question about Chrons' blood test???

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Regular Member

Date Joined Sep 2006
Total Posts : 68
   Posted 8/9/2009 11:55 AM (GMT -7)   
Hi everyone!
I am wondering if anyone had the ASCA or anti-Saccharomyces cerevisiae antibodies blood test for Chrons??
I have ALL the symptoms of Chrons disease and it also runs in my family. I had this blood test done and it was VERY elevated suggesting Chrons.
However, my SED rate and CRP were NOT elevated which my GI dr said was strange b/c w/ Chrons those things WOULD be up.
My colonoscopy is sch. for Wednesday. So I hope to get the full answer then. Jsut curious in the meantime if anyone can shed some light on this ASCA test.
thanks so much!!!!

Veteran Member

Date Joined Feb 2009
Total Posts : 529
   Posted 8/9/2009 11:57 AM (GMT -7)   
I never had the ASCA test done, but I know for a fact that some people's CRP does not change dramatically (my doctor told me this and told me I was lucky that she can monitor my inflammation through my CRP). Good luck on your scope, it's really the only way to know for sure unfortunately :(

Regular Member

Date Joined Sep 2006
Total Posts : 68
   Posted 8/9/2009 12:21 PM (GMT -7)   

Thanks for the reply. I truly appreciate it. Any information is helpful! :)

take care!

Veteran Member

Date Joined Jun 2008
Total Posts : 1058
   Posted 8/9/2009 1:44 PM (GMT -7)   
Crohn's can cause food intolerances because of increased gut permeability. Permeability allows food proteins to pass into the bloodstream where antibodies are generated. Thereafter, eating that food protein will cause inflammation potentially in several areas of your GI system. That can include your throat, stomach and all the way through. For your case, obviously you need to avoid anything made with baker's yeast - the SC of your ASCA test. There can be several foods that you have antibodies for and you may need to try to discover what foods they are.

Regular Member

Date Joined Jul 2009
Total Posts : 342
   Posted 8/9/2009 1:50 PM (GMT -7)   
never had that..nor have i heard of it..but i had a coombs test and an ana antibodie test..cause i have Lupus too

Veteran Member

Date Joined Apr 2005
Total Posts : 3763
   Posted 8/10/2009 7:30 AM (GMT -7)   
I have to disagree with Valerie on the colonoscopy being the only way to tell. CD can be any where through out the entire digestive system, the colonoscopy can only see the colon and into a small portion of the small intestine. If the disease is active further up, the colonoscopy will not show anything and will yield negative results. Just warning you that you may be in for further testing.

CD 20 years officially, 30 unofficially. 3 resections '93, '95 '97
Managing with strict low residue diet, keeping symptoms to a minimum. All test show small amount of ulceration, still have occasional blockages. But still have a great time with my 2 daughters and husband!

Prednisone, 6MP,Prevacid, B12 shots, Bentyl, Xifaxan.....

Regular Member

Date Joined Sep 2006
Total Posts : 68
   Posted 8/10/2009 7:45 AM (GMT -7)   
Thanks. I kinda figured that would be the case w/ the colonoscopy. 
My cousin has Chrons and it was diagnosed by the small bowel series xray.
Soooo I guess we'll see. I have had the colonoscopy before and at least I know what to expect.
However, I still don't want to have it done & am so scared the results will yield no answers.
Anyway, I will keep you all posted!
Thanks so much!  
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