Infiltrating ductal breast carcinoma with monoclonal gammopathy of undetermined significance: A case report

Figure 3 Bone marrow biopsy immunohistochemistry. Bone marrow biopsy showed active hematopoietic tissue proliferation, scattered granulocytes and thrombocytosis, an increased proportion of erythroblasts, and scattered or small clusters of plasma cells accounted for approximately 5%-10%. It was CD3 (+), CD20 (+), CD56 (-) and CD13 (+). A: Hematoxylin-eosin, 100 ×; B: Immunohistochemistry, 400 ×.