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Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society

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https://www.readbyqxmd.com/read/29786893/primary-cystic-duct-carcinoma-diagnosed-by-targeted-biopsy-with-digital-cholangioscopy
#1
Masaki Miyazawa, Shogo Matsuda, Uichiro Fuchizaki
A 79-year-old man was introduced to our hospital for obstructive jaundice. Computed tomography (CT) showed the stricture of the common bile duct (CBD) and the cystic duct (CD) (Fig. 1). Suspicious diagnosis was cholangiocarcinoma. Endoscopic retrograde cholangiography (ERC) showed the stricture of the CBD and the CD dilatation. This article is protected by copyright. All rights reserved.
May 22, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29781546/successful-endoscopic-recanalization-by-combined-antegrade-retrograde-dilation-for-acquired-complete-esophageal-obstruction-in-a-child
#2
Akihiko Kida, Koichiro Matsuda, Akito Sakai
A 29-day-old girl who was born by Cesarean section in Week-27 of pregnancy due to pregnancy-induced-hypertension, with a height and body weight of 30-cm and 556-g was referred to our hospital with frequent vomiting. As esophagogastroduodenoscopy revealed upper esophageal stenosis, gastrostomy was performed. Five months after birth, esophagogastroduodenoscopy showed membranous obstruction of upper esophagus (Figure.1A). This article is protected by copyright. All rights reserved.
May 21, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29781545/preventive-measures-against-stricture-after-esophageal-esd-halfway-through-the-journey-to-the-best-method
#3
EDITORIAL
Yosuke Tsuji, Yoshiki Sakaguchi, Mitsuhiro Fujishiro, Kazuhiko Koike
Endoscopic submucosal dissection (ESD) for esophageal neoplasms with negligible risk of nodal metastasis has become standard treatment. A large tumor or a lesion with submucosal fibrosis can be resected with ESD in an en block manner. Moreover, ESD allows accurate histopathological diagnosis and reduces the risk of local recurrence. This article is protected by copyright. All rights reserved.
May 21, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29779232/crossed-clip-strangulation-for-the-management-of-small-intestinal-polyps-in-patients-with-peutz-jeghers-syndrome
#4
Tomonori Yano, Satoshi Shinozaki, Hironori Yamamoto
Peutz-Jeghers syndrome is an autosomal dominant disorder with multiple hamartomatous polyps throughout the gastrointestinal tract. The clinical history of patients with Peutz-Jeghers syndrome usually includes multiple laparotomies to treat intestinal obstruction caused by polyps. The development of double-balloon enteroscopy enables endoscopic resection of polyps, even in the distal small intestine. This article is protected by copyright. All rights reserved.
May 19, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29779221/nasojejunal-stent-technique-njst-a-new-system-to-prevent-fully-covered-metal-stent-migration-in-the-treatment-of-benign-esophageal-diseases
#5
Oscar Víctor Hernández Mondragón, Raquel Palos Cuellar, Enrique Murcio Pérez
Fully covered self-expandable metal stents (FCSEMS) have been used for the treatment of benign esophageal conditions such as perforation, leaks, and strictures [1]; high clinical success is reported [2]. Different anchoring methods have been described (clips, suturing devices, over-the-scope clips and Shim technique [2]), because of high migration rates (4-36%) [3,4]. However, not all cases are candidates, mostly in "difficult" cases where enteral feeding is needed [5]. We report the use of the nasojejunal-stent technique (NJST) to prevent migration of FCSEMS in three difficult cases...
May 19, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29766575/development-of-a-novel-humanoid-robot-simulator-for-endoscope-with-pharyngeal-reflex-and-real-life-responses
#6
Masaru Ueki, Kazutake Uehara, Hajime Isomoto
In recent years, there has been a growing need for skills quantification of endoscopic specialist. Various educational simulators have been created to help increase the endoscopy performance of medical students and trainees. Recent research seems to show that the use of simulators helps increase the skill level of endoscopists, while improving patient safety 1, 2 . However, previous simulators lack sufficient realism and are unable to replicate natural human reactions during endoscopy or quantify endoscopic skills...
May 15, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29763988/adjusting-the-length-and-direction-of-the-redundant-duodenal-stent-using-a-detachable-snare-and-endoclips
#7
Takashi Sasaki, Toshiyuki Yoshio, Junko Fujisaki
A 43-year-old woman with advanced gastric cancer was presented with gastric outlet obstruction. Duodenal stent (WallFlex duodenal soft 22mm x 12cm, Boston Scientific, Japan) was deployed to cover the stricture between antrum and 2nd part of duodenum. The stent did not expand fully because of the tight stricture even after balloon dilation. The stent became longer than expected which caused the kinking at the stomach (Figure 1). This article is protected by copyright. All rights reserved.
May 15, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29744942/video-controlled-management-of-intrahepatic-stones-using-a-double-channel-scope-in-a-patient-with-surgically-altered-anatomy
#8
Shinya Kawaguchi, Tatsunori Satoh, Shinya Endo
We report a successful case of video-controlled management of intrahepatic stones using a double-channel scope in a patient with surgically altered anatomy.A 68-year-old man with a history of intraductal papillary mucinous neoplasia who had undergone pancreatoduodenectomy with reconstruction-II 10 years previously was admitted to our hospital for acute refractory cholangitis due to recurrent intrahepatic stones and stenosis in the choledochojejunal anastomosis.We performed endoscopic balloon dilatation of the anastomotic stricture (Fig...
May 9, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29733468/guidelines-for-gastroenterological-endoscopy-in-patients-undergoing-antithrombotic-treatment-2017-appendix-on-anticoagulants-including-direct-oral-anticoagulants-doacs
#9
REVIEW
Mototsugu Kato, Noriya Uedo, Seiji Hokimoto, Masahiro Ieko, Kazuhide Higuchi, Kazunari Murakami, Kazuma Fujimoto
In 2012, the Japan Gastroenterological Endoscopy Society has published "Guidelines for Gastroenterological Endoscopy in Patients Undergoing Antithrombotic Treatment" concerning thromboembolism associated with antithrombotic therapy withdrawal. Since then, physicians have started prescribing oral anticoagulants, creating a need for standards reflecting their use in clinical practice. Therefore, new findings regarding anticoagulants are included in this appendix. However, the evidence levels are low for many statements contained herein and these appended guidelines still need to be verified in clinical settings...
May 7, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29729058/a-case-of-pyloric-gland-adenoma-accompanied-by-a-component-of-foveolar-epithelial-type-adenoma-within-the-lesion
#10
Keiichiro Nakajo, Yasuhiro Oono, Takeshi Kuwata
An 80-year-old woman found to have a gastric tumor by endoscopy was referred to our hospital for further examination and treatment. Helicobacter pylori eradication therapy was successfully performed 10 years ago. Conventional endoscopy revealed a 20-mm flat elevated lesion in the greater curvature of the middle gastric body. (Fig. 1a). Magnifying endoscopy with narrow band imaging (M-NBI) revealed an irregular microvascular architecture, including closed-loop vessels with repeated irregular anastomoses (Fig...
May 5, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29729056/a-case-of-small-intestinal-bacterial-overgrowth-performed-capsule-and-double-balloon-endoscopy
#11
Ichiro Otani, Shiro Oka, Shinji Tanaka
A 67-year old woman who had received treatment with prednisolone for systemic scleroderma visited our hospital. She complained of mild abdominal pain, bloating, anorexia, watery stools (approximately three times a day). Abdominal computed tomography showed high contrast appearance and thickening of the entire small intestinal wall as well as accumulation of intestinal fluid with no mechanical obstruction (Figure 1). Capsule endoscopy (Figure 2a) and antegrade double-balloon endoscopy (Figure 2b) revealed retention of cloudy intestinal fluid throughout the entire small intestine with reddish and edematous mucosa...
May 5, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29729042/transgastric-reintervention-for-self-expandable-metallic-stent-dysfunction-following-eus-guided-hepaticogastrostomy
#12
Tesshin Ban, Hiroshi Kawakami, Yoshimasa Kubota
EUS-guided hepaticogastrostomy (EUS-HGS) using a self-expandable metallic stent (SEMS) is recognized as an alternative to transpapillary access for performing biliary drainage.1,2 However, reintervention to mitigate stent dysfunction remains challenging.3-5 Here, we present a case of successful transgastric exchange of occluded SEMS. A 53-year-old woman with pancreatic cancer was admitted with acute cholangitis. Five months before, she underwent EUS-HGS using partially covered SEMS (6 mm×12 cm Niti-STM S Biliary Stent; Taewoong Medical Co...
May 5, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29729036/epstein-barr-virus-positivity-among-surgically-resected-intramucosal-gastric-cance
#13
Katsuyuki Murai, Naomi Kakushima, Takashi Sugino, Masao Yoshida, Noboru Kawata, Masaki Tanaka, Kohei Takizawa, Koji Muramatu, Kimihide Kusafuka, Etsuro Bando, Hiroyuki Ono
Epstein-Barr virus-associated gastric cancer (EBV-GC) accounts for approximately 8% of gastric cancers. However, little is known regarding intramucosal EBV-GC. The present study aimed to evaluate endoscopic and clinicopathological characteristics of intramucosal EBV-GC. Pathological data of 172 patients with 173 intramucosal gastric cancers who received gastrectomy with lymph node dissection were obtained for review. EBV-encoded small RNA in situ hybridization (EBER-ISH) was performed using tissue microarray block...
May 5, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29676030/eus-guided-hepaticogastrostomy
#14
Masahiro Itonaga, Keiichi Hatamaru, Masayuki Kitano
Recently, EUS-guided biliary drainage (EUS-BD), including rendezvous technique (EUS-RV), choledochoduodenostomy (EUS-CDS), hepaticogastrostomy (EUS-HGS) and antegrade stenting (EUS-AG), is the modality of choice when ERCP fails (1,2). EUS-RV is limited in patients with an accessible ampulla. EUS-CDS is limited in patients with distal bile duct obstruction and normal gastrointestinal anatomy. This article is protected by copyright. All rights reserved.
April 20, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29675964/antegrade-tissue-scraping-through-eus-guided-hepaticogastrostomy-with-video
#15
Takeshi Ogura, Atsushi Okuda, Kazuhide Higuchi
A novel endoscopic device (Fig 1a, Trefle, Piolax Medical Devices, Yokohama, Japan) for collecting sufficient amounts of biliary tract tissue samples under ERCP guidance for pathological diagnosis is now available in Japan [1]. Because of easy accessibility into the biliary tract through the bile duct stricture, this device might be clinically useful via a transluminal approach. Here, we described technical tips for collecting bile-duct tissue samples under EUS-guided antegrade access. A 78-year-old man who had undergone distal gastrectomy with Roux-en-Y gastrojejunostomy to treat a gastric ulcer was referred to our hospital with obstructive jaundice...
April 19, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29675938/value-of-additional-endoscopic-ultrasonography-for-surveillance-after-surgical-removal-of-intraductal-papillary-mucinous-neoplasms
#16
Ken Kamata, Mamoru Takenaka, Kosuke Minaga, Shunsuke Omoto, Takeshi Miyata, Kentaro Yamao, Hajime Imai, Atsushi Nakai, Hidekazu Tanaka, Yasutaka Chiba, Tomohiro Watanabe, Toshiharu Sakurai, Naoshi Nishida, Takaaki Chikugo, Ippei Matsumoto, Yoshifumi Takeyama, Masayuki Kitano, Masatoshi Kudo
BACKGROUND AND AIMS: This study evaluated the utility of endoscopic ultrasonography (EUS), combined with contrast-enhanced harmonic EUS (CH-EUS), for surveillance of the remnant pancreas after surgery for intraductal papillary mucinous neoplasm (IPMN). METHODS: This was a single-center, retrospective, descriptive study. A total of 134 consecutive patients who underwent surgical resection for IPMN between April 2009 and March 2015 were evaluated. The rates of recurrence and development of IPMN-concomitant pancreatic ductal adenocarcinoma (PDAC) during follow-up were assessed...
April 19, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29675874/prepyloric-submucosal-tunneling-endoscopic-resection-p-ster-for-a-case-of-inflammatory-mass-with-video
#17
Ningli Chai, Wengang Zhang, En-Qiang Linghu
A 28-year-old woman was found a submucosal mass in the greater curvature of prepyloric area under EUS (Figure 1). Submucosal tunneling endoscopic resection (STER)1, 2 was performed, and the procedure began with the creation of an inverse T entry (transverse entry incision, 1.0 cm; longitudinal entry incision, 0.5 cm)3 ; Subsequently, a submucosal tunnel of 4 cm was established, and ended about 0.5 cm distal to the mass; Afterward, the mass was extracted by a snare following on the endoscopic resection. Finally, the reversed T entry was closed by eight clips (Video 1)...
April 19, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29675857/efficacy-and-safety-of-cold-versus-hot-snare-polypectomy-for-resecting-small-colorectal-polyps-systematic-review-and-meta-analysis
#18
REVIEW
Satoshi Shinozaki, Yasutoshi Kobayashi, Yoshikazu Hayashi, Hirotsugu Sakamoto, Alan Kawarai Lefor, Hironori Yamamoto
BACKGROUND AND AIM: The safety and effectiveness of cold snare polypectomy (CSP) compared with hot snare polypectomy (HSP) has been reported. The aim of this study is to perform a meta-analysis of the efficacy and safety of HSP and CSP. METHODS: Randomized-controlled trials were reviewed to compare HSP with CSP for resecting small colorectal polyps. The outcomes reviewed include complete resection rate, polyp retrieval, delayed bleeding, perforation and procedure time...
April 19, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29656581/the-jnet-classification-nbi-magnifying-endoscopic-classification-of-colorectal-tumors
#19
Yasushi Sano, Daizen Hirata, Yutaka Saito
The NICE classification is widely used around the world as a universal NBI endoscopic classification that is available without magnifying endoscopy. On the other hand, as histopathological criteria of curative endoscopic resection for early colorectal cancers is getting clear in Japan, endoscopists are required to diagnose their invasion depth accurately with magnifying endoscopy and obtain deeper histopathological materials by endoscopic mucosal resection (EMR)/endoscopic submucosal dissection (ESD). Therefore, we need a new classification which provides accurate qualitative and quantitative diagnosis linking to the appropriate treatment strategy including polypectomy, EMR/ESD, and surgery...
April 14, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29637617/transoral-endoscopic-examination-of-head-and-neck-region
#20
Kenta Hamada, Ryu Ishihara, Yasushi Yamasaki, Tomofumi Akasaka, Masamichi Arao, Taro Iwatsubo, Satoki Shichijo, Noriko Matsuura, Hiroko Nakahira, Takashi Kanesaka, Sachiko Yamamoto, Yoji Takeuchi, Koji Higashino, Noriya Uedo, Yoshiro Kawahara, Hiroyuki Okada
Transoral endoscopy with narrow band imaging (NBI) is useful for early detection of head and neck (HN) cancer. However, the lateral and anterior walls of the oropharynx, postcricoid area, and posterior wall of the hypopharynx are difficult to observe using transoral endoscopy. Advanced cancers in these regions may be missed even when NBI is used. This report highlights a method of transoral endoscopic examination of HN region. For observation of the oral cavity and oropharynx, it is important to observe these regions without using a mouthpiece...
April 10, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
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