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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: Semin Hematol. 2011 Jan;48(1):13–21. doi: 10.1053/j.seminhematol.2010.11.004

Table 1.

WHO Classification of Plasma Cell Neoplasms [5]

Monoclonal Gammopathy of Undetermined Significance (MGUS)
Plasma Cell Myeloma
   Asymptomatic Smoldering Myeloma
   Symptomatic Multiple Myeloma
   Non-secretory Myeloma
   Plasma cell leukemia
Plasmacytoma
   Solitary plasmacytoma of bone
   Extraosseous (extramedullary) plasmacytoma
Immunoglobulin deposition diseases
   Primary amyloidosis
   Systemic light and heavy chain deposition disease
Osteosclerotic myeloma (POEMS syndrome)