Table 1 Diagnostic criteria for Waldenström macroglobulinemia recommended by the Second International Workshop on Waldenström macroglobulinemia
Criteria |
|---|
• IgM monoclonal gammopathy of any concentration |
• Bone marrow infiltration by small lymphocytes showing plasmacytoid/plasma cell differentiation |
• Intertrabecular pattern of bone marrow infiltration |
• Surface IgM+, CD5±, CD10−, CD19+, CD20+, CD22+, CD23−, CD25+, CD27+, FMC7+, CD103−, CD138− immunophenotype. |