RT Journal Article SR Electronic T1 Major histocompatibility complex class II antigen expression in B and T cell non-Hodgkin's lymphoma. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 34 OP 41 DO 10.1136/jcp.40.1.34 VO 40 IS 1 A1 M E Smith A1 C S Holgate A1 J M Williamson A1 I Grigor A1 P Quirke A1 C C Bird YR 1987 UL http://jcp.bmj.com/content/40/1/34.abstract AB An immunohistochemical study of 46 B and T cell non-Hodgkin's lymphomas, using monoclonal antibodies to the products of the major histocompatibility complex (MHC) class II antigen subregions, DP, DQ, and DR, showed that most B and T cell lymphomas express these antigens. Both coordinate and non-coordinate expression of MHC class II antigens was observed, but this did not correlate with immunological phenotype, morphological grade, or proliferation index as determined by flow cytometry.