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Malabsorption syndrome with IgG(lambda) M component: response to chemotherapy

E J Prokipchuk, W Pruzanski

    Canadian Medical Association Journal
    |May 22, 1976
    PubMed
    Summary
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    A patient with malabsorption and steatorrhea had a specific immunoglobulin (IgG lambda) M component and intestinal deposition, but no multiple myeloma. Treatment with melphalan and prednisone led to a positive response.

    Area of Science:

    • Gastroenterology
    • Immunology
    • Hematology

    Background:

    • Malabsorption syndrome and steatorrhea present diagnostic challenges.
    • Immunoglobulin M (IgG lambda) abnormalities can be associated with gastrointestinal disorders.
    • Distinguishing between monoclonal gammopathies and other conditions is crucial for effective treatment.

    Observation:

    • A patient presented with malabsorption syndrome and steatorrhea.
    • Laboratory tests revealed an IgG (lambda) M component in the blood.
    • Intestinal biopsy showed extracellular deposition of IgG in the intestinal wall.
    • No evidence of multiple myeloma was found.

    Findings:

    • The patient exhibited a unique IgG (lambda) M component without overt multiple myeloma.

    Related Experiment Videos

  • Extracellular IgG deposition in the intestinal wall correlated with malabsorption symptoms.
  • The patient showed a favorable clinical response to melphalan and prednisone therapy.

    • Implications:

    • This case highlights a rare presentation of IgG (lambda) M component associated with malabsorption.
    • It suggests a potential link between monoclonal gammopathies and gastrointestinal pathology.
    • The positive response to chemotherapy indicates a possible therapeutic strategy for similar cases.