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pubmed:abstractText |
Serum antibodies to a variety of dietary proteins were investigated in 26 patients with adult coeliac disease (ACD, 14 untreated and 17 treated with a gluten-free diet) and 38 patients with dermatitis herpetiformis (DH) with varying small bowel abnormalities. The incidence of one or more positive tests was highest in untreated ACD (73.4%) and DH with subtotal villous atrophy (57.4%). This incidence fell with morphological improvement, being 56.4% in treated ACD patients with partial villous atrophy (PVA), and 33.4% in DH with PVA, and 0% in DH with normal biopsies. The height of the serum antibody titre also fell with morphological improvement. These results show that there is an abnormally high incidence of dietary antibodies in patients with DH, and this correlates with the degree of small bowel damage.
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