PET scan and MRI

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kak
Regular Member


Date Joined May 2009
Total Posts : 85
   Posted 5/6/2009 10:59 AM (GMT -6)   
Has anyone out there had a PET scan and in the case of prostate cancer is it something that should be done?  and if it is done what can it show?   Also should an MRI be done and again for what reason?
Just looking for information as I want to make sure every option is covered.  Also want to have information before seeing oncologist about PSA rise.
Thanks in advance.
AGe 54 diagnosed March of 2007
PSA 107
Gleason 8
Stage T2 or T3 (weren't sure was out of prostate capsule)
Bone scan march 2007 and Aug 2008 both clear
ct 2007 clear
started casadex/lupron March of 2007 (casadex only for 4 months)(lupron for 2 yrs)
Aug 2007 had 37 treatments (also radiated lymph nodes)
psa spr 07-107,went down to .34 by Dec 08, March 09 0.7, May 1.54
 
 


John T
Veteran Member


Date Joined Nov 2008
Total Posts : 4202
   Posted 5/6/2009 9:48 PM (GMT -6)   

Pet scans aren't very good for prostate cancer as the isotope doesn't attract to the PC cells like they do for other cancers.

An MRIS with ento rectal coil with a telsa 3 machine is probably a good test for locating PC in the prostate or in the margins. A regular MRI is a waste of time.

A combidex MRI is the best way to discover PC in the lymphnodes.

Hope this helps.

JT


64 years old.

I had an initial PSA test in 1999 of 4.4. PSA increased every 6 months reaching 40 in 5-08. PSA free ranged from 16% to 10%. Over this time period I had a total of 13 biopsies and an endorectal MRIS all negative and have seen doctors at Long Beach, UCLA, UCSF and UCI. DX has always been BPH and continue to get biopsies every year.

In 10-08 I had a 25 core biopsy that showed 2 cores positive, gleason 6 at less than 5%. Surgery was recommended and I was in the process of interviewing surgeons when my wife's oncologist recommended I get a 2nd opinion from a prostate oncologist.

I saw Dr Sholtz, in Marina Del Rey, and he said that the path reports indicated no tumor, but indolant cancer clusters that didn't need any treatment. He was concerned that my PSA history indicated that I had a large amount of PC somewhere that had yet to be uncovered and put me through several more tests.

A color doppler targeted biopsy in 11-08 found a large tumor in the transition zone, gleason 6 and 7. Because of my high PSA Dr. suspected lymph node involvement, 30% chance, and sent me to Holland for a Combidex MRI, even though bone and CT scans were clear.

Combidex MRI showed clear lymph nodes and a 2,5 cm tumor in the anterior. I was his 1st patient to come up clear on the Combidex which has a 96% accuracy,

I've been on a no meat and dairy diet since 12-08 and PSA reduce to 30 while I awaited the Combidex MRI.

The location of the tumor in the anterior apex next to the urethea makes a good surgical margin very unlikely. Currently on Casodex and Proscar for 8 weeks to shrink my 60 mm prostate. Treatment will be seeds followed by 5 weeks of IMRT while continuing on Casodex and Proscar. So far no side affects from the Casodex.

As of April 10 and 7 weeks on Casodex and Proscar PSA has gone from 30 to 0.62 and protate from 60mm to 32mm. Very minor side affects. Doc says all this indicates tumor is not aggessive

Awaiting schedule for seed impants

 

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