| umls-concept:C0009447 | skos:definition | MSH: Heterogeneous group of immunodeficiency syndromes characterized by hypogammaglobulinemia of most isotypes, variable B-cell defects, and the presence of recurrent bacterial infections.,NCI: A primary immunodeficiency characterized by low levels or absence of all the immunoglobulin classes and lack of B-lymphocytes or plasma cells. It results in recurrent bacterial infections. Complications include autoimmune phenomena and cancer development. | lld:umls |
