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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 35 (1977), S. 179-186 
    ISSN: 1432-0584
    Keywords: L-Asparaginase ; extrakorporale Therapie ; ALL ; Nebenwirkungen ; L-asparaginase ; Extracorporeal therapy ; ALL ; Side effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary L-asparaginase therapy is often limited by allergy or toxicity and probably in some cases by antibody mediated inactivation of the enzyme. These problems can be avoided by extracorporeal application of l-asparaginase. As the enzyme is a stable tetramer with high molecular weight it cannot pass through the dialysis membrane in contrast to the amino acid l-asparagin which is destroyed. The resulting l-asparagin depletion of the plasma is sufficient for therapeutic success. Effective extracorporeal l-asparaginase therapy is demonstrated in two patients with ALL who were resistant to other chemotherapy and could not be treated intravenously because of allergy and toxicity.
    Notes: Zusammenfassung Allergie mit der Gefahr der Anaphylaxie, Toxizität und möglicherweise Inaktivierung durch Antikörper begrenzen den Einsatz von L-Asparaginase in der Leukämiebehandlung. Diese Probleme können durch die extrakorporale Anwendung umgangen werden. Sie ist möglich, weil das Enzym als stabiles Tetramer mit höherem Molekulargewicht Dialysemembranen nicht passiert, während die Aminosäure L-Asparagin aus dem Körper entfernt werden kann und dann abgebaut wird. Für den Therapieeffekt ist allein die L-Asparagindepletion notwendig. Am Besipiel von zwei Patienten mit ALL, die gegenüber anderer Chemotherapie résistent und wegen Allergie bzw. Toxizität parenteral nicht mit L-Asparaginase behandelt werden konnten, wird das Verfahren beschrieben.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0584
    Keywords: Leukemia, acute myelomonocytic ; Abnormal marrow eosinophils ; Chromosome 16
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A case of acute nonlymphocytic leukemia (ANLL) with abnormal marrow eosinophils is presented. Thorough morphological, cytochemical, and cytogenetic studies confirm the existence of a recently defined new cytogeneticmorphological entity: acute myelomonocytic leukemia with abnormal bone marrow eosinophils (FAB M4), chloracetate esterase- and periodic acid-Schiffpositivity of eosinophilic granules, and pericentric inversion of chromosome 16, in this case combined with trisomy 8. So far 18 such cases have been reported from a single institution. The implications of this new association on the diagnosis of acute leukemia with abnormal eosinophils are discussed.
    Type of Medium: Electronic Resource
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