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  • 1
    Electronic Resource
    Electronic Resource
    Use of a panel of monoclonal antibodies for the diagnosis of hairy cell leukaemia. An immunocytochemical study of 36 cases (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 10 (1986), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The phenotype of 36 cases of hairy cell leukaemia has been investigated using a panel of monoclonal antibodies reactive with normal human lymphoid cells and with hairy cells. Staining was performed on frozen sections and/or cell smears by the recently developed APAAP immuno-alkaline phosphatase procedure. In about 90% of cases, neoplastic cells reacted strongly with antibodies against HLA-DR, leucocyte common antigen, B-cells (antibodies B1 and To15), hairy-associated antigens (antibodies KB-90, S-HCL3, HC2) and activated T-lymphocytes (antibodies anti-Tac and Tü69). The phenotype of 10% of cases was clearly different in that the neoplastic cells were negative or only weakly positive for one or more of the antigens recognized by HC2, anti-Tac and Tü69. Antibody HC1 reacted with tumour cells of only 50% of the hairy cell leukaemia cases investigated. Monoclonal antibody Ki-67 (which selectively detects proliferating cells) stained only a low percentage of cells in all but three of the cases studied. The neoplastic cells in all cases were unreactive with monoclonal antibodies
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1986.tb02521.x
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  • 2
    Electronic Resource
    Electronic Resource
    Expression of lymphoid-associated antigens on Hodgkin's and Reed-Sternberg cells of Hodgkin's disease. An immunocytochemical study on lymph node cytospins using monoclonal antibodies (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 11 (1987), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The aim of this study was to elucidate the origin of Hodgkin's and Reed-Sternberg cells. Lymph node cytospins and frozen sections from 20 cases of Hodgkin's disease of different histological subtypes were immunostained by the immunoalkaline phosphatase technique using a panel of monoclonal antibodies. As expected, the Hodgkin's and Reed-Sternberg cells of all cases were positive for the CD30 (Ki-1), CD 15 (hapten X) and CD25 (Tac) antigens. In eight cases, a variable percentage of typical Hodgkin's and Reed-Sternberg cells showed a clear-cut cytoplasmic and/or surface positivity for the T-cell-associated antigens CD3, CD5, CD6 and CD4 (seven cases) or CD8 (one case), but consistently lacked B-cell and macrophage-associated markers. The best visualization of T-cell antigens was obtained in cytocentrifuge preparations and in areas of lymph node frozen sections that had been infiltrated by clusters of Hodgkin's and Reed-Sternberg cells. In two cases of Hodgkin's disease (nodular sclerosis, mixed cellularity) the neoplastic cells weakly expressed the B-cell antigens CD19 and CD22, but not T-cell or macrophage-associated markers. In 10 cases, Hodgkin's and Reed-Sternberg cells were negative for all the lymphoid- and macrophage-associated antigens. These results suggest a lymphoid (either T or B) rather than histiocytic origin for the Hodgkin's and Reed-Sternberg cells in a number of Hodgkin's disease cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1987.tb01869.x
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  • 3
    Electronic Resource
    Electronic Resource
    Histiocytic necrotizing lymphadenitis without granulocytic infiltration (Kikuchi's lymphadenitis). Morphological and immunohistochemical study of eight cases (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 11 (1987), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Eight examples of histiocytic necrotizing lymphadenitis without granulocytic infiltration (Kikuchi's lymphadenitis) are described. They occurred in young or middle-aged women who usually complained of latero-cervical lymphadenopathy. Serology revealed significant titres for Epstein-Barr virus and Yersinia enterocolitica serogroup 9 in one of eight and one of six tested. All patients fully recovered within 2 months. On histological examination of the lymph nodes large foci of infiltration were observed in the cortex and/or paracortex: they consisted of variable numbers of small lymphocytes, immunoblasts, macrophages and so-called plasmacytoid T-cells; granulocytes were absent. Necrotic changes varied from single pyknotic cells to extensive areas of necrosis. Immunohistochemistry showed that within the lesion the number of macrophages was inversely proportional to the number of peripheral T-lymphocytes and ‘plasmacytoid T-cells'. The latter displayed a phenotype (CD4+, CD10+, CD45+) which, in the absence of macrophage-associated antigens, seemed in keeping with their supposed lymphoid nature. In seven cases peripheral T-lymphocytes predominantly expressed the cytotoxic/suppressor phenotype, while in one remaining case a mild predominance of the helper/inducer subset was observed. In the areas with less extensive tissue necrosis, numerous T-immunoblasts expressed both markers of activation and the proliferation-associated nuclear antigen Ki-67. The results of the present study expand the spectrum of our knowledge and allow speculation as to the biology of this disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1987.tb01842.x
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  • 4
    Electronic Resource
    Electronic Resource
    Large cell lymphoma of bone. A report of three cases of B-cell origin (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 12 (1988), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Clinicopathological and immunohistological features of three cases of large cell lymphoma of bone are reported. On histological grounds, all the cases were diagnosed as histiocytic lymphomas (Rappaport) or primary centroblastic lymphomas, polymorphic subtype (Kiel). On immunophenotyping, malignant cells strongly reacted with the anti-ieucocyte antibodies PD7/26 and ROS-220C, thereby indicating their lymphomatous nature, and expressed the B-cell antigens CD19 and CD22. Further studies are warranted to determine whether the B-cell phenotype observed in our cases is typical of the majority of primary large cell lymphomas of bone. Immunohistological analysis with monoclonal antibodies is expected to be of great value not only in defining the immunological phenotype of this rare pathological entity, but also in differentiating it from other neoplasms that involve the skeleton, either primarily or secondarily.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1988.tb01928.x
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    Paper (German National Licenses)
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