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can someone explain doubleing time

Posts: 15
Joined: Dec 2011

had prostate removed in 2010. radaition in 2011. november 2011 psa was.03 at the end of feb. 2012 psa was.6 . gleason score were 9 in 2010 with a psa reading of only 1.6. going for blood work this week. expecting psa to be either .7 or .8. seems like psa goes up every 6 weeks. thanks for all your help

Posts: 193
Joined: Aug 2006

Psa doubling time (psa-dt) is a way to determine the aggression of the tumor. The amount of psa generated by the tumor cells (since your prostate was removed it is assumed that all remaining prostate cells are tumorous) can determine the growth of the cancer and be measured effectively by psa. The time it takes for psa to double provides the treating team information about what kind of treatment to consider next and when it should be applied. DT less than a year is usually considered more serious. DT more than 15-18 months less serious and capable of surveillance only. Thus psa-dt can categorize the patient situation. DT coupled with other pathology information provides an even better picture of the situation.
In your own case the G9 is of serious concern. The requirement of radiation post surgery also shows concern. This is now substantiated by the six week PSA-DT. All your factors support each other. There is no ambiguity. Treatment will likely need to begin soon. I hope this helps. Please talk with your doctor about any questions you have.

Posts: 15
Joined: Dec 2011

ty for your response

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