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To validate the usefulness of sennoside as a substitute for polyethylene glycol (PEG) as a mechanical bowel preparation (MBP) for elective colon cancer surgery. We performed a prospective randomized non-inferiority trial comparing the use of sennoside and PEG in MBP for elective colon cancer surgery, in terms of the risk of surgical site infection (SSI) and(More)
We analyzed data on the three-dimensional vascular anatomy of the right colon from the operative documents of 215 patients undergoing oncologic resection for right colon cancer. The right colic artery (RCA) was absent in 146 patients (67.9%), with the ileocolic artery (ICA) crossing the superior mesenteric vein (SMV) ventrally in 78 patients (36.3%). When(More)
AIM To clarify the relations between tumor differentiation phenotype and tumor invasion or genetic alterations in gastric differentiated-type tumors. METHODS We examined the tumor differentiation phenotype, the presence of mutations in APC and p53, and the microsatellite instability (MSI) status in 48 gastric adenomas and 171 differentiated-type(More)
BACKGROUND Recently, gastrointestinal cancer has also been identified as a target for sentinel node navigation surgery (SNNS). This study is the first to determine the feasibility of sentinel node (SN) mapping guided by indocyanine green (ICG) fluorescence imaging in gastrointestinal cancer. METHODS Our series consisted of 22 patients with gastric cancer(More)
The aim of the current study was to examine whether polymorphisms in drug metabolism genes have any clinical impact on patients treated with 5‑fluorouracil (FU)/oxaliplatin for metastatic colorectal cancer (MCRC). In total, 63 patients with MCRC were recruited and treated with a modified FOLFOX6 (mFOLFOX6) treatment as a first‑line chemo-therapy.(More)
OBJECTIVE In this study, we determined the possible usefulness of sentinel node (SN) mapping guided by indocyanine green (ICG) fluorescence imaging in the management of gastric cancer. SUMMARY BACKGROUND DATA ICG fluorescence imaging system has recently been developed for obtaining biochemical information from living tissues. METHODS Our series(More)
The aim of this study was to investigate the prevalence of Lynch syndrome among Japanese patients with surgically resected colorectal cancer at a single institution. Of 616 colorectal cancer patients who underwent surgical operation in our institution from January 2005 to August 2010, immunohistochemistry analyses for mismatch repair proteins (MLH1, MSH2,(More)
BACKGROUND Indocyanine green (ICG) fluorescence imaging has recently been reported as a new method for sentinel node (SN) mapping in several types of cancers. In this study, we determined the possible usefulness of SN mapping guided by ICG fluorescence imaging during laparoscopy-assisted gastrectomy (LAG) for gastric cancer. METHODS Our series consisted(More)
To investigate the recent incidence of malignant tumors associated with Peutz–Jeghers syndrome (PJS) in Japan to clarify if there are any differences in malignant tumor risk and the spectrum of malignancies by reviewing the literature on this subject. We reviewed PJS cases reported in 1115 papers in Japan between January, 1989 and December, 2014. Malignant(More)