Chapter title |
Morphological classification of malignant lymphomas: ultrastructural, cytochemical and immunological results.
|
---|---|
Chapter number | 3 |
Book title |
Malignant Lymphomas of the Nervous System
|
Published in |
Acta neuropathologica Supplementum, January 1975
|
DOI | 10.1007/978-3-662-08456-4_3 |
Pubmed ID | |
Book ISBNs |
978-3-54-007208-9, 978-3-66-208456-4
|
Authors |
Schaeffer, H E, Krüger, G R, Fischer, R, Schaefer, H. E., Krüger, G. R. F., Fischer, R. |
Abstract |
Except for tumors clearly producing immunoglobulin (e.g. plasma-cytoma), the different classes of malignant lymphomas do not correlate with a constant surface immunoglobulin pattern. Beside a prevailing IgM-surface type in a high number of different lymphoma classes even T-like or O-cells occur in most tumor types provided they are studied in a sufficient number. The possibility of dedifferentiation of immunologic cell qualities has to be envisaged. In this context intracellular lambda-chain crystals occurring in chronic lymphocytic leukaemia may provide a morphological hallmark of anaplastic deterioration of immunoglobulin synthesis. - The ambiguous significance of PAS-positive inclusions and virus-like microtubular complexes in lymphoma cells is discussed. - In conclusion the recent discovery of hairy cell leukaemia provides a good example of the value of nomenclatures based on empiricism rather than on short-lived theories. |
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