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  • 1
    Electronic Resource
    Electronic Resource
    Germinal center cell lymphomas: Prognostic significance of their histopathological differentiation (1981)
    Springer
    Annals of hematology 43 (1981), S. 193-200 
    Details
    ISSN: 1432-0584
    Keywords: Non-Hodgkin lymphoma ; Centrocytic lymphoma ; Centroblastic-centrocytic lymphoma ; Centroblastic lymphoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Clinical data of 48 patients with centrocytic, 83 patients with centroblastic/centrocytic and 64 patients with centroblastic lymphoma who had entered a prospective multicenter study of the Kiel Lymphoma Study Group since October 1975 were compared. Advanced (stage IV) disease at time of diagnosis, predominantly due to bone marrow infiltration, was most frequent in centrocytic (69% of patients) and in centroblastic/centrocytic (51% of patients) lymphomas as compared to only 28% of patients with centroblastic lymphoma. High survival probability of patients with localized centrocytic and centroblastic/centrocytic lymphomas after radiotherapy, contrasting with a worse prognosis of corresponding patients with centroblastic lymphoma, is compatible with the classification of these lymphoma entities as neoplasias of low-grade malignancy. However, as shown by this prospective and previous retrospective trials overall survival probability of patients with advanced centrocytic lymphoma was inferior to that observed in corresponding patients with centroblastic/centrocytic lymphoma. These findings suggest the possibility that patients with advanced centrocytic lymphoma occupy an intermediate position between typical low-grade and typical high-grade malignant non-Hodgkin lymphomas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00363889
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  • 2
    Electronic Resource
    Electronic Resource
    Prognostic risk factors in advanced Hodgkin's lymphoma (1988)
    Springer
    Annals of hematology 56 (1988), S. 273-281 
    Details
    ISSN: 1432-0584
    Keywords: Hodgkin's lymphoma ; Clinical trial ; Risk factors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In a national multicentre trial in the FRG patients with Hodgkin's lymphoma in stages CS/PS III B/IV were entered into the HD 3 protocol and received induction chemotherapy with 3× (COPP+ABVD). Patients in complete remission (CR) received consolidation therapy by either radiotherapy (20 Gy IF) or chemotherapy (COPP+ABVD). Patients not in CR received salvage therapy (40 Gy in case of persisting nodal disease, else 4× CEVD chemotherapy). Between July 1983 and May 1987 230 untreated patients aged 15 to 60 qualified for this HD 3 protocol. This analysis is based on the first 137 patients evaluable for response. Of these, 86 (63%) achieved CR after induction chemotherapy. Including salvage therapy a total of 104 patients (76%) achieved CR. Univariate and multivariate prognostic risk factor analyses were performed using freedom from treatment failure (FFTF) as endpoint. Sex, age, splenectomy, bone marrow, liver and bone involvement had no prognostic impact nor had stage according to the Ann Arbor classification. In contrast, a pretreatment erythrocyte sedimentation rate (ESR) above 80 mm/h and a serum alkaline phosphatase (AP) above 230 IU/ml appeared as significant risk factors (p〈0.01, relative risk 2.3). The two parameters were not independent. Comparing a group A (ESR ≤ 80 and AP ≤ 230) versus a pooled group B (ESR〉80 and/or AP〉230) increased the difference (p〈0.001, relative risk of 2.8) which was also significant for survival (p〈0.04).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00320290
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  • 3
    Electronic Resource
    Electronic Resource
    Principles and present status of a prospective multicenter study on the clinical relevance of the kiel classification (1981)
    Springer
    Annals of hematology 43 (1981), S. 155-166 
    Details
    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
    URL: http://dx.doi.org/10.1007/BF00363886
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  • 4
    Electronic Resource
    Electronic Resource
    Lymphoplasmacytic/lymphoplasmacytoid lymphoma: A clinical entity distinct from chronic lymphocytic leukaemia? (1981)
    Springer
    Annals of hematology 43 (1981), S. 183-192 
    Details
    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
    URL: http://dx.doi.org/10.1007/BF00363888
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  • 5
    Electronic Resource
    Electronic Resource
    Clinical and prognostic heterogeneity of non-hodgkin lymphomas of high-grade malignancy (1981)
    Springer
    Annals of hematology 43 (1981), S. 201-211 
    Details
    ISSN: 1432-0584
    Keywords: Non-Hodgkin lymphoma ; High-grade malignancy ; Lymphoblastic lymphoma ; Immunoblastic lymphoma ; Centroblastic lymphoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Comparison of clinical data of 64 patients with centroblastic lymphoma, 55 patients with immunoblastic lymphoma and 31 patients with lymphoblastic lymphoma not only confirmed the original assumption of high-grade malignancy as proposed by the concept of the Kiel classification but also demonstrated distinct clinical differences, particularly between lymphoblastic lymphoma and the two other entities. Rapid lymph node enlargement as well as steep fall of survival curves within the first year after diagnosis were common characteristics. Bimodal age distribution, predominance of males and early generalization of disease were typical features of lymphoblastic lymphoma; elderly patients and patients with the unclassified subtypes of lymphoblastic lymphoma exhibited the worst prognosis. Whereas patients with centroblastic and immunoblastic lymphomas showed similar distribution of age, sex and initial stage of disease, patients with immunoblastic lymphoma presented more frequently with a reduced performance status and showed a poorer response to radio- and chemotherapy resulting in a worse prognosis discernible after the first year of follow-up. Generalization during course of the disease was significantly more frequent in immunoblastic than in centroblastic lymphoma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00363890
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  • 6
    Electronic Resource
    Electronic Resource
    Cooperative trials of Hodgkin's lymphoma in the Federal Republic of Germany (1990)
    Springer
    Journal of cancer research and clinical oncology 116 (1990), S. 106-108 
    Details
    ISSN: 1432-1335
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01612650
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  • 7
    Electronic Resource
    Electronic Resource
    Stimulation cortison- und strahlenresistenter Mäuselymphocyten in vitro durch Phythämagglutinin-P (PHA), Pokeweed Mitogen (PWM) und Concanavalin (Con A) (1973)
    Springer
    Journal of molecular medicine 51 (1973), S. 1026-1027 
    Details
    ISSN: 1432-1440
    Keywords: Lymphocyte transformation ; hydrocortisone treatment ; whole-body irradiation ; Lymphocytentransformation ; Hydrocortison-Therapie Ganzkörperbestrahlung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Hydrocortisonbehandlung und Ganzkörperbestrahlung führen bei C57 Bl-Mäusen zu einer starken Reduktion der Zellzahlen in Thymus und Milz. Die resistenten Zellpopulationen sind durch PHA, PWM und Con A deutlich besser stimulierbar als Milz- und Thymuszellen unbehandelter Mäuse, wobei die mitogene Wirkung der getesteten Substanzen sehr unterschiedlich ist. Die Ergebnisse stützen die Annahme, daß cortison- und strahlenresistente Zellpopulationen die immunkompetenten Zellen enthalten.
    Notes: Summary Hydrocortisone treatment as well as wholebody irradiation cause marked cellular depletion in thymus and spleen from C57 Bl mice. The resistant cell populations were found to respond better to PHA, PWM and Con A than spleen- and thymus-cell populations of untreated mice. Great differences in reactivity in the various cell populations to the three mitogens were observed. The results support the hypothesis that the immunological competent cells are among the cortisone-resistant as well as among the radioresistant cell populations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01468297
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  • 8
    Electronic Resource
    Electronic Resource
    Radiation effect on partially synchronized Yoshida sarcoma cells (1982)
    Springer
    Journal of cancer research and clinical oncology 102 (1982), S. 253-263 
    Details
    ISSN: 1432-1335
    Keywords: X-ray ; Generation cycle ; Synchronization ; Cell proliferation ; Macromolecular synthesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Yoshida sarcoma cells, which have the same growth characteristics as ascites cells in the mouse and in cell suspension, were partially synchronized in vitro by means of excess thymidine (0.1 mM thymidine for 18 h). The growth of non-synchronized cultures was inhibited by irradiation, the degree depending on the dose of radiation. At the same time, a 50% inhibition in vivo (380 rad) and in vitro (480 rad) was determined. The incorporation of 3H-thymidine into the DNA is inhibited by 10–32%, depending on the radiation dose. The mitotic index decreases 2 h after irradiation by a dose-dependent amount. A mitotic maximum develops later; the delay is dose-dependent. Partially synchronized cells were irradiated in the G1/S-, S-, G2-, and G1-phase. As compared to the 3H-thymidine incorporation and the mitotic index there were no significant differences between the cultures which were irradiated in the individual phases of the non-synchronized control cultures. The cultures which were irradiated in the G2-phase, however, showed a significantly reduced growth in vivo after 48 h. If the cells were cultured for more than 72 h after irradiation, the differences between the cultures irradiated in the G2-phase and the other phases were reduced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00411345
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