Three AML patients with existing or pre-existing intracerebral granulocytic sarcomas who were successfully treated with allogeneic bone marrow transplantations

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Abstract

We report three acute myelogenous leukemia (AML) patients who developed intracerebral granulocytic sarcomas (GS) and were successfully treated with allogeneic BMT (allo-BMT). The diagnosis of one patient was AML M2 with myelofibrosis, and the other two patients were AML M4 with eosinophilia (AML M4 Eo), according to the FAB classification. Two patients first experienced a relapse in the brain that resulted in the formation of GS, followed by a relapse in the bone marrow. The remaining patient developed an optic nerve GS after suffering a bone marrow relapse. All three patients received irradiation for the GS and systemic chemotherapy before the allo-BMT. TBI was used for conditioning, and GVHD prophylaxis was with cyclo- sporine (CsA) and short-term MTX in all three cases. These patients are currently 9 to 37 months post-BMT without relapse. Thus, our experience suggests that allo-BMT is an effective treatment for AML patients with existing or pre-existing intracerebral GS.

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Takada, S., Ito, K., Sakura, T. et al. Three AML patients with existing or pre-existing intracerebral granulocytic sarcomas who were successfully treated with allogeneic bone marrow transplantations. Bone Marrow Transplant 23, 731–734 (1999) doi:10.1038/sj.bmt.1701635

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Keywords

  • AML
  • intracerebral granulocytic sarcoma
  • allogeneic BMT

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