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https://www.readbyqxmd.com/read/28068699/line-assisted-complete-closure-of-duodenal-mucosal-defects-after-underwater-endoscopic-mucosal-resection
#1
Yasushi Yamasaki, Yoji Takeuchi, Noriya Uedo, Noboru Hanaoka, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi
No abstract text is available yet for this article.
February 2017: Endoscopy
https://www.readbyqxmd.com/read/28042250/underwater-endoscopic-mucosal-resection-of-a-condyloma-acuminatum-of-the-anal-canal
#2
Kenta Hamada, Noriya Uedo, Yasuhiko Tomita, Ryu Ishihara
No abstract text is available yet for this article.
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28032233/development-of-an-e-learning-system-for-teaching-endoscopists-how-to-diagnose-early-gastric-cancer-basic-principles-for-improving-early-detection
#3
Kenshi Yao, Noriya Uedo, Manabu Muto, Hideki Ishikawa
We developed an internet e-learning system in order to improve the ability of endoscopists to diagnose gastric cancer at an early stage. The efficacy of this system at expanding knowledge and providing invaluable experience regarding the endoscopic detection of early gastric cancer was demonstrated through an international multicenter randomized controlled trial. However, the contents of the system have not yet been fully described in the literature. Accordingly, we herein introduce the contents and their principles, which comprise three main subjects: technique, knowledge, and experience...
December 28, 2016: Gastric Cancer
https://www.readbyqxmd.com/read/27977890/scissors-type-knife-significantly-improved-self-completion-rate-of-colorectal-endoscopic-submucosal-dissection-a-single-center-prospective-randomized-trial
#4
Takeshi Yamashina, Yoji Takeuchi, Kengo Nagai, Noriko Matsuura, Takashi Ito, Mototsugu Fujii, Noboru Hanaoka, Koji Higashino, Noriya Uedo, Ryu Ishihara, Hiroyasu Iishi
OBJECTIVES: Colorectal endoscopic submucosal dissection (C-ESD) is recognized as a difficult procedure. Recently, scissors-type knives were launched to reduce the difficulty of C-ESD. The aim of this study was to evaluate the efficacy and safety of the combined use of a scissors-type knife and a needle-type knife with a water-jet function (WJ needle-knife) for C-ESD compared with using the WJ needle-knife alone. METHODS: This was a prospective randomized controlled trial in a referral center...
December 15, 2016: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/27938786/surveillance-of-patients-with-gastric-precancerous-conditions
#5
REVIEW
Jorge Lage, Noriya Uedo, Mário Dinis-Ribeiro, Kenshi Yao
Intestinal-type gastric adenocarcinoma arises from a multistep process starting with Helicobacter pylori infection followed by gastric atrophy, gastric intestinal metaplasia and dysplasia. Indeed, patients with gastric precancerous conditions or lesions (GPC) are at increased risk to develop gastric cancer even in regions with low incidence. Thus, the identification and surveillance of a high risk subgroup could lead to the diagnosis of cancer at early stage and improve survival. However, both endoscopic and histological accuracy and interobserver agreement in the diagnosis of GPC are still far from optimal...
December 2016: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/27807641/long-term-outcomes-of-endoscopic-submucosal-dissection-for-early-gastric-cancer-a-multicenter-collaborative-study
#6
Satoshi Tanabe, Kenji Ishido, Takayuki Matsumoto, Takashi Kosaka, Ichiro Oda, Haruhisa Suzuki, Junko Fujisaki, Hiroyuki Ono, Noboru Kawata, Tsuneo Oyama, Akiko Takahashi, Hisashi Doyama, Masaaki Kobayashi, Noriya Uedo, Kenta Hamada, Takashi Toyonaga, Fumiaki Kawara, Shinji Tanaka, Yoshikazu Yoshifuku
OBJECTIVE: The indications for endoscopic submucosal dissection (ESD) in patients with early gastric cancer (EGC) have been expanded. However, the long-term outcomes of ESD remain unclear. We retrospectively investigated the long-term outcomes of ESD in patients with EGC. METHODS: We retrospectively studied patients with EGC who underwent ESD at 11 institutions between January 2003 and December 2010. A total of 6456 patients (7979 lesions) who met the absolute indications for ESD and 4202 patients (5781 lesions) who met the expanded indications for ESD were studied...
November 2, 2016: Gastric Cancer
https://www.readbyqxmd.com/read/27747281/first-reports-of-esophageal-adenocarcinoma-with-white-globe-appearance-in-japanese-and-caucasian-patients
#7
Yusuke Tonai, Ryu Ishihara, Yasushi Yamasaki, Takashi Kanesaka, Sachiko Yamamoto, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Noriya Uedo, Yasuhiko Tomita, Hiroyasu Iishi
Background and study aims: Better endoscopic diagnosis in case of Barrett's esophagus is still needed. White globe appearance (WGA) is a novel endoscopic marker for gastric adenocarcinoma, with high sensitivity for differentiating between gastric cancer/high-grade dysplasia and other lesions. We report 2 cases of esophageal adenocarcinoma with WGA. In Case 1, esophagogastroduodenoscopy (EGD) revealed a 10-mm esophageal adenocarcinoma in a 48-year-old Japanese woman with short-segment Barrett's esophagus. A small (< 1 mm) white globular lesion, typical of WGA, was observed under the epithelium by magnifying narrow-band imaging...
October 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27708526/endoscopic-submucosal-dissection-for-anal-intraepithelial-neoplasia
#8
Junichi Miyazaki, Noriya Uedo, Zhao Liang Li, Shohei Matsuo
No abstract text is available yet for this article.
October 2016: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/27696551/pethidine-hydrochloride-is-a-better-sedation-method-for-pharyngeal-observation-by-transoral-endoscopy-compared-with-no-sedation-and-midazolam
#9
Yasushi Yamasaki, Ryu Ishihara, Noboru Hanaoka, Noriko Matsuura, Takashi Kanesaka, Tomofumi Akasaka, Minoru Kato, Kenta Hamada, Yusuke Tonai, Sachiko Yamamoto, Yoji Takeuchi, Koji Higashino, Noriya Uedo, Yuri Ito, Masahiko Yano, Hiroyasu Iishi
BACKGROUND AND AIM: Standard surveillance methods for pharyngeal cancer have not been established. We conducted a randomized controlled trial to investigate the best sedation method for pharyngeal observation using transoral endoscopy. METHODS: In total, 120 patients who underwent surveillance or diagnostic examinations for esophageal cancer were enrolled and divided equally into three groups (no sedation, midazolam, or pethidine hydrochloride). In the midazolam group, midazolam was given i...
October 3, 2016: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/27668074/clinical-relevance-of-aberrant-polypoid-nodule-scar-after-endoscopic-submucosal-dissection
#10
Vitor Arantes, Noriya Uedo, Moises Salgado Pedrosa, Yasuhiko Tomita
AIM: To describe a series of patients with aberrant polypoid nodule scar developed after gastric endoscopic submucosal dissection (ESD), and to discuss its pathogenesis and clinical management. METHODS: We reviewed retrospectively the endoscopic database of two academic institutions located in Brazil and Japan and searched for all patients that underwent ESD to manage gastric neoplasms from 2003 to 2015. The criteria for admission in the study were: (1) successful en bloc ESD procedure with R0 and curative resection confirmed histologically; (2) postoperative endoscopic examination with identification of a polypoid nodule scar (PNS) at ESD scar; (3) biopsies of the PNS with hyperplastic or regenerative tissue, reviewed by two independent experienced gastrointestinal pathologists, one from each Institution...
September 16, 2016: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27626215/-take-your-polyp-for-a-walk-endoscopic-retrieval-of-multiple-colon-polyps-using-a-clip-and-line
#11
Tomofumi Akasaka, Yoji Takeuchi, Yasushi Yamasaki, Noboru Hanaoka, Noriya Uedo, Ryu Ishihara, Hiroyashu Iishi
No abstract text is available yet for this article.
2016: Endoscopy
https://www.readbyqxmd.com/read/27573777/endoluminal-diagnosis-of-early-gastric-cancer-and-its-precursors-bridging-the-gap-between-endoscopy-and-pathology
#12
Noriya Uedo, Kenshi Yao
Although dye-based and image-enhanced endoscopic techniques have revolutionized endoscopic diagnosis, conventional white light endoscopy still plays an important role in the diagnosis of early gastric cancer (EGC) during routine endoscopy. Chromoendoscopy reveals morphological characteristics of the mucosal lesions by enhancing mucosal contrast, while narrow-band imaging (NBI) facilitates detailed evaluation of the vascular architecture and surface features. Positive diagnostic findings of EGC on white light imaging and indigo carmine chromoendoscopy are a sharply demarcated lesion and irregularity in surface morphology or color...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27556090/endoscopic-surveillance-of-head-and-neck-cancer-in-patients-with-esophageal-squamous-cell-carcinoma
#13
Minoru Kato, Ryu Ishihara, Kenta Hamada, Yusuke Tonai, Yasushi Yamasaki, Noriko Matsuura, Takashi Kanesaka, Sachiko Yamamoto, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Noriya Uedo, Hiroyasu Iishi
BACKGROUND AND STUDY AIMS: Multiple squamous cell carcinomas (SCCs) frequently arise in the upper aerodigestive tract, referred to as the field cancerization phenomenon. The aim of this study was to elucidate the detailed clinical features of second primary head and neck (H&N) SCCs arising in patients with esophageal SCC. PATIENTS AND METHODS: A total of 818 patients underwent endoscopic resection for superficial esophageal cancer between January 2006 and December 2013...
July 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27556074/a-comparative-study-of-grasping-type-scissors-forceps-and-insulated-tip-knife-for-endoscopic-submucosal-dissection-of-early-gastric-cancer-a-randomized-controlled-trial
#14
Kengo Nagai, Noriya Uedo, Takeshi Yamashina, Fumi Matsui, Noriko Matsuura, Takashi Ito, Sachiko Yamamoto, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi
BACKGROUND AND STUDY AIMS: Endoscopic submucosal dissection (ESD) for early gastric cancer (EGC) is technically difficult for beginners. Few comparative studies of technical feasibility, efficacy, and safety using various devices have been reported. This study evaluated the feasibility, efficacy, and safety of ESD for EGC < 2 cm using grasping-type scissors forceps (GSF) or insulated-tip knife (IT2) for three resident endoscopists. PATIENTS AND METHODS: This was a randomized phase II study in a cancer referral center...
June 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27449194/-underwater-endoscopic-submucosal-dissection-for-superficial-esophageal-neoplasms
#15
Tomofumi Akasaka, Yoji Takeuchi, Noriya Uedo, Ryu Ishihara, Hiroyasu Iishi
No abstract text is available yet for this article.
January 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27366048/prospective-small-bowel-mucosal-assessment-immediately-after-chemoradiotherapy-of-unresectable-locally-advanced-pancreatic-cancer-using-capsule-endoscopy-a-case-series
#16
Takeshi Yamashina, Ryoji Takada, Noriya Uedo, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Tatsuya Ioka, Ryu Ishihara, Teruki Teshima, Kinji Nishiyama, Hiroyasu Iishi
In this case series, three consecutive patients with unresectable locally advanced pancreatic cancer (ULAPC) underwent capsule endoscopy (CE) before and after chemoradiotherapy (CRT) to evaluate duodenal and jejunal mucosa, and to examine the relationship between CE findings and dose distribution. CE after CRT showed duodenitis and proximal jejunitis in all three patients. The most inflamed region was the third part of the duodenum, and in dose distribution, this was the closest region to the center of irradiation...
July 2016: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/27366042/a-bleeding-gastric-ulcer-caused-by-anisakiasis
#17
Kenta Hamada, Noriya Uedo, Yasuhiko Tomita, Hiroyasu Iishi
No abstract text is available yet for this article.
July 2016: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/27156657/traction-assisted-endoscopic-submucosal-dissection-of-a-rectal-adenoma-located-on-the-anastomotic-suture-line
#18
Takashi Kanesaka, Noriya Uedo, Koji Higashino, Yoji Takeuchi, Ryu Ishihara
No abstract text is available yet for this article.
May 5, 2016: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27076770/autofluorescence-imaging-endoscopy-can-distinguish-non-erosive-reflux-disease-from-functional-heartburn-a-pilot-study
#19
Xi Luo, Xiao-Xu Guo, Wei-Feng Wang, Li-Hua Peng, Yun-Sheng Yang, Noriya Uedo
AIM: To investigate whether autofluorescence imaging (AFI) endoscopy can distinguish non-erosive reflux disease (NERD) from functional heartburn (FH). METHODS: In this prospective observational trial, 127 patients presenting with typical reflux symptoms for > 6 mo were screened. All the participants underwent endoscopy, during which white light imaging (WLI) was followed by AFI. Finally 84 patients with normal esophageal appearance on WLI were enrolled. It was defined as being suggestive of NERD if one or more longitudinal purple lines longer than one centimeter were visualized in the distal part of the esophagus during AFI endoscopy...
April 14, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27060249/gastrointestinal-endoscopic-mucosal-resection-for-diagnosis-of-infiltrating-gastric-cancer-a-case-report
#20
K Hamada, N Uedo, N Hanaoka, R Ishihara, Y Oh
No abstract text is available yet for this article.
October 2016: Journal of Gastroenterology and Hepatology
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