The researchers examined the medical records of 55 patients who were, between 1997 and 2001, presumed to have non-responsive celiac disease, six of which were later found not to have celiac disease. Of the 49 remaining patients 25 were identified as having gluten contamination in their diet. The researchers add: "Additional diagnoses accounting for persistent symptoms included: pancreatic insufficiency, irritable bowel syndrome, bacterial overgrowth, lymphocytic colitis, collagenous colitis, ulcerative jejunitis, T-cell lymphoma, pancreatic cancer, fructose intolerance, protein losing enteropathy, cavitating lymphadenopathy syndrome, and tropical sprue."
I think that it is clear that if you have celiac disease and continue to have symptoms your first step should be to look closely at your diet for any possible gluten contamination. Your next step should be eliminating other common food intolerance items such as cows milk, soy, eggs or corn. -Scott Adams