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Related Experiment Videos

[Type I cryoglobulinemia]

H G Höffkes1, F Weber, U Helmchen

  • 1Abteilung für Hämatologie, Universität Essen.

Deutsche Medizinische Wochenschrift (1946)
|July 14, 1995
PubMed
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This case study highlights a patient with IgG-lambda monoclonal gammopathy who developed severe vasculitis, acute kidney injury, and leg ulcers. Treatment with chemotherapy and plasma exchange led to remission of cryoglobulinemia and recovery of renal function.

Area of Science:

  • Nephrology
  • Hematology
  • Rheumatology

Background:

  • A 52-year-old male presented with a 2-year history of recurrent purpura, arthralgia, and fever.
  • The patient had a known history of abnormal monoclonal gammaglobulins (IgG-lambda) and vasculitis.

Observation:

  • The patient experienced acute renal failure and necrotizing leg ulcers during a disease flare.
  • Laboratory findings included elevated inflammatory markers, anemia, leukocytosis, thrombocytosis, impaired renal function, proteinuria, and nephritic urinary sediments.
  • Immunoglobulin analysis revealed IgG3 subtype, cryoglobulinemia, and undetectable complement levels.
  • Bone marrow biopsy showed plasmacytoma infiltration, and renal biopsy confirmed necrotizing arteritis with IgG and complement deposition.

Findings:

Related Experiment Videos

  • Treatment with three plasma exchanges followed by vincristine, doxorubicin, and dexamethasone resulted in normalization of creatinine levels.
  • The patient's necrotizing ulcers showed slow healing.
  • Cryoglobulin activity has been absent for 24 months post-treatment.

    • Implications:

    • This case demonstrates the successful management of severe vasculitis and associated complications in a patient with IgG-lambda monoclonal gammopathy and plasmacytoma.
    • Aggressive treatment including chemotherapy and plasma exchange can induce remission and improve outcomes in such complex cases.
    • Early diagnosis and intervention are crucial for managing renal failure and cutaneous manifestations of monoclonal gammopathy-associated vasculitis.