[Rinshō ketsueki] The Japanese journal of clinical hematology
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The purpose of this study was to evaluate patients who contracted the varicella zoster virus infection (VZV) following their allogeneic stem cell transplants. We retrospectively reviewed the incidence and the timing of varicella zoster virus (VZV) infections, including the clinical course, complications, and associated clinical risk factors. Between January 1998 and April 2003, a total of 71 patients received allogeneic stem cell transplants in our hospital. ⋯ Treatment with acyclovir (oral or drip infusion) was successful in 25 patients. Two patients improved with vidarabine treatment, however the patient with the visceral infection died despite the use of acyclovir. The incidence of visceral infection was low, but the one case was fatal.
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Case Reports
[Imatinib mesylate plus G-CSF therapy for chronic myelogenous leukemia in the blastic crisis].
Imatinib mesylate (imatinib) has shown significant effects in patients with chronic myelogenous leukemia. However, hematological toxicity often occurs and requires dosage reduction or discontinuation of imatinib treatment. ⋯ There are a few reports on the efficacy of combined therapy with G-CSF and imatinib; however, the results in our case are rare suggesting that the use of G-CSF is effective for preventing severe infection. G-CSF enables continuous treatment with high-dose imatinib.
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A 60-year-old male was referred to our hospital because of cervical lymphadenopathy and a left hilar abnormal shadow seen on chest X-ray in May 1999. The pathological findings of the cervical lymph nodes revealed that the patient had a malignant lymphoma, of the diffuse large B cell type, at clinical stage IIIB. Immunohistochemistry demonstrated that the lymphoma cells were positive for CD11a, CD19, CD20, CD23, CD25, CD45, IgM, IgD and lambda, but negative for CD5. ⋯ A series of chemotherapy including high-dose MTX was ineffective, and the patient died in August 2003. Autopsy findings revealed the systemic intra-capillary infiltration of CD20 negative-lymphoma cells into multiple organs, including the lungs, liver, and kidneys. A CD20 negative-clone selected by rituximab therapy appeared to have expanded in this case.