Figure 4.
Figure panel reporting an emblematic case (M34) of an ePM with a high number of lymphoid aggregates and TLS ((A), hematoxylin and eosin, scale bar: 2 mm), with prominent germinal centers ((B), hematoxylin and eosin, scale bar: 300 µm). A high number of CD20 (C) and a lower number of CD3 (D) were also detected (IHC, scale bar: 400 µm).