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Although the incidence of perforation after endoscopic procedures of the colon is low, the rising number of diagnostic colonoscopies could pose relevant health problems. Optimizing treatment may reduce the probability of severe complications. This study aimed to determine perforation frequency and the management of perforations that occurred during(More)
BACKGROUND AND STUDY AIMS The effectiveness of the prophylactic clip for the prevention of postpolypectomy bleeding in pedunculated colonic polyps has not been confirmed. The aim of this prospective, randomized study was to compare the efficacy of prophylactic clip and endoloop application in the prevention of postpolypectomy bleeding in large pedunculated(More)
BACKGROUND Various training programs in colonoscopy recommend that trainees should perform at least 100 to 200 procedures to be considered technically competent at diagnostic colonoscopy. OBJECTIVE Our purpose was to determine the adequate level of training for technical competence in screening and diagnostic colonoscopy. DESIGN A prospective(More)
BACKGROUND/AIMS Techniques for endoscopic evaluation of gastrointestinal subepithelial lesions include conventional endoscopy, jumbo biopsy, endoscopic ultrasonogrphy (EUS), EUS-guided fine needle aspiration, and endoscopic submucosal resection. However, these procedures have many limitations, such as low diagnostic yields and high complication rates. We(More)
BACKGROUND/AIMS The aim of this study was to determine whether the routine closure of mucosal defects after endoscopic submucosal dissection (ESD) can enhance mucosal healing and reduce ESD-associated bleeding. METHODS Patients with gastric epithelial neoplasias and no obvious submucosal invasion were prospectively enrolled. Mucosal defects were left(More)
Myxedema ascites caused by hypothyroidism is rare, so its diagnosis is often delayed and patients frequently receive unnecessary procedures such as liver biopsies and exploratory laparotomies. We report a 71-yr-old man with clinical ascites that was the first manifestation of hypothyroidism, and which resolved completely in response to thyroid hormone(More)
Metastatic gastric cancer is extremely rare and gastric metastasis from ovarian adenocarcinoma has rarely been reported. All of the previously reported metastatic lesions presented as an ulcerative lesions. We report a case of 49-year-old woman in which gastric metastasis from ovarian adenocarcinoma presented as a submucosal tumor without ulceration on(More)
BACKGROUND/AIMS Although colorectal adenoma is reported to recur frequently, this may result from missing it at baseline. However, few studies of recurrence have considered the miss rate. This study evaluated the recurrence rate prospectively and clinical predictors of recurrence in colorectal adenoma after lowering the miss rate. METHODS The study(More)