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  • Common variable immunodeficiency  (1)
  • Key words: Neonatal allo-immune thrombocytopenia – HPA-1 b – HLA class-I and class-II molecules  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 124 (1977), S. 207-216 
    ISSN: 1432-1076
    Keywords: Lymphadenopathy ; Immunodeficiency ; Common variable immunodeficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über einen zu Erkrankungsbeginn $$2{\raise0.5ex\hbox{$\scriptstyle 1$}\kern-0.1em/\kern-0.15em\lower0.25ex\hbox{$\scriptstyle 2$}}$$ Jahre alten Knaben berichtet, der klinisch neben rezidivierenden Infekten eine generalisierte Lymphknotenschwellung und Hepatosplenomegalie aufweist. Immunologisch läßt sich ein humoraler Immundefekt mit starker Verminderung der B-Zellen bei normaler Anzahl von T-Zellen nachweisen. Bei der Lymphknotenbiopsie findet sich eine exzessive follikuläre lymphatische Hyperplasie mit großen floride Keimzentren, in denen viele Germinoblasten und das Fehlen von Plasmazellen auffallen. Dieses Krankheitsbild wird als eine Form der common variable immunodeficiency diagnostiziert, der pathogenetisch ein Defekt der B-Lymphocytengerminoblasten (mit gestörter Umschaltung in eine Plasmazellbildung bzw. in die Bildung von immunglobulinproduzierenden Zellen) zugrunde liegen dürfte.
    Notes: Abstract A $$2{\raise0.5ex\hbox{$\scriptstyle 1$}\kern-0.1em/\kern-0.15em\lower0.25ex\hbox{$\scriptstyle 2$}}$$ -year-old boy presented with recurrent respiratory tract infections, generalized lymphadenopathy and hepatosplenomegaly. Immunologic evaluation revealed a deficiency of humoral immunity. Repeated lymph node biopsies during a 10-year follow-up constantly showed excessive follicular hyperplasia with huge germinal centers consisting of germinoblasts, but lacking plasma cells. The disease can be interpreted as a subtype of the common variable immunodeficiency in which the commutation of germinoblasts to plasma cells in the evolution of B cells is blocked.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1076
    Keywords: Key words: Neonatal allo-immune thrombocytopenia – HPA-1 b – HLA class-I and class-II molecules
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. We report a case of neonatal allo-immune thrombocytopenia due to fetomaternal human platelet antigen (HPA)-1 incompatibility. Anti-HPA-1 b antibodies were detectable in maternal serum. Repeated treatment of the infant with high-dose IgG effectively raised platelet counts transiently, but the patient remained thrombocytopenic for more than 6 weeks. Serological and DNA analysis revealed that the mother was homozygous HPA-1 a and the father homozygous HPA-1 b.
    Type of Medium: Electronic Resource
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