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Please Help... Diagnostic Question...need More Information


Dagyngrl

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Dagyngrl Newbie

Hi, Ok. So one month ago I was diagnosed Celiac after having severe pain in my abdomen for the last month and many other symptoms. They did an endoscopy and a biopsy and the biopsy came back positive for Celiac. So I was told to go Gluten Free and the last month I have slowly felt better. I assumed I was properly diagnosed and started my life changing diet.  2 weeks ago they had me go in for blood work and both my serology test and genetic test came back negative for Celiac. The nurse who called me about me results said I don't have any aversion to gluten. She was not a kind lady and was very angry at me for asking her so many questions she could not answer. She had to talk to the Dr. 3 different times and call me back. I knew the serology test was done incorrectly and told her so. I feel like my Dr. just gave me a giant run around and don't even want to go back and see him... 

 

So how do I have a positive biopsy and negative genetic test? I know the serology was done incorrectly, as I had been gluten-free for over 3 weeks prior to the blood work... but if the genetic test came back negaitve... is it not possible that I could be Celiac?

 

Do either of those tests actual test for gluten sensitivity? Or just for Celiac?

 

Please any advise or any experiences you have could really help me at this point... Thank you so much!!! :)


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kareng Grand Master

Assuming they actually ran the correct gene test, then they should be looking for other reasons you have intestinal damage. Have you actually seen the actual test results and pathology reports? Might be a good idea to get a copy of that and ask them to explain the damage they saw.

Open Original Shared Link

Other causes of villous atrophy:

Open Original Shared Link

nora-n Rookie

only 92% have DQ2.5 and DQ8, which are the official celiac genes.

 

Th rest have other genes, or half.

 

Call the lab to get the full results. 

 

Several people here have gotten the full results.

 

---

Here is a paper on why DQ9 is a celiac gene, and DQ2,2 and DQ7, and DQ2,3

The labs will report those are not celiac genes.....

Open Original Shared Link bottom of page, a pdf

nora-n Rookie

Also, it looks like the blood test for tissue transglutaminase IgA was negative.

 

Now you might be IgA deficient, or your body cannot make much IgA because the immune system does not work well. This is also typical  with small children.

nvsmom Community Regular

If you are gluten-free, that will cause false negative blood tests (excluding the genetic tests).  Some people's labs go back to normal within a few weeks - you might be one of the lucky ones.

 

Maybe even post the biopsy results here. There are a few people who could probably help you with interpretting the results.

 

Best wishes

SMRI Collaborator

I would get a copy of the exact tests they ran along with the results and lab ranges.  Also, I would find another doctor.  They should have run these tests first, before your scope, while you were eating gluten.  A good doctor would have known that :D.

Cara in Boston Enthusiast

a knowledgeable doctor would not have run blood tests on a person who has been gluten free for three weeks.  None of those test results are valid.

 

You had a positive biopsy and a positive response to the diet.  You have celiac disease.

 

The genetic test is NOT diagnostic.  Some people with the common genes do not develop celiac disease . . . some people without the genes do get it.  This test is really of little value to doctors unless it is used as merely a "clue" when other test results are vague.  

 

DO NOT resume eating gluten.  DO get a new doctor if at all possible.  See if there is a Celiac Support group in your area.  Get advice from them about what doctors are in your area.


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    • trents
      So the tTG-IGA at 28 is positive for celiac disease. There are some other medical conditions that can cause elevated tTG-IGA but this is unlikely. There are some people for whom the dairy protein casein can cause this but by far the most likely cause is celiac disease. Especially when your small bowel lining is "scalloped". Your Serum IGA 01 (aka, "total IGA") at 245 mg/dl is within normal range, indicating you are not IGA deficient. But I also think it would be wise to take your doctor's advice about the sucraid diet and avoiding dairy . . . at least until you experience healing and your gut has had a chance to heal, which can take around two years. After that, you can experiment with adding dairy back in and monitor symptoms. By the way, if you want the protein afforded by dairy but need to avoid casein, you can do so with whey protein powder. Whey is the other major protein in dairy.
    • jenniber
      hi, i want to say thank you to you and @trents   . after 2 phone calls to my GI, her office called me back to tell me that a blood test was “unnecessary” and that we should “follow the gold standard” and since my biopsy did not indicate celiac, to follow the no dairy and sucraid diet. i luckily have expendable income and made an appt for the labcorp blood test that day. i just got my results back and it indicates celiac disease i think 😭   im honestly happy bc now i KNOW and i can go gluten free. and i am SO MAD at this doctor for dismissing me for a simple blood test that wouldn’t have cost her anything !!!!!!!!!!! im sorry, im so emotional right now, i have been sick my whole life and never knew why, i feel so much better already   my results from labcorp:   Celiac Ab tTG TIgA w/Rflx Test Current Result and Flag Previous Result and Date Units Reference Interval t-Transglutaminase (tTG) IgA 01 28 High U/mL 0-3 Negative 0 - 3 Weak Positive 4 - 10 Positive >10 Tissue Transglutaminase (tTG) has been identified as the endomysial antigen. Studies have demonstrated that endomysial IgA antibodies have over 99% specificity for gluten sensitive enteropathy. Immunoglobulin A, Qn, Serum 01 245 mg/dL 87-352
    • JoJo0611
      Thank you this really helped. 
    • Samanthaeileen1
      Okay that is really good to know. So with that being positive and the other being high it makes sense she diagnosed her even without the endoscopy. So glad we caught it early. She had so many symptoms though that to me it was clear something was wrong.   yeah I think we had better test us and the other kids as well. 
    • GlorietaKaro
      One doctor suggested it, but then seemed irritated when I asked follow-up questions. Oh well—
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