months—your medical provider is likely to recommend pelvic-node radiation plus Lupron Depot for as … WebWhat was your PSA doubling time? months (0.01 to 120) Note: If you do not know your PSA doubling time, use our PSA doubling time calculator or leave this blank. What is PSA doubling time (PSADT)? Clear Supporting Publications Risk of dying of prostate cancer in men with a rising PSA after radical prostatectomy essential oil for healing