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Prostate Cancer
Treatment Guide™

Prostate Cancer Glossary



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Cryotherapy & Cryosurgery




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Biochemical Progression Free Survival
and Prostate Cancer

Biochemical Progression Free Survival means that after undergoing a prostate cancer treatment the patientís PSA level does not rise for 2 to 3 consecutive. Biochemical relapse free survival should not be confused with overall survival. Overall survival when used in a clinical sense refers only to those who did not die as a result of their prostate cancer at the time of follow-up. Many doctors believe that there is comparative difference in the overall survival rates, possibly due to the unusually slow growth rate common in most types of prostate cancers.

Biochemical relapse free survival is a more specific term. The word biochemical refers to the use of the prostate-specific antigen as a tumor marker. If the patient relapses biochemically, his PSA level has risen significantly. Generally, patients who undergo a prostate cancer treatment should have nearly undetectable PSA levels, somewhere around or under 1.0 ng/mL. Those with a high PSA velocity after treatment have experienced biochemical relapse, but they have not died. Biochemical relapse, however, is a reasonable indicator of who will develop recurrent prostate cancer.



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