Siemens CT multi-slice 32 vs 64

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Regular Member

Date Joined May 2008
Total Posts : 27
   Posted 5/18/2008 11:05 AM (GMT -6)   
Diagnosing metastisis (mets) using CT is fairly standard. Siemens recently came out with their 64 slice machine which is faster and (I believe) higher resolution than the 32. I had my CT on a 32 slice CT and the technician that administered the CT said their was no appreciable difference for assessing mets between the two machines for PCa.
I didn't see any posts on the subject in this forum.
I am in the process of making a decision about which PCa mitigation approach to take. The radiologist interpreting my CT results found no mets to adjacent tissues. My concern is that if the 64 was more accurate and found mets then my approach might be different.
Any experience in this area or reference material?
PSA:      9.95
Gleason: 7 (3/4)
CT:        No mets indciated beyond Prostate 

Tony Crispino
Veteran Member

Date Joined Dec 2006
Total Posts : 8128
   Posted 5/18/2008 11:58 AM (GMT -6)   
It is common, but not as accurate as one would like it to be. Typically, tumors less than one centimeter will not be detected by CT. Prostascint is a better test. My tests were negative but I still have local mets.

Age 45 (44 when Dx)
Pre-op PSA was 19.8
Surgery on Feb 16, 2007 @ The City of Hope
Post-Op Pathology: Gleason 4+3=7, positive margins, Stage pT3b (Stage III)
HT began in May, '07 with Lupron and Casodex 50mg
IMRT radiation for 38 Treatments ending August 3, '07
Current PSA (1/08): <0.1
I will continue HT until May '09. 
Years in Remission (3/23/07): 1
Visit my Journey at:
Prostate Cancer Forum Moderator

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