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Veteran Member

Date Joined May 2009
Total Posts : 725
   Posted 4/29/2011 8:08 AM (GMT -6)   
I note several posters have had a prostacint, which I assume is a scan to look for cancer. This was never brought up by any of my doctors. Is this done before or after surgery, or radiation? Is it very accurate? For example, if one is going in for radiation, can a prostacint tell if the reucrrence is local or not?

Steve n Dallas
Veteran Member

Date Joined Mar 2008
Total Posts : 4835
   Posted 4/29/2011 9:39 AM (GMT -6)   
ProstaScint is a monoclonal antibody scanning technique that has implications in the staging of patients newly diagnosed with PC as well as use in evaluating patients believed to have recurrent disease.
Continued here:
Moderator - Prostate Cancer
Age 56 - 5'11" 215lbs
Overall Heath Condition - Good
PSA - July 2007 & Jan 2008 -> 1.3
Biopsy - 03/04/08 -> Gleason 6
06/25/08 - Da Vinci robotic laparoscopy
05/14/09 - 4th Quarter PSA -> less then .01
11/20/09 - 18 Month PSA -> less then .01
05/18/10 - 24 Month PSA -> less then .01
Surgeon - Keith A. Waguespack, M.D.

John T
Veteran Member

Date Joined Nov 2008
Total Posts : 4237
   Posted 4/29/2011 2:41 PM (GMT -6)   
Prostascint was one staging technology used to detect lymphnode mets. It is deemed to be very inaccurate with a lot of false positives and when Combidex came out oncologists started to send their former prostascint patients to Holland for the more accurrate scan. Combidex has been discontinued and there is a new scan USPIO from Sandlake imaging in Orlando that is not as accurrate, but is currently in trials to identify lymphnode mets. I would get the ISPIO scan before Postascint.
66 years old, rising psa for 10 years from 4 to 40; 12 biopsies and MRIS all negative. Oct 2009 DXed with G6 <5%. Color Doppler biopsy found 2.5 cm G4+3. Combidex clear. Seeds and IMRT, 4 weeks of urinary frequency and urgency; no side affects since then. 2 years of psa's all at 0.1.

Tony Crispino
Veteran Member

Date Joined Dec 2006
Total Posts : 8128
   Posted 4/29/2011 3:13 PM (GMT -6)   
Prostascint goes beyond the lymphatic system, Combidex does not.

Doctors can also locate tumors elsewhere. It is still a valuable tool and can be used with CT and MRI to get information. When more than one test is available then it can be beneficial to look at all options...

Advanced Prostate Cancer at age 44 (I am 48 now)
pT3b,N0,Mx (original PSA was 19.8) EPE, PM, SVI. Gleason 4+3=7

Da Vinci Surgery ~ 2/16/2007
Adjuvant Radiation Therapy ~ IMRT Completed 8/07
Adjuvant Hormone Therapy ~ 28 months on Casodex and Lupron.
Undetectable PSA.


Veteran Member

Date Joined May 2009
Total Posts : 725
   Posted 4/29/2011 3:58 PM (GMT -6)   
Thanks for the info, guys. I think I understand it a bit better now. I've got an appointment with a radiologist next month so I'll ask about these various tests.
Age: 66
PSA: 7 tests over 2 years bounced around from 2.6 to 5.6
Biopsy 8 of 12 positive, Gleason 3+4, T2a
DaVinci August 2009, pathology Gleason 4+3, neg margins, T2c
Continent right away, ED
Viagra, Cialis did't work, Trimix works well
Post-surgery PSA:
3, month: undetectable <.1; 6 month: undetectable <.014 (ultrasensitive); 9, 12, 15 month: undetectable <.1; 18 month detectable .05
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