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  • Title: Waldenström's macroglobulinemia: review of 45 cases.
    Author: Krajny M, Pruzanski W.
    Journal: Can Med Assoc J; 1976 May 22; 114(10):899-900, 902, 905. PubMed ID: 817791.
    Abstract:
    Of 168 patients with monoclonal IgM in the serum 45 (27%) had Waldenström's macroglobulinemia. The mean age at diagnosis was 66 years. Generalized weakness, fatigue and bleeding manifestations were the usual chief complaints. Lymphadenopathy and hepatosplenomegaly were frequent. Moderate or severe anemia was noted in 29 patients, 9 had abnormal liver function, 8 had cold agglutinemia and 7 had cryoglobulinemia. Two patients had false-positive VDRL tests. The serum concentration of IgM usually exceeded 1000 mg/dl. Comparison of IgM values obtained by immunoquantitation and electrophoresis showed two types of discrepancy: readings were too high by immunoquantitation when IgM of low molecular weight was present, and readings were too low when, probably, IgM/IgG complexes were present or the serum was hyperviscous. Bence Jones protein was detected in 71% of the urine samples tested but the concentration was usually low, exceeding 200 mg/24 h in only nine instances. The mean survival time from the time of diagnosis for the 24 patients who died was 49.5 months and for the patients who are still alive, 43 months. Survival seemed to be related to the presence of azotemia, hypoalbuminemia and abnormal liver function.
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