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пятница, 5 августа 2011 г.

PSA Kinetics Is Not A Sufficient Indication For The Treatment Of Prostate Cancer

PSA Kinetics Is Not A Sufficient Indication For The Treatment Of Prostate Cancer.


A dexterousness that urologists had hoped would pass it feasible to pick out men with prostate cancer who indigence remedying from those who would only need watchful waiting didn't put through well, researchers report. The technique, called PSA kinetics, measures changes in the scold at which the prostate gland produces a protein called prostate-specific antigen fav-store. A significant advance in PSA kinetics, modulated by the take during which PSA work doubles or increases at a fast rate, is supposed to indicate the need for treatment, by dispersal therapy or surgery.



PSA kinetics has extended been used to measure the effectiveness of treatment cheap Valtrex. A calculate of cancer centers have started to use it as a reasonable method of distinguishing aggressive cancers that command treatment from those that are so slow-growing that they can safely be left alone.



Recent studies indicating that many men with slow-growing prostate cancers be subjected to surplus treatment have given stress to the search for such a tool, especially considering that side clobber of treatment can include incontinence and impotence. But the mug up indicates that "PSA kinetics doesn't seem to be enough to show you who you should follow and who you should treat," said Dr Ashley E Ross, a urology abiding at the Johns Hopkins University Brady Urological Institute, and leading lady maker of a description on the technique published online May 3 in the Journal of Clinical Oncology.



The detonation describes the results of PSA kinetics measurements of 290 men with low-grade prostate cancer - the good that often doesn't instruct healing - for an so so of 2,9 years. The results of PSA tests were compared with biopsies - interweaving samples - that majestic the extending of the cancers.



The trial is or on of a study, under supervision of Dr H Ballentine Carter, numero uno of the division of adult urology at the Brady Urological Institute, that began in 1994. Men in the trouble had PSA tests every six months and biopsies every year.