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Solitary Plasmacytoma of Bone
07.18.11
Solitary plasmacytoma of bone as defined in Table 4.
    Table 4 - Solitary Plasmacytoma of Bone Diagnostic Criteria: All Three Required

    1. Biopsy-proven monoclonal plasmacytoma of bone in a single site only. X-rays and MRI and/or FDG PET imaging (if performed) must be negative outside the primary site. The primary lesion may be associated with a lowa serum and/or urine M-component
    2. The bone marrow contains < 10% monoclonal plasma cells
    3.

    No other myeloma-related organ dysfunction


    a Low is defined as: serum IgG < 3.5 g/dl; serum IgA < 2.0 g/dl; urine monoclonal kappa or lambda < 1.0 g/24h.
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