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  • 1
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Medicine 28 (1977), S. 131-141 
    ISSN: 0066-4219
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0584
    Keywords: Kinetik der Granulozyten ; Kinetic of granulocytes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Two hematologically normal patients with glioblastoma and six patients with chronic lymphocytic leukemia received continuous3H-thymidine infusions for 3–10 days. In autoradiographs of blood cell smears taken for 25 days or more after the beginning of3H-thymidine administration the labeling index and the labeling intensity of granulocytes were determined. A sufficiently high labeling intensity, i. e. a sufficiently long autoradiographic exposure time was found to be critical for obtaining valid and reproducible results. On the basis of certain assumptions discussed in detail, complete labeling of cells with3H-thymidine followed by autoradiographic evaluation and mathematical analysis of the labeling patterns seems to be a suitable method for estimation of kinetic parameters of postmitotic granulocytes in vivo. The mean intramedullary maturation and storage time was observed to be 115 ± 7 h for neutrophils, 103 ± 4 h for eosinophils and 103 ± 11 h for basophils. The mean relative inflow rate into the blood (or relative turnover rate in the blood) was found to be 4.2 ± 0.4 %/h for neutrophils, 4.0 ± 0.4 %/h for eosinophils and 1.2 ± 0.3 %/h for basophils. The mean blood transit time (or blood sojourn time) was estimated to be 25 ± 2 h for neutrophils, 26 ± 3 h for eosinophils and 89 ± 21 h for basophils. Accordingly the half lifes (T 1/2) of granulocytes in the blood were 17.3 ± 1.4 h for neutrophils, 18.0 ± 2.1 foi eosinophils and 62 ± 15 h for basophils. Under the quasi steady state conditions of this study the kinetics of granulocytes in the present CLL patients appeared to be normal, despite a marked lymphocytic infiltration of the bone marrow. The apparent discrepancy between these findings and the data obtained with autotransfusion of DFP-labeled granulocytes is discussed.
    Notes: Zusammenfassung Zwei hämatologisch normale Patienten mit Glioblastoma multiforme und sechs Patienten mit chronischer lymphatischer Leukämie (CLL) erhielten3H-Thymidin-Infusionen von 3 bis 10 Tagen Dauer. In autoradiographierten Blutausstrichen wurden der Markierungsindex und die Markierungsintensität der Granulozyten bestimmt. Um optimale Markierungsverhältnisse zu erreichen, waren sehr lange autoradiographische Expositionszeiten erforderlich. Die mathematische Analyse der Markierungsindex-Kurven ermöglichte die Schätzung folgender kinetischer Parameter der postmitotischen Granulozyten: mittlere Reifungs- und Speicherungszeit im Knochenmark (115 ± 7 Std. für Neutrophile, 103 ± 4 Std. für Eosinophile und 103 ± 11 Std. für Basophile); mittlere relative Einstromrate ins Blut (4,2 ± 0,4%/Std. für Neutrophile, 4,0 ± 0,4%/Std. für Eosinophile und 1,2 ± 0,3%/Std. für Basophile); mittlere Blut-Transitzeit (25 ± 2 Std. für Neutrophile, 26 ± 3 Std. für Eosinophile und 89 ± 21 Std. für Basophile); mittlere Halbwertzeit im Blut (17,3 ± 1,4 Std. für Neutrophile, 18,0 ± 2,1 Std. für Eosinophile und 62 ± 15 Std. für Basophile). Unter den vorliegenden Bedingungen schien die Kinetik der Granulozyten bei den untersuchten CLL-Patienten trotz erheblicher lymphozytärer Infiltration des Knochenmarks normal zu sein. Der auffällige Unterschied der Bluthalbwertszeit für Neutrophile in dieser Studie und den früher publiziertem Werte aufgrund von Autotransfusionen DFP-markierter Granulozyten wird diskutiert.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 32 (1976), S. 309-312 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0584
    Keywords: Chronic lymphocytic leukemia ; Prolymphocytic leukemia ; T-cell leukemia ; Monoclonal proliferation ; Chronisch lymphatische LeukÄmie ; ProlymphozytenleukÄmie ; T-Zellen-LeukÄmie ; Monoklonales Zellwachstum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung B- und T-Zellmarker wurden bei einem Patienten mit ProlymphozytenleukÄmie, einer seltenen Variante der chronisch lymphatischen LeukÄmie, untersucht. Es lie\en sich thymusabhÄngige Eigenschaften auf der Membran der neoplastischen Lymphozyten nachweisen mit Hilfe der folgenden OberflÄchenmarker: heterologes T-Zellantigen, Schaferythrozytenrezeptor, Membranimmunglobulin, Komplementrezeptor, Fc-Rezeptor und Mauserythrozytenrezeptor. Zytogenetische Untersuchungen der LeukÄmiezellen mit oder ohne Mitogenstimulation erbrachten einen einheitlichen Karyotyp, welcher durch eine verminderte Anzahl von Chromosomen sowie durch Marker-Chromosomen gekennzeichnet war. Eine uniforme AusprÄgung von T-Zellantigen wurde durch mikrophotometrische quantitative Immunautoradiographie auf den einzelnen LeukÄmiezellen gemessen. Diese Befunde zusammen mit den zytogenetischen Analyseergebnissen sprechen für eine Herkunft von einer VorlÄuferzelle.
    Notes: Summary B- and T-cell markers were studied in a patient with prolymphocytic leukemia, a rare variant of chronic lymphocytic leukemia. Thymus-derived features were identified on the membrane of the neoplastic lymphocytes using the following cellsurface markers: Heterologous T-cell antigen, sheep erythrocyte receptor, surface immunoglobulin, complement receptor, Fc receptor and mouse erythrocyte receptor. Cytogenetic studies of leukemic cells from unstimulated and mitogen-stimulated cultures revealed a consistent karyotype characterized by marker chromosomes and a decreased chromosome number, whereas chromosomal analysis of hair root cells yielded a normal karyotype. A uniform expression of T-cell antigens measured on single leukemic cells by quantitative microphotometric immunoautoradiography correlated with the cytogenetic findings which are compatible with a descent from one progenitor cell.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-0584
    Keywords: Non-Hodgkin lymphoma ; Kiel classification ; Low-grade malignancy ; High-grade malignancy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary On the basis of the retrospective analysis of 405 patients, suggesting the clinical relevance of the Kiel classification of non-Hodgkin lymphomas (NHL), a prospective multicenter study was started on October 1st, 1975, by the Kiel Lymphoma Study Group in order to further clarify the clinical and prognostic features of the different lymphoma entities defined by this histopathologic scheme. Diagnostic protocol provides initial staging evaluation according to a modification of the Ann Arbor classification. Therapeutic approach is based on the hypothesis that, like Hodgkin's disease, NHL originate, at least in part, as localized lymphatic or extralymphatic tumors. Thus, extended field irradiation is performed in stages I and II (except for lymphoblastic lymphoma in children and young adults) whereas in the more advanced stages III and IV (except for stage III of centroblastic-centrocytic lymphoma) chemotherapy with additional radiotherapy is applied. Until June 1979, 815 patients entered the study (69.7% with NHL of low-grade malignancy). For the interim evaluation underlying the present and the other papers of this series data of 511 patients were available. Survival of patients with NHL of low-grade malignancy significantly exceeds that of patients with NHL of high-grade malignancy. NHL with good prognosis such as chronic lymphocytic leukaemia and centroblastic-centrocytic lymphoma can be differentiated from NHL with a poor course such as lymphoblastic and immunoblastic lymphomas. In addition, the existence of a third group with an intermediate prognosis comprising centrocytic and centroblastic lymphomas and, possibly, also LP immunocytoma is suggested. However, different initial slope of survival curves shows that this latter group of NHL is not homogeneous with regard to prognosis.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-0584
    Keywords: Non-Hodgkin lymphoma ; Chronic lymphocytic leukaemia ; Immunocytoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Clinical data of 116 patients with chronic lymphocytic leukaemia (CLL) and of 114 patients with lymphoplasmacytic/lymphoplasmacytoid lymphoma (synonym: LP immunocytoma, IC) as diagnosed according to the Kiel classification were compared. This interim evaluation of a prospective multicenter study of the Kiel Lymphoma Study Group characterizes IC the less favorable lymphoma entity as evidenced by a more rapid lymph node enlargement, by a higher incidence of constitutional symptoms and of marked anaemia, and by a higher percentage of patients requiring early treatment. In addition, in IC autoimmune haemolytic anaemia was detected in 11.2% of investigated patients as compared to none of the patients with CLL, and monoclonal gammopathy was disclosed in 34.2% of investigated patients as compared to only three patients with CLL who could be, however, unrecognized cases of IC. Actuarial survival data after a follow-up period of 40 months are in favor of an overall better prognosis of patients with CLL than of patients with IC.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 15 (1967), S. 157-163 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 29 (1974), S. 280-282 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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