case_images: PMC5635466_01
case_images: Diffuse lymphoid infiltrates consisting of predominantly large atypical cells with plasmacytic differentiation ((a), H&E, 400x). Immunohistochemistry stains revealed that the tumor is positive for CD138 (d) but negative for CD3 (b) and CD20 (c).
case_images: CRIHEM2017-9561013.001.jpg
case_images: PMC5635466_01_CRIHEM2017-9561013.001.jpg
case_images: fig1
case_images: Biopsy revealed large CD20-negative atypical cells with brisk mitotic activity with some cells appearing plasmacytoid (Figure 1).