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We sought to clarify the role of high-dose chemotherapy followed by autologous hematopoietic stem cell transplantation (auto-HSCT) and allogeneic hematopoietic stem cell transplantation (allo-HSCT) to treat blastic plasmacytoid dendritic cell neoplasm (BPDCN). We retrospectively identified 25 BPDCN patients (allo-HSCT, n = 14; auto-HSCT, n = 11) from(More)
Various gene mutations have been reported in patients with myelodysplastic syndrome (MDS). Serial studies of mutations during follow-up are important for investigating the stability of the mutations for use as minimal residual disease (MRD) markers. Sequential quantitative analyses of 5 patients with spliceosome-related gene mutations by allele-specific(More)
Multiple brain tumors of diffuse large B cell lymphoma (DLBL) were observed in a 75-year-old man with Waldenström's macroglobulinemia (WM). Paravertebral and multiple subcutaneous nodules occurred in succession and he died 4 months after onset. We investigated B cell monoclonality by means of polymerase chain reaction (PCR) analysis and sequencing of the(More)
NK cell-type lymphoproliferative disease of granular lymphocytes can be subdivided into aggressive NK-cell leukemia (ANKL) and chronic NK-cell lymphocytosis (CNKL). Hepatosplenomegaly is observed in ANKL patients, and hepatic failure is a common cause of death. Significant numbers of ANKL cells were pathologically observed in sinusoidal and interlobular(More)
Simple coverage of the left subclavian artery (LSA) in thoracic endovascular aortic repair (TEVAR) is still a controversial procedure. We present our modified strategy dealing with LSA in TEVAR. Hand-made stent grafts were placed more proximal beyond the LSA for 104 patients. In elective 76, preoperative LSA occlusion test was performed on 31 patients, and(More)
Open repair of aortic aneurysm causes spinal cord perfusion pressure to decrease due to the steal phenomenon from the bleeding of intercostal arteries and cross-clamping of the aorta. We attempted to perfuse the intercostal arteries for preoperative detection of the artery of Adamkiewicz using newly developed catheters. Fifteen patients underwent selective(More)
Large granular lymphocyte leukemia (LGL L) has been morphologically characterized as a group of lymphoproliferative diseases that include T-cell large granular lymphocytic leukemia (T-LGL L) and chronic lymphoproliferative disorders of natural killer cells (CLPD-NK). We investigated mutations in the Src homology 2 (SH2) domain of the signal transducer and(More)
Resection of the inferior vena cava (IVC) is occasionally performed for patients with advanced malignancy in the retroperitoneum. In the current study, we assessed the oncological effectiveness of IVC resection combined with tumor resection. We also addressed peri- and postoperative complications associated with resection and reconstruction of the IVC.(More)
To investigate the natural course of type 2 endoleaks (T2Es) and to identify the risk factors associated with a persistent T2E after endovascular aneurysm repair (EVAR). The medical records of patients who underwent EVAR for the treatment of an atherosclerotic abdominal aortic aneurysm between October 2006 and December 2011 at our institute were reviewed.(More)