Noriya Uedo
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View article: Geriatric 8 Score Predicts Functional Decline After Endoscopic Resection for Upper Gastrointestinal Neoplasms in Older Adults: A Prospective Cohort Study
Geriatric 8 Score Predicts Functional Decline After Endoscopic Resection for Upper Gastrointestinal Neoplasms in Older Adults: A Prospective Cohort Study Open
Objectives Endoscopic resection (ER) is used in older patients to treat upper gastrointestinal (UGI) neoplasms due to minimal invasiveness and excellent short‐term therapeutic outcomes. However, its impact on functional outcomes remains un…
View article: Endoscopic Full‐thickness Resection for Gastric Submucosal Tumor: A Technical Analysis Study (With Video)
Endoscopic Full‐thickness Resection for Gastric Submucosal Tumor: A Technical Analysis Study (With Video) Open
Background Endoscopic full‐thickness resection (EFTR) is an effective treatment method for gastric submucosal tumors (SMTs). We aimed to perform a technical analysis of EFTR in gastric SMT and compare it with the outcome parameters. Method…
View article: Image-enhanced endoscopy in upper GI tract: State-of-the-art review
Image-enhanced endoscopy in upper GI tract: State-of-the-art review Open
Early and accurate identification of upper gastrointestinal (GI) malignancies remains a cornerstone for improving clinical outcomes. Conventional white light endoscopy, although the standard diagnostic modality, often fails to detect subtl…
View article: Differences in Endoscopic Features of Gastric Neuroendocrine Tumor and Neuroendocrine Carcinoma From a Clinicopathological Perspective
Differences in Endoscopic Features of Gastric Neuroendocrine Tumor and Neuroendocrine Carcinoma From a Clinicopathological Perspective Open
Gastric neuroendocrine neoplasms are a rare type of stomach cancer, classified into well‐differentiated neuroendocrine tumors (NETs) and poorly differentiated neuroendocrine carcinomas (NECs). Gastric NETs (G‐NETs) originate from endocrine…
View article: Toward Standardization of Gastrointestinal Endoscopy Training—Yasuhisa Abe (Abe‐San): A Pioneer in Endoscopy Simulation
Toward Standardization of Gastrointestinal Endoscopy Training—Yasuhisa Abe (Abe‐San): A Pioneer in Endoscopy Simulation Open
View article: Endoscopic features of gastric neuroendocrine tumors
Endoscopic features of gastric neuroendocrine tumors Open
Objectives The endoscopic features of gastric neuroendocrine tumors (G‐NETs) remain unclarified. The present study investigated the endoscopic features of G‐NETs in relation to the clinicopathological findings. Methods This retrospective s…
View article: Reopenable clip over‐the‐line method in endoscopic full‐thickness resection of gastric submucosal tumors: A historical control study
Reopenable clip over‐the‐line method in endoscopic full‐thickness resection of gastric submucosal tumors: A historical control study Open
Objectives Endoscopic full‐thickness resection for gastric submucosal tumors is gradually gaining popularity, and secure and amenable closure is key to its success. This study aimed to compare the reopenable clip over‐the‐line method with …
View article: Adenocarcinoma with Enteroblastic Differentiation and Neuroendocrine Features in Autoimmune Gastritis: Novel Insights into Tumor Development from Endocrine Cell Micronests
Adenocarcinoma with Enteroblastic Differentiation and Neuroendocrine Features in Autoimmune Gastritis: Novel Insights into Tumor Development from Endocrine Cell Micronests Open
View article: Improved outcomes of endoscopic treatment for delayed perforation following endoscopic submucosal dissection for gastric epithelial neoplasms
Improved outcomes of endoscopic treatment for delayed perforation following endoscopic submucosal dissection for gastric epithelial neoplasms Open
Emergency surgery is usually required for patients with delayed perforation after gastric endoscopic submucosal dissection (ESD); however, cases of successful endoscopic treatment recently have been reported. Here, we elucidated the useful…
View article: Characteristics and risk factors for postoperative bleeding following endoscopic resection of esophageal squamous neoplasms
Characteristics and risk factors for postoperative bleeding following endoscopic resection of esophageal squamous neoplasms Open
Background Reports on postoperative bleeding after esophageal endoscopic resection are limited. Aims This study aimed to identify the clinical characteristics and risk factors for postoperative bleeding following endoscopic resection of es…
View article: Endoscopic evaluation of the oral cavity and pharynx: how to do it
Endoscopic evaluation of the oral cavity and pharynx: how to do it Open
View article: Gastric endoscopic submucosal dissection through a gastrostomy using a newly developed thin endoscope
Gastric endoscopic submucosal dissection through a gastrostomy using a newly developed thin endoscope Open
A 76-year-old man underwent follow-up endoscopy after undergoing curative endoscopic submucosal dissection (ESD) for esophageal cancer [1]. He had a past history of advanced pharyngeal cancer, which had been treated with chemoradiotherapy,…
View article: Comparison of Effective Imaging Modalities for Detecting Gastric Neoplasms: A Randomized 3-Arm Phase II Trial
Comparison of Effective Imaging Modalities for Detecting Gastric Neoplasms: A Randomized 3-Arm Phase II Trial Open
INTRODUCTION: The early detection of gastric neoplasms (GNs) leads to favorable treatment outcomes. The latest endoscopic system, EVIS X1, includes third-generation narrow-band imaging (3G-NBI), texture and color enhancement imaging (TXI),…
View article: Post-endoscopy esophageal squamous cell carcinoma with invasion of the muscularis mucosa or deeper detected in surveillance endoscopy after esophageal endoscopic resection
Post-endoscopy esophageal squamous cell carcinoma with invasion of the muscularis mucosa or deeper detected in surveillance endoscopy after esophageal endoscopic resection Open
Background:Surveillance endoscopy is recommended after endoscopic resection of esophageal squamous cell carcinomas (ESCCs). However, surveillance endoscopy sometimes detects advanced metachronous ESCCs with invasion of the muscularis mucos…
View article: No-touch endoscopic full-thickness resection using reopenable-clip over-the-line method for gastric gastrointestinal stromal tumor
No-touch endoscopic full-thickness resection using reopenable-clip over-the-line method for gastric gastrointestinal stromal tumor Open
With advancement of endoscopic resection and wound closure techniques, endoscopic resection of gastric gastrointestinal stromal tumors (GISTs) has evolved rapidly in recent years. However, concerns remain regarding the oncologic safety of …
View article: Retroflexed endoscopic submucosal dissection of a lesion invading the pyloric ring, using a newly developed thin endoscope
Retroflexed endoscopic submucosal dissection of a lesion invading the pyloric ring, using a newly developed thin endoscope Open
Endoscopic resection of a pyloric lesion is challenging because of the limited maneuverability of endoscopes. Here, we report a case of a depressed pyloric lesion treated with endoscopic resection using a newly developed thin endoscope.
View article: Gastrointestinal: Texture and color enhancement imaging is useful for detection of small gastric adenocarcinoma of fundic‐gland type
Gastrointestinal: Texture and color enhancement imaging is useful for detection of small gastric adenocarcinoma of fundic‐gland type Open
A man in his 60s has received endoscopic resection for 10 multiple superficial gastric adenocarcinomas of fundic-gland type (GA-FGs) in the last 2 years. He refused total gastrectomy and preferred endoscopic treatment every time. The last …
View article: Exposed endoscopic full-thickness resection with reopenable clip-over-the-line method for a duodenal neuroendocrine tumor
Exposed endoscopic full-thickness resection with reopenable clip-over-the-line method for a duodenal neuroendocrine tumor Open
The nonexposed endoscopic full-thickness resection (EFTR) device is available for endoscopic removal of duodenal subepithelial tumors, but the large application cap may make it difficult to resect lesions located in complex areas of the du…
View article: Use of N-acetylcysteine plus simethicone to improve mucosal visibility in upper digestive endoscopy via systematic alphanumeric-coded endoscopy: a randomized, double-blind controlled trial
Use of N-acetylcysteine plus simethicone to improve mucosal visibility in upper digestive endoscopy via systematic alphanumeric-coded endoscopy: a randomized, double-blind controlled trial Open
The combination of N-acetylcysteine plus simethicone optimizes the visibility of the mucosa of the upper GI tract, which could potentially increase diagnostic yield.
View article: Endoscopic diagnosis and prevalence of early gastric cancer in India: A prospective study
Endoscopic diagnosis and prevalence of early gastric cancer in India: A prospective study Open
Objectives Although countries like Japan and South Korea have implemented nationwide endoscopic screening programs, there is limited evidence on the effectiveness of endoscopy for diagnosing early gastric cancer (EGC) in developing countri…
View article: Precision endoscopy in the era of climate change and sustainability
Precision endoscopy in the era of climate change and sustainability Open
Global warming caused by increased greenhouse gas (GHG) emissions has a direct impact on human health. Gastrointestinal (GI) endoscopy contributes significantly to GHG emissions due to energy consumption, reprocessing of endoscopes and acc…
View article: Reopenable-clip over-the-line method for closure of large perforation during esophageal endoscopic submucosal dissection
Reopenable-clip over-the-line method for closure of large perforation during esophageal endoscopic submucosal dissection Open
Perforation during esophageal endoscopic submucosal dissection (ESD) can lead to severe complications; localized muscle defects can result in large perforations during ESD that require surgery [1]. While the effectiveness of endoclips or o…
View article: Resection of large terminal ileum polyp: usefulness of underwater EMR
Resection of large terminal ileum polyp: usefulness of underwater EMR Open
View article: Adaptation of endoscopic submucosal dissection techniques for endoscopic full-thickness resection: a review of key steps and technical aspects
Adaptation of endoscopic submucosal dissection techniques for endoscopic full-thickness resection: a review of key steps and technical aspects Open
View article: Full-thickness defect closure using the reopenable clip over-the-line method with omental patch
Full-thickness defect closure using the reopenable clip over-the-line method with omental patch Open
Various endoscopic defect closure methods following endoscopic full-thickness resection (EFTR) of submucosal tumors have been developed [1] [2]; however, there is no established endoscopic defect closure method that can close a full-thickn…
View article: Multiple foci of dilated vessels as a new predictor of metachronous esophageal cancer
Multiple foci of dilated vessels as a new predictor of metachronous esophageal cancer Open
Objectives Prediction of the risk of esophageal squamous cell carcinoma (SCC) by endoscopic findings without iodine staining, which is irritating to the esophagus, would be beneficial. In a previous retrospective study, we found that multi…
View article: E-learning system to improve the endoscopic diagnosis of early gastric cancer
E-learning system to improve the endoscopic diagnosis of early gastric cancer Open
We developed three e-learning systems for endoscopists to acquire the necessary skills to improve the diagnosis of early gastric cancer (EGC) and demonstrated their usefulness using randomized controlled trials. The subjects of the three e…
View article: Endoscopic features of gastric neuroendocrine carcinoma
Endoscopic features of gastric neuroendocrine carcinoma Open
Background and Aim The endoscopic features of gastric neuroendocrine carcinoma (G‐NEC) have not been clarified; therefore, they were investigated in relation to clinicopathological findings. Methods Consecutive patients with G‐NECs who had…
View article: Endoscopic landmarks corresponding to anatomical landmarks for esophageal subsite classification
Endoscopic landmarks corresponding to anatomical landmarks for esophageal subsite classification Open
Objectives Individual treatment strategies for esophageal cancer have been investigated based on the anatomical subsite classification. Accurate subsite classification based on these anatomical landmarks is thus important. We investigated …
View article: Use of a novel re-openable endoclip for the closure of a large mucosal defect after endoscopic submucosal dissection
Use of a novel re-openable endoclip for the closure of a large mucosal defect after endoscopic submucosal dissection Open
A 71-year-old woman with a 100-mm granular type laterally spreading tumor of the sigmoid colon was referred to our hospital ([Fig. 1]). Endoscopic submucosal dissection (ESD) with en bloc resection of the tumor was performed in 89 min. The…