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char = i;code = 105
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char = f;code = 102
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char = c;code = 99
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char = y;code = 121
char = e;code = 101
char = l;code = 108
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = .;code = 46
result sql = Prognostic factors for malignant transformation in monoclonal gammopathy of undetermined significance and smoldering multiple myeloma.
Prognostic factors for malignant transformation in monoclonal gammopathy of undetermined significance and smoldering multiple myeloma.
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char = T;code = 84
char = S;code = 83
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char = M;code = 77
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char = J;code = 74
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char = M;code = 77
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char = o;code = 111
char = b;code = 98
char = a;code = 97
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = 1;code = 49
char = 0;code = 48
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 1;code = 49
char = 5;code = 53
char = ;code = 32
char = y;code = 121
char = e;code = 101
char = a;code = 97
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = 1;code = 49
char = 4;code = 52
char = %;code = 37
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 3;code = 51
char = 0;code = 48
char = %;code = 37
char = ,;code = 44
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = -;code = 45
char = u;code = 117
char = p;code = 112
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = 6;code = 54
char = 5;code = 53
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = 1;code = 49
char = 2;code = 50
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = 2;code = 50
char = 3;code = 51
char = 9;code = 57
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = s;code = 115
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = 6;code = 54
char = 4;code = 52
char = ;code = 32
char = M;code = 77
char = G;code = 71
char = U;code = 85
char = S;code = 83
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = 5;code = 53
char = .;code = 46
char = 8;code = 56
char = %;code = 37
char = );code = 41
char = ;code = 32
char = e;code = 101
char = v;code = 118
char = o;code = 111
char = l;code = 108
char = v;code = 118
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = m;code = 109
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = i;code = 105
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = y;code = 121
char = e;code = 101
char = l;code = 108
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = ;code = 32
char = (;code = 40
char = M;code = 77
char = M;code = 77
char = );code = 41
char = ;code = 32
char = (;code = 40
char = n;code = 110
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 4;code = 52
char = 3;code = 51
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = u;code = 117
char = l;code = 108
char = l;code = 108
char = a;code = 97
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = p;code = 112
char = l;code = 108
char = a;code = 97
char = s;code = 115
char = m;code = 109
char = a;code = 97
char = c;code = 99
char = y;code = 121
char = t;code = 116
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = ;code = 32
char = (;code = 40
char = n;code = 110
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 1;code = 49
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = i;code = 105
char = m;code = 109
char = a;code = 97
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = m;code = 109
char = y;code = 121
char = l;code = 108
char = o;code = 111
char = i;code = 105
char = d;code = 100
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = n;code = 110
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 1;code = 49
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = W;code = 87
char = a;code = 97
char = l;code = 108
char = d;code = 100
char = e;code = 101
char = n;code = 110
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = &;code = 38
char = #;code = 35
char = 2;code = 50
char = 4;code = 52
char = 6;code = 54
char = ;;code = 59
char = m;code = 109
char = ';code = 39
char = s;code = 115
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = g;code = 103
char = l;code = 108
char = o;code = 111
char = b;code = 98
char = u;code = 117
char = l;code = 108
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = a;code = 97
char = ;code = 32
char = (;code = 40
char = n;code = 110
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 1;code = 49
char = 2;code = 50
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = n;code = 110
char = -;code = 45
char = H;code = 72
char = o;code = 111
char = d;code = 100
char = g;code = 103
char = k;code = 107
char = i;code = 105
char = n;code = 110
char = ';code = 39
char = s;code = 115
char = ;code = 32
char = l;code = 108
char = y;code = 121
char = m;code = 109
char = p;code = 112
char = h;code = 104
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = ;code = 32
char = (;code = 40
char = n;code = 110
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 6;code = 54
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = B;code = 66
char = -;code = 45
char = c;code = 99
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = l;code = 108
char = y;code = 121
char = m;code = 109
char = p;code = 112
char = h;code = 104
char = o;code = 111
char = c;code = 99
char = y;code = 121
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = u;code = 117
char = k;code = 107
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = a;code = 97
char = ;code = 32
char = (;code = 40
char = n;code = 110
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 1;code = 49
char = );code = 41
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = -;code = 45
char = u;code = 117
char = p;code = 112
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = 7;code = 55
char = 2;code = 50
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = 1;code = 49
char = 2;code = 50
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = 2;code = 50
char = 4;code = 52
char = 7;code = 55
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = s;code = 115
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = 2;code = 50
char = 5;code = 53
char = ;code = 32
char = S;code = 83
char = M;code = 77
char = M;code = 77
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = 1;code = 49
char = 9;code = 57
char = .;code = 46
char = 7;code = 55
char = %;code = 37
char = );code = 41
char = ;code = 32
char = e;code = 101
char = v;code = 118
char = o;code = 111
char = l;code = 108
char = v;code = 118
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = o;code = 111
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = t;code = 116
char = ;code = 32
char = M;code = 77
char = M;code = 77
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = ;code = 32
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = e;code = 101
char = v;code = 118
char = o;code = 111
char = l;code = 108
char = u;code = 117
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = r;code = 114
char = i;code = 105
char = s;code = 115
char = k;code = 107
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = b;code = 98
char = s;code = 115
char = e;code = 101
char = r;code = 114
char = v;code = 118
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = M;code = 77
char = G;code = 71
char = U;code = 85
char = S;code = 83
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = S;code = 83
char = M;code = 77
char = M;code = 77
char = ;code = 32
char = (;code = 40
char = P;code = 80
char = ;code = 32
char = <;code = 60
char = .;code = 46
char = 0;code = 48
char = 0;code = 48
char = 0;code = 48
char = 1;code = 49
char = );code = 41
char = .;code = 46
char = ;code = 32
char = G;code = 71
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = 5;code = 53
char = %;code = 37
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = r;code = 114
char = r;code = 114
char = o;code = 111
char = w;code = 119
char = ;code = 32
char = p;code = 112
char = l;code = 108
char = a;code = 97
char = s;code = 115
char = m;code = 109
char = a;code = 97
char = c;code = 99
char = y;code = 121
char = t;code = 116
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = a;code = 97
char = b;code = 98
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = B;code = 66
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = J;code = 74
char = o;code = 111
char = n;code = 110
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = ,;code = 44
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = c;code = 99
char = l;code = 108
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = r;code = 114
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = i;code = 105
char = m;code = 109
char = m;code = 109
char = u;code = 117
char = n;code = 110
char = o;code = 111
char = g;code = 103
char = l;code = 108
char = o;code = 111
char = b;code = 98
char = u;code = 117
char = l;code = 108
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = ;code = 32
char = e;code = 101
char = r;code = 114
char = y;code = 121
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = y;code = 121
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = (;code = 40
char = E;code = 69
char = S;code = 83
char = R;code = 82
char = );code = 41
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = p;code = 112
char = e;code = 101
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = f;code = 102
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = o;code = 111
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = f;code = 102
char = l;code = 108
char = u;code = 117
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = M;code = 77
char = G;code = 71
char = U;code = 85
char = S;code = 83
char = ;code = 32
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = s;code = 115
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = .;code = 46
char = ;code = 32
char = S;code = 83
char = M;code = 77
char = M;code = 77
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = g;code = 103
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = r;code = 114
char = r;code = 114
char = e;code = 101
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = g;code = 103
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = 1;code = 49
char = 0;code = 48
char = %;code = 37
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = r;code = 114
char = r;code = 114
char = o;code = 111
char = w;code = 119
char = ;code = 32
char = p;code = 112
char = l;code = 108
char = a;code = 97
char = s;code = 115
char = m;code = 109
char = a;code = 97
char = ;code = 32
char = c;code = 99
char = e;code = 101
char = l;code = 108
char = l;code = 108
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = a;code = 97
char = b;code = 98
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = B;code = 66
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = J;code = 74
char = o;code = 111
char = n;code = 110
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = m;code = 109
char = m;code = 109
char = u;code = 117
char = n;code = 110
char = o;code = 111
char = g;code = 103
char = l;code = 108
char = o;code = 111
char = b;code = 98
char = u;code = 117
char = l;code = 108
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = (;code = 40
char = I;code = 73
char = g;code = 103
char = );code = 41
char = ;code = 32
char = A;code = 65
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = t;code = 116
char = y;code = 121
char = p;code = 112
char = e;code = 101
char = .;code = 46
char = ;code = 32
char = N;code = 78
char = e;code = 101
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = d;code = 100
char = i;code = 105
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result sql = PURPOSE : To evaluate the natural history of monoclonal gammopathy of undetermined significance (MGUS) and smoldering multiple myeloma (SMM), identify early predictors of evolution, and assess whether associated conditions correlate with disease progression.

PATIENTS AND METHODS : A total of 1,231 consecutive patients with either MGUS (n = 1,104) or SMM (n = 127) diagnosed from July 1975 to March 1998 were included in the study. Cumulative survival probability and cumulative probability of transformation into lymphoproliferative disease were calculated by means of the Kaplan-Meier estimator. Univariate and multivariate Cox models were used to identify possible predictors of malignant evolution.

RESULTS : Cumulative transformation probability at 10 and 15 years was 14% and 30%, respectively. At a median follow-up of 65 months (range, 12 to 239 months), 64 MGUS cases (5.8%) evolved to multiple myeloma (MM) (n = 43), extramedullary plasmacytoma (n = 1), primary amyloidosis (n = 1), Waldenström's macroglobulinemia (n = 12), non-Hodgkin's lymphoma (n = 6), and B-chronic lymphocytic leukemia (n = 1). At a median follow-up of 72 months (range, 12 to 247 months), 25 SMMs (19.7%) evolved to overt MM. A lower evolution risk was observed in MGUS than in SMM (P <.0001). Greater than 5% marrow plasmacytosis, detectable Bence Jones proteinuria, polyclonal serum immunoglobulin reduction, and high erythrocyte sedimentation rate (ESR) were independent factors influencing MGUS transformation. SMM progression correlated with greater than 10% marrow plasma cells, detectable Bence Jones proteinuria, and immunoglobulin (Ig) A isotype. Neither concomitant diseases nor immunosuppression correlated with progression.

CONCLUSION : Careful evaluation of marrow plasmacytosis, urinary paraprotein, background immunoglobulins, ESR, and paraprotein isotype might help identify at presentation patients with benign monoclonal gammopathies requiring stricter monitoring.

Publication: J. Clin. Oncol. 2002 Mar 15 ;20(6)::1625-34.
Publication Date: 2002 Mar 15
Study Author(s): Cesana, Clara;Klersy, Catherine;Barbarano, Luciana;Nosari, Anna Maria;Crugnola, Monica;Pungolino, Ester;Gargantini, Livio;Granata, Simonetta;Valentini, Marina;Morra, Enrica;
Institution: Department of Hematology, Bone Marrow Transplantation Centre, Niguarda Cà Granda Hospital, Milan, Italy.
Shortcut link to this study:
PURPOSE : To evaluate the natural history of monoclonal gammopathy of undetermined significance (MGUS) and smoldering multiple myeloma (SMM), identify early predictors of evolution, and assess whether associated conditions correlate with disease progression.

PATIENTS AND METHODS : A total of 1,231 consecutive patients with either MGUS (n = 1,104) or SMM (n = 127) diagnosed from July 1975 to March 1998 were included in the study. Cumulative survival probability and cumulative probability of transformation into lymphoproliferative disease were calculated by means of the Kaplan-Meier estimator. Univariate and multivariate Cox models were used to identify possible predictors of malignant evolution.

RESULTS : Cumulative transformation probability at 10 and 15 years was 14% and 30%, respectively. At a median follow-up of 65 months (range, 12 to 239 months), 64 MGUS cases (5.8%) evolved to multiple myeloma (MM) (n = 43), extramedullary plasmacytoma (n = 1), primary amyloidosis (n = 1), Waldenström's macroglobulinemia (n = 12), non-Hodgkin's lymphoma (n = 6), and B-chronic lymphocytic leukemia (n = 1). At a median follow-up of 72 months (range, 12 to 247 months), 25 SMMs (19.7%) evolved to overt MM. A lower evolution risk was observed in MGUS than in SMM (P <.0001). Greater than 5% marrow plasmacytosis, detectable Bence Jones proteinuria, polyclonal serum immunoglobulin reduction, and high erythrocyte sedimentation rate (ESR) were independent factors influencing MGUS transformation. SMM progression correlated with greater than 10% marrow plasma cells, detectable Bence Jones proteinuria, and immunoglobulin (Ig) A isotype. Neither concomitant diseases nor immunosuppression correlated with progression.

CONCLUSION : Careful evaluation of marrow plasmacytosis, urinary paraprotein, background immunoglobulins, ESR, and paraprotein isotype might help identify at presentation patients with benign monoclonal gammopathies requiring stricter monitoring.
PMID: 11896113

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