PSA After SBRT

BeardofStars
BeardofStars CSN Member Posts: 16
edited March 2024 in Prostate Cancer #1

After initial diagnosis my doctor recommended CyberKnife (SBRT). Prior to treatment my last PSA was 6.7. It is now 10 weeks after treatment and my PSA has dropped to 2.1. The radiologist had sketched out a graph of PSA gradually dropping after treatment so I didn't expect it to immediately drop down to 0.0 but wondered what others experience was after treatment.

BTW. Only had some very minor side effects and got myself off of flomax within 3 weeks of treatment.

Comments

  • Clevelandguy
    Clevelandguy CSN Member Posts: 1,351 Member
    #2

    Hi,

    Cyberknife does not kill the whole Prostate gland, just the cancerous tissue and a small margin around it. Your PSA will stabilize at some number in the future and hopefully stay there. Your Prostate will still produce a certain amount of PSA from the remaining live tissue.

    Dave 3+4

  • Old Salt
    Old Salt CSN Member Posts: 1,686 Member
    #3

    That is correct. Your PSA test results will vary over time and you may see a bounce at some point. One hopes that your PSA will stay below nadir + 2. Future tests will show what your nadir will be.

  • Steve1961
    Steve1961 CSN Member Posts: 703 Member
    #4

    Took Me three long years to drop from 7.0 down to 0.9 now it’s back up to 2.1 and I am scheduled to have surgery in a week

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