Macroglobulinemia
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| Macroglobulinemia Classification and external resources |
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| ICD-9 | 273.3 |
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| MeSH | D008258 |
Macroglobulinemia is the presence of increased levels of macroglobulins in the circulating blood. A plasma cell dyscrasia resembling leukemia with cells of lymphocytic, plasmacytic, or intermediate morphology, which secrete an immunoglobulin M monoclonal component. There is diffuse infiltration of bone marrow and also, in many cases, of the spleen, liver, or lymph nodes. The circulating macroglobulin produces symptoms of hyperviscosity syndrome: weakness, fatigue, bleeding disorders, and visual disturbances. Peak incidence is in the sixth and seventh decades. (Dorland, 28th ed)
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