title: Good syndrome, bad problem.
authors.affiliation: Immunopathogenesis Section, Laboratory of Clinical Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health , Bethesda, MD , USA.
authors.forename: Bianca
authors.initials: B
authors.lastname: Martinez
authors.affiliation: Immunopathogenesis Section, Laboratory of Clinical Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health , Bethesda, MD , USA.
authors.forename: Sarah K
authors.initials: SK
authors.lastname: Browne
keywords: adult-onset immunodeficiency; anti-cytokine autoantibodies; opportunistic infection; thymic neoplasia; thymoma