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BACKGROUND Although recent guidelines for endoscopic submucosal dissection (ESD) as treatment for early gastric cancer (EGC) recommend noninterruption of low-dose aspirin (LDA) perioperatively, this strategy is controversial. It was our practice to interrupt LDA therapy 5-7 days before to ESD until December 2010, when we instituted the new guidelines and(More)
Background. Recently, endoscopic submucosal dissection (ESD) has become a standard treatment method for early gastric cancer and concurrent stomach preservation. However, metachronous recurrences have become a major problem. We evaluated the incidence and clinicopathologic features of and examined the risk factors for metachronous gastric tumors. Methods. A(More)
BACKGROUND Although endoscopic submucosal dissection (ESD) is a widely accepted treatment for early gastric cancer (EGC), there is no consensus regarding the management of positive horizontal margin (HM) despite en bloc ESD. The aim of the current study was to identify the risk factors and optimal management of positive HM in EGCs resected by en bloc ESD.(More)
BACKGROUND According to the Japanese Gastric Cancer Treatment Guidelines, the expanded criteria for endoscopic resection (ER) of undifferentiated-type early gastric cancer (UEGC) is ulcer-negative, intramucosal cancer 20 mm or less in diameter without lymphovascular invasion. The aim of this study was to confirm validity of the expanded criteria for(More)
BACKGROUND AND AIM Endoscopic submucosal dissection (ESD) is a widely accepted treatment for early gastric cancer (EGC), and the number of ESD performed for EGC in patients with chronic kidney disease (CKD) is increasing. Although patients undergoing hemodialysis tend to bleed and are at high risk for cardiovascular disease, the effectiveness and safety of(More)
We examined the re-bleeding rate after endoscopic hemostasis according to the bleeding pattern in patients with an acute lower gastrointestinal hemorrhage from colonic diverticula in 34 patients with active bleeding (Type 1) and 49 patients with exposed vessels and/or erosions in the base of diverticulum and no active bleeding (Type 2). Endoscopic(More)
One-hundred twenty-one male and 93 female subjects, aged 18-23 years, were selected for an investigation of the proportion of subcutaneous to total fat in the whole body. Body fat mass was calculated from body density using the Siri equation. Subcutaneous fat mass was calculated by measuring skinfold thickness at 15 sites and using a modification of the(More)
BACKGROUND Identifying a precise demarcation line (DL) is indispensable for pathological complete en bloc endoscopic submucosal dissection (ESD) for early gastric cancer (EGC). We evaluated the useful condition of chromoendoscopy with indigo carmine and acetic acid for marking dots around lesions before ESD for EGC. METHODS We examined 98 consecutive(More)
No previous study has confirmed the safety of endoscopic submucosal dissection (ESD) for early gastric cancer (EGC) in the super-elderly patient population. The current study aimed to evaluate the validity of ESD for EGC in super-elderly patients aged ≥85 years with comorbidities. Our study group included 85 super-elderly patients (102 EGCs) who were(More)