Abstract
Two related boys who died from fulminant infectious mononucleosis were diagnosed with X-linked lymphoproliferative disease type 1 (XLP-1). Family screening (n=17) identified 6 female mutation carriers and 2 more XLP-1 patients in whom, despite recurrent infections, agammaglobulinemia, and Hodgkin's Disease, the genetic basis had been unknown; demonstrating that awareness and early genetic testing are crucial to reveal underlying primary immunodeficiencies and improve outcome. Furthermore, XLP should be included routinely in the differential diagnosis of severe hypogammaglobulinemia and/or lymphoma in males.
© Georg Thieme Verlag KG Stuttgart · New York.
MeSH terms
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Adolescent
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Agammaglobulinemia / diagnosis
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Agammaglobulinemia / genetics
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Child, Preschool
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DNA Mutational Analysis
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Epstein-Barr Virus Infections / diagnosis
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Epstein-Barr Virus Infections / genetics
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Exons / genetics
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Fatal Outcome
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Genetic Carrier Screening
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Genetic Diseases, X-Linked / diagnosis
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Genetic Diseases, X-Linked / genetics
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Genetic Testing
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Hodgkin Disease / diagnosis
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Hodgkin Disease / genetics
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Humans
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Infant
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Infectious Mononucleosis / diagnosis
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Infectious Mononucleosis / genetics*
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Intellectual Disability / diagnosis
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Intellectual Disability / genetics
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Intracellular Signaling Peptides and Proteins / genetics*
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Lymphohistiocytosis, Hemophagocytic / diagnosis
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Lymphohistiocytosis, Hemophagocytic / genetics*
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Lymphohistiocytosis, Hemophagocytic / mortality
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Lymphoproliferative Disorders / diagnosis
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Lymphoproliferative Disorders / genetics*
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Lymphoproliferative Disorders / mortality
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Male
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Meningoencephalitis / complications
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Meningoencephalitis / diagnosis
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Meningoencephalitis / genetics
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Mutation, Missense
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Pedigree
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Signaling Lymphocytic Activation Molecule Associated Protein
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Young Adult
Substances
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Intracellular Signaling Peptides and Proteins
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SH2D1A protein, human
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Signaling Lymphocytic Activation Molecule Associated Protein
Supplementary concepts
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Bruton type agammaglobulinemia