common variable immunodeficiency (cvid) is one of the primary immunodeficiencies, which usually presents with recurrent bacterial infections, particularly in respiratory and gastrointestinal systems and hypogammaglobulinemia. we present here a case of cvid who was suffering from chronic watery diarrhea since 3 months before admission. past medical history was uneventful about recurrent infectio...

Hereditary angioedema (HAE) is well documented condition with inherited deficiency or dysfunction of C1 inhibitor. However, its association other immune disorders such as autoimmunity, malignancy and primary immunodeficiency not known.

immunodeficiency and autoimmune disease may occur concomitantly in the same individual. some of the immunodeficiency syndromes, especially humoral defects are associated with autoimmune disorders. hematological manifestations such as thrombocytopenia and hemolytic anemia are the most common presentations. persistent antigen stimulation due to an inherent defect in the ability of the immune syst...

primary immunodeficiency diseases (pids) consist of a group of genetic disorders that predispose the patients to immune-mediated complications. the aim of this study was to assess the knowledge of iranian general practitioners and pediatricians about pids. a questionnaire consisting 52 closed questions on clinical symptoms, laboratory data,associated syndromes and management of pids patients wa...

Although primary immunodeficiency disorders are relatively rare, intensive investigation of these disorders has yielded a great wealth of understanding of basic immunologic mechanisms in host defense, inflammation, and autoimmunity. These advances have led to important developments for the treatment not only of the primary immunodeficiencies but also for patients with secondary immunocompromise...