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Gastric subepithelial masses might harbour gastrointestinal stromal tumors, which should get resected because of their malignant potential. To minimize the associated surgical trauma endoscopic endoluminal resection is favorable. Therefore in the current study endoscopic resection of gastric subepithelial masses is investigated. Since there is a certain risk of perforation due to the procedure, perforations get closed by placement of endoscopic clips (over-the-scope-clip [OTSC] clips).
During an initial pilot phase 8 patients receive endoscopic resection under laparoscopic control. Thereafter and after positive initial results sole endoluminal endoscopy is done for a total of 38 patients.
Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Gastric Subepitelial Mass
Klinikum rechts der Isar
Technische Universität München
Published on BioPortfolio: 2014-07-23T21:09:31-0400
Prospective observational trial. A full thickness resection of gastric subepithelial tumors is performed after application of full thickness sutures underneath the tumor with the GERDX(TM)...
Subepithelial gastric tumors are rare and usually detected incidentally. Most subepithelial tumors (SET) are benign but up to 13% of all lesions can be malignant. Histology after needle bi...
Comparison of Endoscopic and Laparoscopic Resection for Small Gastric Gastrointestinal Stromal Tumor
After endoscopic resection (ER) of gastric tumors, eradication of Helicobacter pylori (H. pylori) infection is advised to reduce metachronous recurrence. However, few studies have addresse...
The accurate prediction of depth of tumor invasion in early gastric cancer is essential for the proper selection of candidates for endoscopic resection. Conventional endoscopy and endoscop...
Accurate preoperative tumor staging of gastric cancer is indispensable with expansion of indications for laparoscopic surgery and endoscopic resection. It is important to distinguish mucosal cancer (T...
Recently, the safety and efficacy of underwater endoscopic mucosal resection (UEMR) for superficial nonampullary duodenal adenomas and colorectal polyps has been reported [1-3]. However, there have be...
The optimal management of patients with resection line involvement after endoscopic or surgical treatment for gastric cancer is debated. In contrast to previous reports, we examined both the experienc...
Previous studies of surgical specimens have found that the presence of mixed histological components in differentiated-type early gastric cancer (EGCs) is a risk factor for lymph node metastasis and i...
Excision of the whole (total gastrectomy) or part (subtotal gastrectomy, partial gastrectomy, gastric resection) of the stomach. (Dorland, 28th ed)
A method for removing lesions from gastrointestinal MUCOUS MEMBRANES. The mucosal tissue with the lesion is elevated by injecting a solution into the submucosal layer underneath it. The elevated tissue with the lesion is then cut out.
A mass spectrometry technique using two (MS/MS) or more mass analyzers. With two in tandem, the precursor ions are mass-selected by a first mass analyzer, and focused into a collision region where they are then fragmented into product ions which are then characterized by a second mass analyzer. A variety of techniques are used to separate the compounds, ionize them, and introduce them to the first mass analyzer. For example, for in GC-MS/MS, GAS CHROMATOGRAPHY-MASS SPECTROMETRY is involved in separating relatively small compounds by GAS CHROMATOGRAPHY prior to injecting them into an ionization chamber for the mass selection.
Fiberoptic endoscopy designed for duodenal observation and cannulation of VATER'S AMPULLA, in order to visualize the pancreatic and biliary duct system by retrograde injection of contrast media. Endoscopic (Vater) papillotomy (SPHINCTEROTOMY, ENDOSCOPIC) may be performed during this procedure.
An analytical method used in determining the identity of a chemical based on its mass using mass analyzers/mass spectrometers.