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The field of nanotechnology holds great promise for the diagnosis and treatment of human disease. However, the size and charge of most nanoparticles preclude their efficient clearance from the body as intact nanoparticles. Without such clearance or their biodegradation into biologically benign components, toxicity is potentially amplified and radiological(More)
OBJECTIVE To analyze the long-term results of distal pancreatectomy with en bloc celiac axis resection (DP-CAR), a newly designed extended surgical procedure for locally advanced cancer of the pancreatic body. SUMMARY BACKGROUND DATA Pancreatic body cancer often involves the common hepatic artery and/or the celiac axis and is regarded as an unresectable(More)
OBJECTIVE Our objective was to perform a prospective study of surgical treatment of hilar cholangiocarcinoma according to newly established guidelines for performing safe and curative resections. SUMMARY BACKGROUND DATA The poor survival rate after resection of hilar cholangiocarcinoma is considered to be mainly the result of in-hospital death and(More)
Controversy exists over the preferred technique of preoperative biliary drainage (PBD) in patients with hilar cholangiocarcinoma (HCA). The goal of this retrospective study was to identify the preferred technique of PBD for HCA. A total of 128 consecutive patients with HCA diagnosed between September 1999 and December 2009 who underwent PBD were included in(More)
5,10-Methylenetetrahydrofolate reductase (MTHFR), a key enzyme involved in folate metabolism, has two common polymorphisms that affect enzyme activity. The objective of this study was to examine whether there was a correlation between the genotype or haplotype of the MTHFR gene and the efficacy or toxicity of methotrexate (MTX) in the treatment of(More)
Locally advanced cancer of the pancreatic body involving the celiac and/or common hepatic arteries is often considered unresectable. Radical distal pancreatectomy with en bloc resection of these arteries without reconstruction was recently introduced to treat these tumors. However, experience is still limited. This study reviewed the safety and utility of(More)
BACKGROUND The aim of this study was to determine whether the invisible near-infrared (NIR) fluorescence properties of methylene blue (MB), a dye already approved by the U.S. Food and Drug Administration for other indications, could be exploited for real-time, intra-operative identification of the ureters. METHODS The optical properties of MB were(More)
OBJECTIVE To clarify the clinical features of systemic lupus erythematosus (SLE) complicated with pulmonary hypertension (PH) and to evaluate the efficacy of immunosuppressive treatment. METHODS Case records were reviewed for 194 patients with SLE who were admitted to Aoyama Hospital of Tokyo Women's Medical University between 1992 and 1999. There were 12(More)
The objective of this study was to show whether the disease activity of rheumatoid arthritis (RA) patients had improved in Japan, and whether the improvement of disease activity had resulted in a better outcome of patients. In a single-institute-based prospective observational cohort of RA patients (Institute of Rheumatology, Rheumatoid Arthritis, IORRA), a(More)