Celiac disease

From IDWiki

Definition

  • Syndrome characterized by autoimmune response to gluten proteins

Etiology

  • Unclear but associated with other autoimmune disorders

Investigations

  • Anti-TTG IgA antibodies with immunoglobulins to rule out IgA deficiency
  • If IgA-deficient, can follow up with anti-TTG IgG antibodies and DGP IgG antibodies
  • Duodenal biopsy is the gold standard
  • HLA DQ2 and DQ8 genotyping is essentially 100% sensitive, so can rule out Celiac disease is cases of unceratinty after the above investigations

Further Reading