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  Indian J Med Microbiol
 

Figure 1: Two representative cases of plasma cell neoplasm. (a and b) Bone marrow H and E section (a) and CD138 immunostain (b) for plasma cells in one patient. Many dysplastic megakaryocytes are shown, yet the plasma cells are only about 3% of marrow cells. This patient was diagnosed as monoclonal gammopathy of undetermined significance. (c and d) Bone marrow H and E section (c) and CD138 immunostain (d) for plasma cells in another patient. Dysplastic megakaryocytes are readily seen, and marrow plasma cells are very high. This patient was diagnosed as plasma cell myeloma

Figure 1: Two representative cases of plasma cell neoplasm. (a and b) Bone marrow H and E section (a) and CD138 immunostain (b) for plasma cells in one patient. Many dysplastic megakaryocytes are shown, yet the plasma cells are only about 3% of marrow cells. This patient was diagnosed as monoclonal gammopathy of undetermined significance. (c and d) Bone marrow H and E section (c) and CD138 immunostain (d) for plasma cells in another patient. Dysplastic megakaryocytes are readily seen, and marrow plasma cells are very high. This patient was diagnosed as plasma cell myeloma