What else can cause villus atrophy in the small intestine other than celiac disease?

There are many causes for villus atrophy, the most common being immune deficiencies, food allergies and Giardia infections. In addition, Crohn’s disease is known to be often associated with low positive tTG and the changes in the duodenal biopsies can indeed be similar.

Causes of Villous Atrophy Other Than Celiac Disease

  • Giardiasis
  • Collagenous sprue
  • Common-variable immunodeficiency
  • Autoimmune enteropathy
  • Radiation enteritis
  • Whipple’s disease
  • Tuberculosis
  • Tropical sprue
  • Eosinophilic gastroenteritis
  • Human immunodeficiency virus enteropathy
  • Intestinal lymphoma
  • Zollinger–Ellison syndrome
  • Crohn’s disease
  • Intolerance of foods other than gluten (e.g., milk, soy, chicken, tuna)