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Variability of Histopathological Changes in Childhood Celiac Disease

Celiac.com 11/18/2009 - Clinical studies of adults with celiac disease have shown that duodenal mucosal histopathological changes may be patchy, and the diagnostic value of duodenal bulb biopsies is thought to be limited. Very little data exist regarding how this applies to children with celiac disease.

A team of researchers recently set out to assess the prevalence of variable biopsy findings and duodenal bulb involvement in children with celiac disease, as well as its association with clinical parameters.

The research team was made up of Dascha C. Weir MD, Jonathan N. Glickman MD, Tracey Roiff, Clarissa Valim MD, ScD, and Alan M. Leichtner MD. The team analyzed the prevalence of variable biopsy findings and duodenal bulb involvement in children with celiac disease, together with its association with clinical parameters.

They looked at a total of 198 consecutive cases of celiac disease diagnosed at the Children’ s Hospital from 2001 to 2005. The team scored all biopsies using the Marsh criteria applied by a pathologist blinded to the clinical data.

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The researchers categorized mucosal changes as 'focal' if changes consistent with celiac disease and normal mucosa were found within a single biopsy fragment. They defined 'patchiness' as variation of at least one Marsh grade between separate fragments in a biopsy set. The median patient age was 9.3 years; 62% were female.

The researchers took more than 700 biopsy samples, an average of 3.6 per patient. In 101 cases, they took biopsy sample from both the duodenal bulb and the second portion of the duodenum.

They classified 36 biopsy samples (18%) as focal. They classified 105 samples (53%) as 'patchy', with at least 1 normal biopsy fragment was present in 71 cases (36 %). In 10 cases, researchers made reliable diagnosis only via bulb biopsy. There was no association with the clinical features examined.

The research team concluded that duodenal involvement in childhood celiac disease is often patchy and may show variable severity even within a single biopsy fragment not reliably predicted by clinical characteristics. To maximize diagnostic yield, they recommend taking multiple endoscopic biopsies, including the duodenal bulb, in suspected cases of pediatric celiac disease.

Source:
Am J Gastroenterol  6 October 2009; doi: 10.1038/ajg.2009.557

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1 Response:

 
zubair

said this on
16 Nov 2011 9:01:19 AM PDT
My son is a celiac disease patient, according to this report anti tissue transglutaminase IGA result(s )units 174.5 u/ml and reference range is 0-10. I don't know that it is positive or not.




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you're lucky you dont catch colds. im the opposite i catch everything very easily and get alot sicker than whoever i caught it from and take much longer to get better.

Even one positive can be diagnostic. This is one: Gliadin deamidated peptide IgG 33.9. If unsure, a biopsy of the small intestine will provide definite confirmation. There is a control test to validate the other ones, but I don't see it there. What is does is validate the others by checking on the overall antibody levels. But it is to detect possible false negatives. A positive is a positive. I think your daughter has joined our club.

My daughter, almost 7 years old, recently had a lot of blood work done, her Dr is out of the office, but another Dr in the practice said everything looked normal. I'm waiting for her Dr to come back and see what she thinks. I'm concerned because there is one abnormal result and I can't find info to tell me if just that one test being abnormal means anything. The reason for the blood work is mainly because of her poor growth, though she does have some other symptoms. IgA 133 mg/dl Reference range 33-200 CRP <2.9 same as reference range Gliadin Deamidated Peptide IgA .4 Reference range <=14.9 Gliadin deamidated peptide IgG 33.9 Reference range <=14.9 TTG IgA .5 Reference range <=14.9 TTG IgG <.8 Reference range <=14.9

Just watch out. I just went to the expo in Schaumburg, IL, and ended up getting glutened. I realized afterward that I ate all these samples thinking they were gluten free, and they weren't. One company was advertising some sugar, and had made some cake, but then I realized.... How do I know if this contains any other ingredients that might have gluten? Did they make it with a blender or utensils that had gluten contamination? Makes me realize the only safe things would be packaged giveaways with gluten free labeling. My fault for not thinking things through. It was just too exciting thinking i could try it all and enjoy without worry.

No fasting required for a celiac blood test unless they were checking your blood glucose levels during the same blood draw.