Selective IgG2‐deficiency in yellow nail syndrome

Abstract

Key message IgG2‐deficiency increases susceptibility to recurrent pulmonary infections and the risk for bronchiectasis. Isolated IgG2‐deficiency has not been previously described in Yellow Nail Syndrome (YNS).

Keywords

• bronchiectasis
• empyema
• immunoglobulin deficiency
• pericardial effusion
• yellow nail syndrome