immunology allergic disorders
Overview of Immunodeficiency Disorders
Introduction
Immunodeficiency disorders are associated with or predispose patients to various complications, including infections, autoimmune disorders, and lymphomas and other cancers. Primary immunodeficiencies are genetically determined and can be hereditary; secondary immunodeficiencies are acquired and much more common. Approach to the Patient With Suspected Immunodeficiency includes history, physical examination, and immune function testing. Testing varies based on the following: Whether a primary or secondary immunodeficiency is suspected For primary immunodeficiency, which component of the immune system is thought to be deficient 