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Arch Intern Med. 1975 Jan;135(1):46-52.

Correlation of abnormal immunoglobulin with clinical features of myeloma.

[No authors listed]


Physical and chemical characteristics of the abnormal immunoglobulin as well as the immunoglobulin type are important determinants of the clinical features and prognosis in myeloma. A review of 270 cases of myeloma studied by the Acute Leukemia Group B showed that survival was adversely affected by azotemia. The presence of Bence Jones proteinuria adversely influenced survival even in patients who were not initially azotemic. The presence of lambda-type Bence Jones proteinuria resulted in greatly shortened survival in contrast to kappa-type Bence Jones proteinuria in the absence, or presence, of a serum IgG M-protein. The adverse effect of lambda-type Bence Jones protein could not be demonstrated in patients with IgA myeloma. Patients with IgA myeloma were found to have a noticeably shorter survival than those with IgG myeloma.

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