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[Mantle cell lymphoma associated with hyper-IgE syndrome]
Y Takimoto1, F Imanaka, K Nanba
1Department of Internal Medicine, Hiroshima City Asa Hospital.
[Rinsho Ketsueki] the Japanese Journal of Clinical Hematology
|December 1, 1996
Summary
This study reports a rare case of mantle cell lymphoma co-occurring with hyper-immunoglobulin E syndrome in a 69-year-old woman. The findings suggest a potential link between immune dysregulation in hyper-IgE syndrome and the development of malignant lymphoma.
Area of Science:
- Immunology
- Hematology
- Oncology
Background:
- Mantle cell lymphoma (MCL) is a rare non-Hodgkin lymphoma.
- Hyper-immunoglobulin E syndrome (HIES) is a primary immunodeficiency characterized by extremely high IgE levels and recurrent infections.
Observation:
- A 69-year-old woman presented with generalized lymphadenopathy and splenomegaly.
- She was diagnosed with mantle cell lymphoma and hyper-IgE syndrome, marked by elevated IgE (174,780 u/ml), chronic dermatitis, and recurrent infections.
- Immunophenotyping revealed increased CD5(+), Sm-IgM(+), and SmIgD(+) lymphocytes in lymph nodes, spleen, and bone marrow.
Findings:
- Interleukin-4 (IL-4) was implicated in HIES due to observed increased IgG1 and reduced IgG2 levels.
- The study suggests that immunological abnormalities associated with HIES may contribute to the development of malignant lymphoma.
Implications:
- This case highlights a potential link between primary immunodeficiency and lymphomagenesis.
- Further research into immune dysregulation in HIES could reveal novel therapeutic targets for associated malignancies.