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Endoscopic resection of colonic submucosal tumors (SMTs) is challenging and carries a high risk of perforation. In this prospective pilot study we aimed to evaluate the feasibility, safety, and efficacy of endoscopic full-thickness resection of colonic SMTs. The study enrolled 19 consecutive patients with colonic SMTs 3 cm in size or smaller. In 18 of the(More)
The isolation failure of cement-formation interface is an important and urgent problem in oil production, while an effective way to solve it is to realize the integrated solidification and cementation of cement-formation interface (ISC-CFI). In order to study the kinetics of ISCCFI with MTA (Mud Cake to Agglomerated Cake) method, the Diamond Differential(More)
Surface non-uniformity of skin tumors is an important hint in the early diagnosis of malignant melanomas in clinic. A virtual contour modeling the surface inhomogeneity is proposed in the paper to evaluating region inhomogeneity of skin tumors. A novel feature cluster, combined irregular and asymmetric descriptors of virtual contour, is formed to describing(More)
OBJECTIVE To evaluate the efficacy and safety of endoscopic submucosal dissection (ESD) for the treatment of gastrointestinal cysts. METHODS Clinicopathological data of 40 patients with gastrointestinal cyst undergoing ESD in our center during January 2008 and February 2012 were analyzed retrospectively. Complications, en bloc resection rate, and local(More)
OBJECTIVE The objective of this study is to evaluate the feasibility and efficacy of endoscopic full-thickness resection (EFTR) and fully covered retrievable self-expandable metal stents (SEMSs) placement for this kind of tumors. METHODS A total of six consecutive patients, presenting with esophageal and GE junction SMTs, received EFTR and SEMSs placement(More)
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