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A new breakthrough:ESD using a newly developed grasping type scissor forceps for early gastrointestinal tract neoplasms

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World Journal of Gastrointestinal Endoscopy 2010年第3期2卷 90-96页

作者： Kazuya Akahoshi hidefumi akahane Department of Gastroenterology Aso Iizuka Hospital Design Group Endoscopy Systems Div-isionMedical System Business DivisionFujifi lm Corpo ration

Endoscopic submucosal dissection(ESD) has allowed the achievement of histologically curative en bloc resection of gastrointestinal neoplasms regardless of size,permitting the resection of previously non-resectable *** ESD technique for treatment of early gastric cancer has spread rapidly in Japan and a few other Asian countries due to its excellent eradication rate compared to endoscopic mucosal *** numerous electrosurgical knives have been developed for ESD,technical difficulties and high complication rates(bleeding and perforation) have limited their use *** developed the grasping type scissor forceps(GSF) to resolve such ESD-related *** animal and preliminary clinical studies showed that ESD using GSF is a safe(no intraoperative complication) and technically efficient(curative en bloc resection rate 92%) method for dissection of early gastrointestinal *** use of GSF is a promising option for performing ESD on early stage GI tract tumors both safely and effectively.

关键词： Endoscopic sub mucosal dissection Novel device Grasping type scissor forceps Early gastro-intestinal tract neoplasms Endoscopic therapy

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Endoscopic submucosal dissection of a rectal carcinoid tumor using grasping type scissors forceps

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World Journal of Gastroenterology 2009年第17期15卷 2162-2165页

作者： Kazuya Akahoshi Yasuaki Motomura Masaru Kubokawa Noriaki Matsui Manami Oda Risa Okamoto Shingo Endo Naomi Higuchi Yumi Kashiwabara Masafumi Oya hidefumi akahane Haruo Akiba Department of Gastroenterology Aso Iizuka Hospital Iizuka 820-8505 Japan Department of Pathology Aso Iizuka Hospital Iizuka 820-8505 Japan Fujifilm Corporation Saitama 331-9624 Japan

Endoscopic submucosal dissection （ESD） with a knife is a technically demanding procedure a ssociated with ahigh complication rate. The shortcomings of this meth-od are the inability to fix the knife to the target lesion,and compression of the lesion. These can lead to major complications such as perforation and bleeding. To reduce the risk of complications related to ESD, we developed a new grasping type scissors forceps （GSF）,which can grasp and incise the targeted tissue using electrosurgical current. Colonoscopy on a 55-year-old woman revealed a 10-ram rectal submucosal *** histological diagnosis of the specimen obtained by biopsy was carcinoid tumor. Endoscopic ultrasonog-raphy demonstrated a hypoechoic solid tumor limitedto the submucosa without lymph node involvement. Itwas safely and accurately resected without unexpectedincision by ESD using a GSF. No delayed hemorrhage or perforation occurred. Histological examination confirmed the carcinoid tumor was completely excisedwith negative resection margin.

关键词： Endoscopic submucosal dissection New device Rectal carcinoid Grasping type scissors forceps Endoscopic therapy

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