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BACKGROUND Portal or splenic vein thrombosis (PSVT) is a common disorder after laparoscopic splenectomy (LS). Splenomegaly is a well-known risk factor for PSVT. However, no treatment strategy for PSVT has been established. METHODS Thirty-three consecutive patients who had undergone LS and postoperative imaging surveillance were examined. PSVT was(More)
PURPOSE Free malignant cells in the peritoneal cavity might play a role in the metastasis process. However, this phenomenon needs further elucidation. The aims of this study were to investigate the frequency of free cancer cells detected on cytologic examination of lavage fluid after peritoneal washing in patients undergoing curative surgery for colorectal(More)
The structures of neutral and acidic glycosphingolipids from both normal colorectal epithelial cells and colorectal cancer cells, which were highly purified with the epithelial cell marker CD326, have been analyzed. The analysis was performed on samples from 16 patients. The carbohydrate moieties from glycosphingolipids were released by endoglycoceramidase(More)
BACKGROUND Obesity and metabolic disorders related to it have become a serious problem in Asia. Furthermore, gastric cancer in Asia is one of the frequent diseases on which to perform treatments. We introduced the technique of laparoscopic sleeve gastrectomy with duodenojejunal bypass (LSG/DJB) for patients with a risk of gastric cancer and compared the(More)
BACKGROUND Presence of minute cancer cell dissemination in peritoneal lavage fluid detected by reverse transcription polymerase chain reaction (RT-PCR) has been reported to be a reliable predictor of the prognosis in several kinds of cancers, but has not been determined in pancreatic cancer. METHODS Peritoneal lavage fluid was harvested just after a(More)
The oncogenic beta-catenin/T-cell factor (TCF) signal is a common trigger inducing expressions of various cancer-related genes and is activated in various types of human malignancy. The aim of this study was to create an effective double-stranded DNA decoy that would interfere with endogenous TCF hyperactivity in tumor cells. We first established the(More)
BACKGROUND Laparoscopic sleeve gastrectomy with duodenojejunal bypass (LSG-DJB) has been designated as a novel bariatric surgery procedure. This combination of sleeve gastrectomy and proximal intestinal bypass theoretically offers an effective and prolonged anti-diabetes effect. This is a follow-up of our institution's previous report on the short-term(More)
Clinical studies have shown that oxaliplatin, a novel platinum derivative, is a potent chemotherapeutic agent for colorectal cancer when combined with 5-fluorouracil and leucovorin. Although the toxic activity is based on covalent adducts between platinum and DNA, its actual biological behavior is mostly unknown. In an effort to explore the mechanism of(More)
Clinical studies have shown that oxaliplatin, a novel platinum derivative, is a potent chemotherapeutic agent for colorectal cancer when combined with 5-fluorouracil and leucovorin. Although the toxic activity is based on covalent adducts between platinum and DNA, its actual biological behavior is mostly unknown. In an effort to explore the mechanism of(More)
BACKGROUND Nonalcoholic steatohepatitis (NASH) is common in the morbidly obese. It is a condition that can lead to progressive fibrosis and cirrhosis. We determined the prevalence in a population undergoing bariatric surgery and evaluated the possible serologic predictors before the development of fibrosis. METHODS Liver biopsies were taken from 370(More)