Clonally Related Plasmablastic Lymphoma Simultaneously Occurring with Diffuse Large B-Cell Lymphoma

Figure 2

H&E-stained section of bladder tumor (a, b). Immunohistochemical staining of CD20 (c) and CD138 (d). H&E staining showed the proliferation of atypical lymphoid cells with abundant basophilic cytoplasm and pleomorphic nucleoli (a, b). Immunohistochemical staining revealed that these atypical cells were negative for CD20 (c) and positive for CD138 (d).

(a)

(b)

(c)

(d)