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Familial primary gastric lymphoma
D Hayoz1, M Extermann, B F Odermatt
1Institute of Biochemistry, University of Lausanne, Switzerland.
Gut
|January 1, 1993
Summary
Familial gastric lymphoma, though rare, occurred in three relatives without immunodeficiency. This study details B-cell lymphomas in two sisters and their father, highlighting a unique genetic link.
Area of Science:
- Oncology
- Genetics
- Immunology
Background:
- Familial lymphoma is rare and often linked to hereditary immunodeficiencies.
- Primary gastric lymphomas are uncommon, especially within families without overt immune disorders.
Observation:
- Three adult family members presented with primary gastric lymphomas.
- Two sisters had low-grade mucosa-associated lymphoid tissue (MALT) lymphoma.
- Their father developed a high-grade lymphoma later in life.
Findings:
- All lymphomas were B-cell in origin.
- Epstein-Barr virus (EBV) DNA was detected in the high-grade lymphoma.
- The characteristic t(14:18) translocation was absent in all cases.
Implications:
- Suggests a potential genetic predisposition to gastric lymphoma independent of known immunodeficiencies.
- Highlights the importance of family history in diagnosing gastric lymphomas.
- Further research into genetic factors influencing gastric B-cell lymphoma development is warranted.