Adult non-Hodgkin's lymphoma. Correlation of cell surface marker phenotype with prognosis, the new working formulation, and the rappaport and lukes-collins histomorphologic schemes

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Abstract
The interrelationships between histomorphologic classification, cell surface marker phenotype and prognosis were prospectively studied in 130 adults with non‐Hodgkin's lymphomas. Within each of the classification schemes used there were certain histologic variants that exhibited heterogeneity of cell lineage as well as those that were extremely uniform. Diffuse lymphomas with cell populations consisting of large cells, or mixtures of large and small cells were the most heterogeneous phenotypically and were most resistant to precise definition of immunologic cell lineage. The new Working Formulation for Clinical Usage likewise exhibited considerable heterogeneity of phenotype even within well defined histomorphologic categories. Two immunologic phenotypic variables that conferred a significant favorable prognosis were the expression of surface membrane immunoglobulin (B derivation) and the simultaneous expression of a membrane μ and δ immunoglobulin heavy chain. The results of this study suggest that cell surface marker phenotypic determinations have well defined and potentially useful correlations with histomorphologic classification schemes, and are useful in predicting biologic behavior and prognosis. It is suggested that a knowledge of both immunologic phenotype and histomorphologic characteristics is necessary in formulating therapeutic decisions. Cancer 52:2289‐2299, 1983.