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False Negative?


bex

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bex Newbie

Hi, I'm new to this, so bear with me. I suspected I was celiac, and my GI doctor did a biopsy during a scheduled GI scope to check for celiac. Well, the silia were destroyed, which is what apparently would happen for a celiac, so he sent a blood sample to the lab for a confirmation test (I know, it sounds backwards, but he was already doing the GI scope anyway, that's why he did the biopsy first). He called and left a voicemail and said the blood test was negative so don't worry I don't have celiac. What I'm wondering though, is what else would make my silia be like that? I have some of the symptoms that always show up on the celiac sites: chronic gas, diahrea/constipation fluctuations, chronic fatigue, etc. Is it common to have a false negative? Should I get the blood test re-done? And can anyone recommend a good GI doctor in Kansas City who would perhaps have an idea of what else could be damaging the silia like that? Thanks for your help.


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lovegrov Collaborator

OK, so what destroyed the villi and what are you supposed to do about it? You need them and there must be a cause.

What blood tests did he do? Igg can be negative even if you have it and Iga can be negative if you're Iga deficient.

richard

KaitiUSA Enthusiast

Your doctor is a dumb butt. If the biopsy showed positive you have it...does not matter what blood work says in that case. Some blood tests are more accurate then others but you obviously have celiac with destroyed villi.

You need a new doctor...sounds like one of the many who knows nothing about celiac.

Now, if the biopsy came back negative then you would need to rely on blood work because a biopsy can't rule celiac out..it can only rule celiac in.

Which blood tests were run on you?

bex Newbie

I was wondering all that myself! In his voice mail, he was acting all like I should be relieved, and I'm more weirded out because where before I thought, "well, I have celiac, so at least I know what to do about it," now i'm thinking what the heck do I have? And he didn't seem to worried that the villi (sorry, not silia) were damaged. BUT I AM!! It seems to me that if a lot of the problems caused by celiac, like vitamin deficiencies, osteoperosis, etc., are caused by malapsorption, which is caused by damage the the villi, then doesn't it follow that if my villi are damaged, some of those things could also be happening to me? even if it's not technically celiac? Thanks for confirming my suspicion.

KaitiUSA Enthusiast

You have celiac. The damage is what is associated with celiac..without the damage it would not be celiac.

Untreated celiac leads to tons of problems including increased chances in cancer, diabeters, osteoprosis, and other life threatening and disabling things...also takes an average of 10 years off of your life. Once you go gluten free though the risks go back to normal.

What you should do is go gluten free and then about 6 months from now have a followup biopsy and see if the damaged is healed. The gluten free diet will prevent further damage and heal damage.

If your villi are damaged there are nutritional deficiencies and malabsorption going on to a point in your body.

Being gluten free is an all or nothing thing though...even accidents as frequent as once a month is just like not following the diet...things like products you put on your face like cosmetics and things like shampoos, soaps, lotions and everything needs to be looked at to make sure it is gluten free.

It gets easier as you go and learn the good things you can have. There is still alot we can have even on the mainstream market. There are good replacements for pretty much everything. This site is a great resource and you will find out all the info you need to know. Feel free to contact me if you need any help.

Your doctor just amazes me...I don't see how damaged villi would be taken so lightly...he needs a celiac lesson.

dd6444 Rookie

i had a blood test done and it showed negative, but my dad wasn't convinced, so he ordered a stool test for me which showed positive.

Merika Contributor

Bex,

There *are* other things that can cause villi damage. I was just reading about a *rare* reaction to soy or milk that can cause similar damage as celiac. The odds are, though, it's celiac. May I suggest trying the diet for one month and seeing if you notice a difference? If you notice NO change, you're probably not celiac. If you DO notice a change, the diet is helpful then.

Did your doctor suggest what he/you should do next? Because if your villi are damaged, you have a problem (duh).

Merika


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aikiducky Apprentice

Would it be possible to let another doctor have a look at your biopsies? I don't know how it works exactly - are there like samples of tissue that someone else could look at and give a second opinion?

Pauliina

KaitiUSA Enthusiast
There *are* other things that can cause villi damage. I was just reading about a *rare* reaction to soy or milk that can cause similar damage as celiac.

Those reactions are rare although that can happen where they cause similar damage.

However, with symptoms of celiac and flattened villi it does point to celiac so the best thing to do is go gluten free (make sure 100% because it's an all or nothing thing)then about 6 months from now get a biopsy again to see if the damage has got better or healed. That will tell if it is celiac or not.

Carriefaith Enthusiast
Hi, I'm new to this, so bear with me.  I suspected I was celiac, and my GI doctor did a biopsy during a scheduled GI scope to check for celiac.  Well, the silia were destroyed, which is what apparently would happen for a celiac, so he sent a blood sample to the lab for a confirmation test (I know, it sounds backwards, but he was already doing the GI scope anyway, that's why he did the biopsy first).  He called and left a voicemail and said the blood test was negative so don't worry I don't have celiac.  What I'm wondering though, is what else would make my silia be like that? I have some of the symptoms that always show up on the celiac sites: chronic gas, diahrea/constipation fluctuations, chronic fatigue, etc.    Is it common to have a false negative?  Should I get the blood test re-done?  And can anyone recommend a good GI doctor in Kansas City who would perhaps have an idea of what else could be damaging the silia like that?  Thanks for your help.

<{POST_SNAPBACK}>

If you had a blood test that tested for IGA antibodies and it was negative, then you could be deficient in IGA antibodies. Some celiacs are deficient in these antibodies, which could explain the positive biopsy and negative blood test.

Jenn2005 Contributor

My husband also had negative bloodwork and a biopsy that was compatible with sprue. He has a lot of symptoms for celiac or at least gluten intolerance. I am very nervous about this because the doctors are saying its not celiac or gluten intolerance because the blood test are negative, but as mentioned above with a positive biopsy and a good reaction to the diet it seems likely to me its one or the other. This gets very furstrating and scary. His doctor (at a big university hospital in Gainsville Florida) has instructed him to go back on a gluten diet starting yesterday afternoon and he is going to redo the endoscopy on Monday. That is a whole 5 days of ingesting gluten. He has been on the gluten free diet for 7 weeks, I'm pretty sure its not going to show anything with only 5 days of eating gluten. I'm hoping that it will show improvement from the first one and that should help confirm that the diet is helping. Good luck with getting a dx.

Jennifer

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    • trents
      Not necessarily. The "Gluten Free" label means not more than 20ppm of gluten in the product which is often not enough for super sensitive celiacs. You would need to be looking for "Certified Gluten Free" (GFCO endorsed) which means no more than 10ppm of gluten. Having said that, "Gluten Free" doesn't mean that there will necessarily be more gluten than "Certified Gluten" in any given batch run. It just means there could be. 
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      I think it is wise to seek a second opinion from a GI doc and to go on a gluten free diet in the meantime. The GI doc may look at all the evidence, including the biopsy report, and conclude you don't need anything else to reach a dx of celiac disease and so, there would be no need for a gluten challenge. But if the GI doc does want to do more testing, you can worry about the gluten challenge at that time. But between now and the time of the appointment, if your symptoms improve on a gluten free diet, that is more evidence. Just keep in mind that if a gluten challenge is called for, the bare minimum challenge length is two weeks of the daily consumption of at least 10g of gluten, which is about the amount found in 4-6 slices of wheat bread. But, I would count on giving it four weeks to be sure.
    • Paulaannefthimiou
      Are Bobresmill gluten free oats ok for sensitive celiacs?
    • jenniber
      thank you both for the insights. i agree, im going to back off on dairy and try sucraid. thanks for the tip about protein powder, i will look for whey protein powder/drinks!   i don’t understand why my doctor refused to order it either. so i’ve decided i’m not going to her again, and i’m going to get a second opinion with a GI recommended to me by someone with celiac. unfortunately my first appointment isn’t until February 17th. do you think i should go gluten free now or wait until after i meet with the new doctor? i’m torn about what i should do, i dont know if she is going to want to repeat the endoscopy, and i know ill have to be eating gluten to have a positive biopsy. i could always do the gluten challenge on the other hand if she does want to repeat the biopsy.    thanks again, i appreciate the support here. i’ve learned a lot from these boards. i dont know anyone in real life with celiac.
    • trents
      Let me suggest an adjustment to your terminology. "Celiac disease" and "gluten intolerance" are the same. The other gluten disorder you refer to is NCGS (Non Celiac Gluten Sensitivity) which is often referred to as being "gluten sensitive". Having said that, the reality is there is still much inconsistency in how people use these terms. Since celiac disease does damage to the small bowel lining it often results in nutritional deficiencies such as anemia. NCGS does not damage the small bowel lining so your history of anemia may suggest you have celiac disease as opposed to NCGS. But either way, a gluten-free diet is in order. NCGS can cause bodily damage in other ways, particularly to neurological systems.
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