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A clonal neoplasm of small B-lymphocytes, lymphoplasmacytoid cells, and plasma cells involving the bone marrow, lymph nodes, and the spleen. The majority of patients have a serum IgM paraprotein. Lymphoplasmacytic lymphoma/Waldenström\'s Macroglobulinemia is a relatively rare condition accounting for approximately 2% of hematologic malignancies. Symptoms include: weakness and fatigue, hemorrhagic manifestations, weight loss, and visual disturbances. Physical findings include: hepatomegaly, splenomegaly, fundic changes, adenopathy, neurologic abnormalities, and purpura. The most common laboratory finding is anemia. Treatment includes: chemotherapy (alkylating agents, nucleoside analogues) radiotherapy, and plasmapheresis. Bone marrow transplant is being investigated. Asymptomatic patients may be monitored without treatment until complications occur. Check for \'https://www.cancer.gov/about-cancer/treatment/clinical-trials/intervention/C3212\' active clinical trials using this agent. (\'http://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C3212\' NCI Thesaurus)
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