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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 51 (1973), S. 754-758 
    ISSN: 1432-1440
    Keywords: Acetylsalicylic acid ; auto-antibodies ; purpura ; thrombocytopenia ; drug-induced cytopenia ; Acetylsalicylsäure ; Autoantikörper ; Purpura ; Thrombocytopenie ; arzneimittelallergische Cytopenie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über den Fall einer letalen arzneimittelallergischen Thrombocytopenie nach Thomapyrin® berichtet, bei der sich hochtitrige thrombocytäre Antikörper in vitro nachweisen ließen. Die komplementbindenden Antikörper waren spezifisch gegen die Acetylsalicylsäurekomponente im Thomapyrin® gerichtet und inaktiv gegenüber dessen Phenacetinkomponente. Aus dem klinischen Bild ergaben sich Hinweise für kreuzreagierende allergische Reaktionen mehrerer Zellsysteme, besonders auch der hämopoetischen Vorstufen. Der deletäre Verlauf der Cytopenie wird aus der fortgesetzten Einnahme des Medikaments erklärt. Die Seltenheit dieser durch Aspirin® bedingten Thrombocytopenie — bisher wurden erst von einem Autor Antikörper immunologisch nachgewiesen — erschwert die Diagnose des lebensbedrohlichen Krankheitsbildes.
    Notes: Summary This case report deals with drug-induced allergic thrombocytopenia with lethal issue resulting from Thomapyrin®. It was possible to demonstrate the in vitro existence of a high antibody titer against platelets. The complement-binding antibodies were directed specifically against the acetylsalicylic acid, a component of Thomapyrin®, but did not react against its phenacetin component. The clinical picture pointed to cross-reactive allergic reactions of various cell systems, in particular of the hemopoietic precursor cells. The destructive course of the cytopenia can be explained by the continuous intake of the drug. The rare occurrence of this thrombocytopenia caused by Aspirin®—until now, antibodies have been immunologically proven by only one author—renders the diagnosis of this life-threatening disease quite difficult.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0584
    Keywords: AML blast cells ; Eosinophilic differentiation ; Diffusion chambers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Auer-rod positive acute myelocytic leukemia (AML) blasts from a 33-year-old patient were cultured in diffusion chambers (DC) in order to test their differentiation potential. The cells were labeled with anti-human granulocyte antiserum known to be negative for eosinophils, and evaluated using the unlabeled peroxidase-antiperoxidase (PAP) method. Parallel to a decline in the number of leukemic blasts there was an increase of up to 86% in the number of granulocytic cells belonging to the eosinophilic series. Auer-rod bodies were found in the eosinophilic cells even after 20 days in culture. Staining with anti-granulocyte antiserum failed to demonstrate positive cells at any time during DC culture. Based on the negative reaction with the anti-granulocytic antibodies already at an early stage of development evidence is provided for the existence of a progenitor cell exclusively committed to the eosinophilic pathway.
    Type of Medium: Electronic Resource
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