FIGURE 3

Note the distinct populations of bcl-6-positive (black nuclear staining) and CD138-positive (red membrane staining) cells in this diffuse large B-cell lymphoma. (Double immunostain with hematoxylin counterstain.)

Note the distinct populations of bcl-6-positive (black nuclear staining) and CD138-positive (red membrane staining) cells in this diffuse large B-cell lymphoma. (Double immunostain with hematoxylin counterstain.)