Prognostic significance of new immunohistochemical markers in refractory classical Hodgkin lymphoma: A study of 59 cases

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Abstract

Although most classical Hodgkin lymphoma patients are cured, a significant minority fail after primary therapy and may die as result of their disease. To date, there is no consensus on biological markers that add value to usual parameters (which comprise the International Prognostic Score) used at diagnosis to predict outcome. We evaluated 59 patients (18 with primary refractory or early relapse disease and 41 responders) for bcl2, Ki67, CD20, TiA1 and c-kit expression by semi-quantitative immunohistochemical study and correlated the results with the response to treatment. The results showed that expression of bcl2 and CD20 in Hodgkin and Reed Sternberg cells, and expression of TiA1 in micro-environmental lymphocytes, and c-kit positive mast cells in microenvironment, were independent prognostic markers. These novel cHL markers could be used in association with clinical parameters to identify newly diagnosed patients with favorable or unfavorable prognosis and to better tailor treatment for different risk groups. © 2009 Canioni et al.

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Canioni, D., Deau-Fischer, B., Taupin, P., Ribrag, V., Delarue, R., Bosq, J., … Hermine, O. (2009). Prognostic significance of new immunohistochemical markers in refractory classical Hodgkin lymphoma: A study of 59 cases. PLoS ONE, 4(7). https://doi.org/10.1371/journal.pone.0006341

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