SIGLEC1 and B-cell non-Hodgkin lymphoma: Moreover, Marmey et al. investigated, using immunohistochemistry on paraffin-embedded tissues, the expression of CD169 in 51 cases of B cell non-Hodgkin lymphomas (including diffuse large B cell lymphomas, B-chronic lymphocytic leukemias, follicular lymphomas, mantle cell lymphomas and splenic marginal zone lymphomas).