The rash has a symmetrical distribution and is most frequently found on elbows, knees and buttocks. DH patients can have gastro-intestinal damage without perceptible symptoms. Current research indicates that CD is strongly associated with a group of genes on Chromosome 6. Who gets CD - Genetics Celiac Disease is most commonly found in genetically susceptible Caucasians. Recent studies suggest that at least 1 in 250 persons in the United States is affected.
Many cases go undiagnosed or are asymptomatic for years.
It is suggested that family members be tested. Diagnosis A person seeking preliminary diagnosis must be consuming gluten. Certain antibodies are produced by the immune system in response to substances that the body perceived to be threatening, i.e. gluten. Current research shows that people with CD have higher than normal levels of these antibodies in their blood. It is recommended that patients with positive antibody tests have a small bowel biopsy to confirm the diagnosis and assess the degree of mucosal damage.