Small intestine involvement in primary immunodeficiency

Common variable immunodeficiency is the most frequent among all primary immunodeficiencies and is characterized by decrease of immunoglobulin secretion which causes the extent of clinical presentation of the disease. In 17-70% of patients with common variable immunodeficiency, lymphoid hyperplasia of organs of gastrointestinal tract is revealed due to which these patients come into the view of gastroenterologists. The article describes clinical observation of a patient with small intestinal involvement in common variable immunodeficiency.