CVID - Patients are at risk for developing a number of GI tract pathologies including lymphoid nodular hyperplasia and inflammatory bowel disease. An enteropathy with villous blunting (resembling celiac disease) may be present but does not respond to dietary gluten removal. The risk of developing GI tract malignancies (lymphoma, adenocarcinoma) is increased 50 fold.y.  

  STAT3 Gain of Function



STAT3 Gain of Function -  patients develop multi-organ autoimmune manifestations including autoimmune enteropathy autoimmune cytopenia, type I diabetes, and interstitial lung disease.