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Waldenström macroglobulinaemia is an indolent lymphoplasmacytic lymphoma associated with an IgM monoclonal protein.
Quick Answer
Waldenström macroglobulinaemia is an indolent lymphoplasmacytic lymphoma associated with an IgM monoclonal protein. Dr. Sachita Baniya (NMC 20158, 8+ years of clinical experience in haematology and haemato-oncology) evaluates waldenström macroglobulinaemia at Kathmandu Neurology Clinic & Cognitive Center, 117 Lal Durbar Marg, Kathmandu, Bagmati Province 44600, Nepal — evidence-based, medically reviewed.
Waldenström macroglobulinaemia can cause anaemia, lymphadenopathy, hyperviscosity, neuropathy and cryoglobulinaemia. MYD88 and CXCR4 mutation testing informs diagnosis and treatment. Treatment is reserved for symptomatic or progressive disease.
Diagnosis requires bone marrow assessment and an IgM monoclonal protein. MYD88 and CXCR4 testing support diagnosis. Serum viscosity, cryoglobulins and cold agglutinins are checked when symptoms suggest complications.
Asymptomatic patients are observed. Treatment options include rituximab-based therapy, BTK inhibitors, proteasome inhibitor combinations and chemoimmunotherapy. Plasmapheresis is used for symptomatic hyperviscosity.
Management is individualized and discussed with benefits, limitations, and follow-up.
There is no proven prevention. Monitoring for hyperviscosity and transformation is important.
Red flags — seek urgent care
It is generally not curable with standard therapy but is often indolent and controllable for years. Treatment is started when symptoms or complications develop.
High IgM levels can thicken the blood, causing headache, blurred vision, nosebleeds, confusion and breathlessness. It is a medical emergency treated with plasmapheresis.
MYD88 L265P supports the diagnosis, and CXCR4 mutations can influence response to BTK inhibitors and prognosis.
Yes. IgM can cause peripheral neuropathy, sometimes with anti-MAG antibodies. This requires neurological and haematological assessment.
Plasmapheresis quickly lowers IgM and relieves hyperviscosity, but it does not treat the underlying clone. Systemic therapy is needed as well.
A small proportion of patients develop a more aggressive lymphoma. Rapid growth, new systemic symptoms or rising LDH should be investigated.
Transfusions may be needed for anaemia, but they can raise viscosity. The team individualises the decision.
Regular blood counts, IgM levels, clinical review and monitoring for hyperviscosity, neuropathy and transformation.
Specialist assessment for abnormal blood counts, anaemia, low platelets, bleeding, clotting and suspected blood disorders.
Diagnosis, staging and treatment planning for Hodgkin and non-Hodgkin lymphomas.
Cytogenetics, FISH, PCR and next-generation sequencing for blood cancers.
Non-Hodgkin lymphoma is a group of lymphoid cancers that includes indolent and aggressive subtypes.
Multiple myeloma is a cancer of plasma cells that causes bone disease, anaemia, kidney problems and immune suppression.
MGUS is a common precursor plasma cell condition with a small monoclonal protein and no organ damage.
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Reviewed by Dr. Jitendra Prasad Yadav • Last reviewed: 2026-11-10
Content is educational and aligns with standard medical references; individual evaluation may vary. External links provide context and do not imply endorsement.
Doctor — medically reviewed
Dr. Sachita Baniya
Consultant Haemato-Oncologist & Clinical Hematologist • MBBS, FCPS (Clinical Haematology) • NMC 20158
This condition guide was medically reviewed by Dr. Sachita Baniya.
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