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  Indian J Med Microbiol
 

Figure 8: Composite image of primary cutaneous diffuse large B-cell lymphoma-leg type: Skin biopsy showing dense dermal diffuse lymphoid infiltrate (a), composed of predominantly large cells with open chromatin and prominent nucleoli (b) (H and E). These atypical large lymphoid cells are positive for CD20 (c) while being negative for CD3 (d), CD30 (e) and CD10 (f). These large cells show expression of BCL6 (g) and MUM1 (h). CD: Cluster differentiation, BCL: B-cell lymphoma, MUM1: Multiple myeloma oncogene 1

Figure 8: Composite image of primary cutaneous diffuse large B-cell lymphoma-leg type: Skin biopsy showing dense dermal diffuse lymphoid infiltrate (a), composed of predominantly large cells with open chromatin and prominent nucleoli (b) (H and E). These atypical large lymphoid cells are positive for CD20 (c) while being negative for CD3 (d), CD30 (e) and CD10 (f). These large cells show expression of BCL6 (g) and MUM1 (h). CD: Cluster differentiation, BCL: B-cell lymphoma, MUM1: Multiple myeloma oncogene 1