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There is an increasing incidence of the evolution of myelodysplastic syndrome (MDS) from aplastic anaemia (AA) with immunosuppressive treatment. In paediatric patients G-CSF is also reported to increase MDS evolution, but this process is not precisely understood in children or in adults. Therefore risk factors of MDS evolution in adults are evaluated here.(More)
We investigated the significance of the platelet indices, mean platelet volume (MPV), platelet size deviation width (PDW), and platelet-large cell ratio (P-LCR), in the diagnosis of thrombocytopenia by comparing these levels in 40 patients with hypo-productive thrombocytopenia (aplastic anaemia; AA) and 39 patients with hyper-destructive thrombocytopenia(More)
Hemophagocytic syndrome (HPS) presents with fever, pancytopenia, liver dysfunction and increase in hemophagocytic histiocytes in various organs. Although there are two major classifications of HPS in adults, malignant and reactive histiocytosis, it is often very difficult to distinguish between these disorders. We analyzed the laboratory data of patients(More)
A 59-year-old man was admitted to our hospital because of fever in August 1991. Bone marrow showed normocellularity with 41.5% of CD13, 14, 33 positive blasts, and a diagnosis of AMMoL was made. Laboratory investigation revealed hyponatremia and elevated serum ADH level, indicating the syndrome of inappropriate secretion of antidiuretic hormone (SIADH).(More)
Two cases of hypereosinophilic syndrome (HES) that seemed to be myeloproliferative disorders were treated with interferon-alpha (IFN-alpha). Case 1 was a 45-year-old man with HES who was unresponsive to prednisolone. Because Flaum's hematologic grading score was 8 points, he was diagnosed as a myeloproliferative variant of HES. Although his condition was(More)
The T cell-lineage marker CD2 is sometimes expressed in acute promyelocytic leukemia (APL), and CD2 expression is reported to correlate with some clinical characteristics. However, the significance of CD2 expression in APL has not been fully elucidated. We evaluated CD2 expression in APL treated by the same treatment strategy in a single institute, and(More)
Some patients with hairy cell leukemia (HCL) manifest pancytopenia and bone marrow hypoplasia without an apparent increase in atypical cells, so their disease resembles severe aplastic anemia at onset. We treated 2 HCL patients, who were initially diagnosed with aplastic anemia, with antithymocyte globulin (ATG) in combination with cyclosporine or(More)
We compared detection rates and counts of nucleated red blood cell (NRBC) in the peripheral blood of survivors and nonsurvivors (total 44 patients) of stem cell transplantation. The rate of NRBC detection increased to 79.5% after transplantation. After engraftment, the detection rate of NRBC decreased to 17.0% in survivors, but increased to 100% in(More)
Primary central nervous system lymphoma (PCNSL) is a rare disease, especially among non-AIDS patients. Although almost all PCNSLs belong to the diffuse large B-cell lymphoma (DLBL) category, its clinical course differs from that of other types of DLBL. To elucidate the histogenesis of PCNSL, we analyzed the source of the cells from its variable region (VH)(More)