Publications by authors named "Yoshio Kiyama"

Several studies have shown the predictive value of elevated serum alkaline phosphatase (ALP) level in multiple myeloma (MM) patients treated with bortezomib (BTZ). We assessed the relationship between changes in ALP levels during treatment and response. Thirty patients treated with BTZ in our hospital were analyzed retrospectively.

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The regimen of cyclophosphamide, doxorubicin, vincristine, and prednisolone, known as CHOP therapy, has been established as the standard treatment for aggressive non-Hodgkin's lymphoma (NHL). Although patients categorized as low (L) and low-intermediate (L-I) risk using the International Prognostic Index have favorable prognoses in Western countries, the efficacy and safety of CHOP therapy has not been prospectively evaluated in Japan. We conducted a phase II study of CHOP in L and L-I risk Japanese patients, evaluating overall survival (OS) as the primary endpoint.

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A patient with acute myeloid leukemia had a relapse with a myeloid sarcoma of the stomach 32 months after allogeneic bone marrow transplantation. The patient was treated with the first donor lymphocyte infusion (DLI) and one course of induction chemotherapy. Due to severe infectious complication after chemotherapy, the patient could not continue chemotherapy.

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A 23-year old woman with acute biphenotypic leukemia (ABL) complained of chest pain with cough, high fever and hemoptysis during induction chemotherapy, although she had been treated with anti-biotics and micafungin. We made a clinical diagnosis of invasive pulmonary aspergillosis (IPA) based on a consolidation in the right upper lung field on a chest radiograph as well as a high level of serum beta-D-glucan (with no evidence of tuberculosis and candidiasis). We changed her treatment from micafungin to voriconazole.

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We describe a case of diffuse large B-cell lymphoma with massive portal vein tumor thrombosis in a patient with alcoholic cirrhosis. The tumor was detected only in the intrahepatic portal vein and the spermatic cord by FDG-PET/CT. Percutaneous liver biopsy and orchiectomy were performed and histological examination revealed diffuse large B-cell lymphoma.

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Background: Leukodepletion reduces but does not eliminate adverse reactions to platelet concentrate (PC). As an alternative strategy, plasma reduction or washing of platelets should be considered. However, the efficacy of this strategy is still unclear.

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A 71-year-old man was admitted to our hospital because of right lower abdominal pain. He was suspected of having acute appendicitis and soon after admission, appendectomy was performed. Macroscopically, the appendix was greatly swollen and reddened, but had no abscess.

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Background: Peripheral blood stem cell (PBSC) reinfusion has been widely used for hematopoietic reconstitution after high-dose chemotherapy. However, the optimal dose of granulocyte colony-stimulating factor (G-CSF) for PBSC mobilization in combination with chemotherapy for autograft remains unknown.

Methods: To find the optimal dose of glycosylated G-CSF (lenograstim) for PBSC mobilization in combination with chemotherapy for aggressive non-Hodgkin's lymphoma (NHL), we conducted a dose-finding study on 43 newly diagnosed patients who had unfavorable prognostic factors.

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Recombinant human granulocyte colony stimulating factor (rhG-CSF)-mobilized peripheral blood stem cells (PBSC) are now widely used for allogeneic PBSC transplantation (alloPBSCT). Large numbers of hematopoietic progenitor cells mobilized by rhG-CSF would be considered equivalent or better than bone marrow (BM) cells and would be used as an alternative to BM for allogeneic hematopoietic stem cell transplantation. The complications associated with the administration of rhG-CSF and apheresis in PBSC collection in formal donors are well tolerated and usually acceptable in the short term but some hazardous adverse events such as splenic rupture and cardiac arrest are reported although the incidence is very low.

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