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[Acute leukemia in two brothers].
Yoshie Kuno1, Nobuhiko Noda, Takashi Fukatsu
1Division of Hematology, Department of Internal Medicine, Gifu Prefectural Tajimi Hospital.
Summary
Familial leukemia occurred in two brothers, one with refractory anemia and the other with acute leukemia. Environmental factors and genetic defects in hematopoietic stem cells may contribute to this familial leukemia.
Area of Science:
- Hematology
- Oncology
- Genetics
Background:
- Two brothers were diagnosed with leukemia within months of each other.
- One brother had refractory anemia, progressing to overt leukemia, while the other had acute leukemia with trilineage myelodysplasia.
Observation:
- Both brothers underwent allogeneic bone marrow transplantation (BMT).
- Conventional chemotherapy failed to achieve complete remission in the second brother.
Findings:
- The occurrence of leukemia in siblings suggests a potential genetic predisposition.
- The cases indicate a possible link between environmental factors and genetic defects in pluripotent hematopoietic stem cells.
Implications:
- Further research into genetic and environmental influences on familial leukemia is warranted.
- Understanding these factors could lead to improved diagnostic and therapeutic strategies for leukemia.