Table 1.

Clinical characteristics of 116 patients with solitary plasmacytoma of bone


Characteristic

N

%*
Sex   
    Male   82   70  
    Female   34   30  
Age, y   
    0 to 49   33   28  
    50 to 59   23   20  
    60 to 69   29   25  
    70+   31   27  
Serum monoclonal protein type   
    No M protein   42   36  
    IgG   57   49  
    IgA   10   9  
    Light chain only   4   3  
    IgM   1   1  
    Biclonal   2   2  
Size of serum monoclonal protein, g/dL   
    0.5 or more   63   54  
    0.51 to 1.0   11   10  
    1.1 to 1.99   29   25  
    2.0 or more   13   11  
Urine monoclonal protein type   
    Not done   11   10  
    Kappa   32   27  
    Lambda   10   9  
    No monoclonal protein   63   54  
Site of plasmacytoma   
    Skull   5   4  
    Spine   49   45  
    Pelvis   17   16  
    Long bones   14   13  
    Ribs   14   13  
    Other   0   9  
Dose of radiation   
    No radiation   4   3  
    Less than 3000   1   1  
    3000 to 3999   13   12  
    4000 to 4999   42   39  
    5000 to 5999   32   30  
    6000 or more   4   3  
    Unknown
 
13
 
12
 

Characteristic

N

%*
Sex   
    Male   82   70  
    Female   34   30  
Age, y   
    0 to 49   33   28  
    50 to 59   23   20  
    60 to 69   29   25  
    70+   31   27  
Serum monoclonal protein type   
    No M protein   42   36  
    IgG   57   49  
    IgA   10   9  
    Light chain only   4   3  
    IgM   1   1  
    Biclonal   2   2  
Size of serum monoclonal protein, g/dL   
    0.5 or more   63   54  
    0.51 to 1.0   11   10  
    1.1 to 1.99   29   25  
    2.0 or more   13   11  
Urine monoclonal protein type   
    Not done   11   10  
    Kappa   32   27  
    Lambda   10   9  
    No monoclonal protein   63   54  
Site of plasmacytoma   
    Skull   5   4  
    Spine   49   45  
    Pelvis   17   16  
    Long bones   14   13  
    Ribs   14   13  
    Other   0   9  
Dose of radiation   
    No radiation   4   3  
    Less than 3000   1   1  
    3000 to 3999   13   12  
    4000 to 4999   42   39  
    5000 to 5999   32   30  
    6000 or more   4   3  
    Unknown
 
13
 
12
 
*

Percentages may not total 100 because of rounding.

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