• Issue

    DEN Open: Volume 6, Issue 1

    April 2026
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ISSUE INFORMATION

Open Access

Issue Information

  • First Published: 28 April 2025

CASE REPORT

Open Access

Successful Endoscopic Submucosal Dissection for Giant Inflammatory Fibroid Polyp in Terminal Ileum

Sayuri Watanabe,  Yuki Nakajima,  Masato Aizawa,  Jun Wada,  Kakeru Otomo,  Goro Shibukawa,  Tadayuki Takagi,  Kenichi Utano,  Osamu Suzuki,  Kazutomo Togashi, 
  • First Published: 24 July 2025
Open Access

Rupture of Life-Threatening Hepatic Artery Pseudoaneurysm After Endoscopic Ultrasonography-guided Hepaticogastrostomy: Successful Management With Emergency Transcatheter Arterial Embolization

Hiroshi Yukimoto,  Akino Okamoto,  Kohsaku Ohnishi,  Keitaro Masuko,  Junping Wang,  Kazuya Ogawa,  Ken Ueda,  Motohiro Hirao,  Yasuhiro Nakaya,  Atsushi Hosui, 
  • First Published: 24 July 2025

ORIGINAL ARTICLE

Open Access

The Risk of Colonoscopy-related Bleeding in Patients With or Without Continued Treatment With an Antithrombotic Agent

Emi Nonaka,  Ichitaro Horiuchi,  Akira Horiuchi,  Satoshi Ukai,  Noriko Takahata,  Kimihiko Oishi, 
  • First Published: 17 July 2025
Open Access

Complications of Endoscopic Pressure Study Integrated System: Review of 1205 Cases in 10 Years’ Experience

Miyuki Iwasaki,  Ippei Tanaka,  Haruhiro Inoue,  Masachika Saino,  Kei Ushikubo,  Kazuki Yamamoto,  Yohei Nishikawa,  Kaori Owada,  Satoshi Abiko,  Mayo Tanabe, 
  • First Published: 16 July 2025
Open Access

Improving Operator Depth Vision in Gastrointestinal Endoscopy: A Pilot Study of a New Three-dimensional Imaging System

Xiaoqing Lin,  Kohei Ono,  Ken Ohata,  Etsuko Yamabe,  Hidenori Eida,  Miyuzen Kanamori,  Naoki Tomita,  Toshifumi Iida,  Susumu Banjoya,  Tomoya Kimura,  Hiroshi Yamazaki,  Koichi Furuta,  Nao Takeuchi,  Yoshiaki Kimoto,  Yuki Kano,  Yohei Minato,  Shunya Takayanagi,  Shinya Nagae,  Yohei Ito,  Ryoju Negishi,  Eiji Sakai,  Hideyuki Chiba,  Zhen Ding, 
  • First Published: 16 July 2025
Open Access

Clinical Characteristics and Outcomes of Incomplete Cardia Reconstruction Cases Following Multiple Anti-reflux Mucosectomy/Anti-reflux Mucosal Ablation Treatments

Ippei Tanaka,  Haruhiro Inoue,  Mayo Tanabe,  Yoshiaki Kimoto,  Kei Ushikubo,  Kazuki Yamamoto,  Yohei Nishikawa,  Nikko Theodore Valencia Raymundo,  Kazuya Sumi, 
  • First Published: 01 July 2025
Open Access

Efficacy and Safety of a 6-Month Placement of a Fully Covered Self-Expanding Metal Stent for Refractory or Recurrent Hepaticojejunostomy Anastomotic Stricture via Balloon Enteroscopy-Assisted Endoscopic Retrograde Cholangiopancreatography

Taro Hanaoka,  Kosuke Okuwaki,  Masafumi Watanabe,  Tomohisa Iwai,  Kai Adachi,  Akihiro Tamaki,  Junro Ishizaki,  Yusaku Manabe,  Masayoshi Tadehara,  Rikiya Hasegawa,  Takaaki Matsumoto,  Hiroshi Imaizumi,  Mitsuhiro Kida,  Chika Kusano, 
  • First Published: 01 July 2025

CASE REPORT

Open Access

Treatment of Hepatocellular Carcinoma Using Endoscopic Ultrasound-guided Radiofrequency Ablation: A Case Series

Yogesh Harwani,  Shreya Butala,  Varun Shukla,  Anand Patel,  Surbhi Dogra Jani, 
  • First Published: 01 July 2025

REVIEW

Open Access

Role of Endoscopic Ultrasound-guided Gastroenterostomy for Benign Gastric Outlet Obstruction

Suprabhat Giri,  Saroj Kanta Sahu,  Gaurav Khatana,  Prasanna Gore,  Preetam Nath,  Bipadabhanjan Mallick,  Jimmy Narayan,  Aditya Kale,  Sridhar Sundaram, 
  • First Published: 01 July 2025
Open Access

Capsule Endoscopy in Inflammatory Bowel Disease: Current Status and Issues in Clinical Practice

Teppei Omori,  Haruka Wada,  Tatsuya Mitsui,  Mari Hayashida,  Noritaka Hibi,  Daisuke Saito,  Tadakazu Hisamatsu, 
  • First Published: 26 June 2025

CASE REPORT

Open Access

Barrett's Esophageal Adenocarcinoma with Neuroendocrine Cell Carcinoma Treated by Endoscopic Submucosal Dissection: A Case Report and Literature Review

Yo Kubota,  Kenji Ishido,  Kusutaro Doi,  Gen Kitahara,  Takuya Wada,  Akinori Watanabe,  Hisatomo Ikehara,  Chika Kusano, 
  • First Published: 24 June 2025

ORIGINAL ARTICLE

Open Access

Efficacy and Safety of Multihole Partially Covered Self-Expandable Metal Stents for Distal Malignant Biliary Obstruction: A Single-Center Retrospective Study

Kengo Matsumoto,  Kazuhide Iwasa,  Asuka Watanabe,  Hiroki Takiyama,  Satoru Okabe,  Naoto Osugi,  Dai Nakamatsu,  Masashi Yamamoto,  Shiro Hayashi,  Koji Fukui,  Tsutomu Nishida, 
  • First Published: 22 June 2025

REVIEW

Open Access

Endoscopic Ultrasound-guided Drainage With Lumen-apposing Metal Stent versus Plastic Stent for the Treatment of Pancreatic Pseudocyst: A Systematic Review and Meta-analysis

André Orsini Ardengh,  Thiago Arantes de Carvalho Visconti,  Marcelo Klotz Dall'Agnol,  Ygor Rocha Fernandes,  Matheus de Oliveira Veras,  Evellin Souza Valentim dos Santos,  Marcos Eduardo Lera do Santos,  Sergio Eiji Matuguma,  José Celso Ardengh,  Wanderley Marques Bernardo,  Eduardo Guimarães Hourneaux de Moura, 
  • First Published: 22 June 2025

ORIGINAL ARTICLE

Open Access

Artificial Intelligence-assisted Endoscopy and Examiner Confidence: A Study on Human–Artificial Intelligence Interaction in Barrett's Esophagus (With Video)

David Roser,  Michael Meinikheim,  Anna Muzalyova,  Robert Mendel,  Christoph Palm,  Andreas Probst,  Sandra Nagl,  Markus W. Scheppach,  Christoph Römmele,  Elisabeth Schnoy,  Nasim Parsa,  Michael F. Byrne,  Helmut Messmann,  Alanna Ebigbo, 
  • First Published: 19 June 2025

CASE REPORT

Open Access

Concurrent Diagnosis of Superficial Esophageal Cancer and Esophageal Achalasia: A Case Report and Literature Review

Ai Katsumi,  Hideki Mori,  Noriko Matsuura,  Tatsuhiro Masaoka,  Yusaku Takatori,  Hideomi Tomida,  Teppei Akimoto,  Hiroko Ando,  Motohiko Kato,  Takanori Kanai, 
  • First Published: 17 June 2025

ORIGINAL ARTICLE

Open Access

Japanese Multi-Institution Study of Success Rates of Wire-Guided Biliary Cannulation During Endoscopic Retrograde Cholangiopancreatography in Relation to Guidewire tip Length (JMIT Study) (With Video)

Takeshi Ogura,  Yuki Tanisaka,  Masanari Sekine,  Katsumasa Kobayashi,  Hirotsugu Maruyama,  Shinji Hirai,  Hideyuki Shiomi,  Minoru Shigekawa,  Masaki Kuwatani,  Kenji Ikezawa,  Masahiro Itonaga,  Mamoru Takenaka,  Susumu Hijioka,  Tsukasa Ikeura,  Shinpei Doi,  Nao Fujimori,  Kazuya Koizumi,  Yousuke Nakai,  Tadahisa Inoue,  Shuntaro Mukai,  Kazuyuki Matsumoto,  Ryuki Minami,  Koichiro Mandai,  Atsuhiro Matsuda,  Takuji Iwashita,  Hiroki Kawashima,  Takao Itoi, 
  • First Published: 16 June 2025

TECHNIQUES AND INNOVATION

Open Access

A Novel Bioabsorbable Covered Stent for Advancing Bile Duct Injury Management: A Preclinical Study in a Porcine Model (With Video)

Mitsuo Miyazawa,  Masayasu Aikawa,  Junpei Takashima,  Hirotoshi Kobayashi,  Takuya Minagawa,  Osamu Itano,  Shunsuke Ohnishi, 
  • First Published: 10 June 2025

CASE REPORT

Open Access

A Case of Perforated Peritonitis Caused by the Migration of a Single-Puncture Gastric Wall Fixation Device Following Percutaneous Endoscopic Gastrostomy

Yuu Kodama,  Yuji Mizokami,  Hidemitsu Nishizawa,  Gen Maeda,  Gen Kimura,  Yuzo Toyama,  Shingo Asahara,  Ryuji Nagahama,  Hideki Sunagawa, 
  • First Published: 10 June 2025

ORIGINAL ARTICLE

Open Access

Factors Affecting Clinical Course of Postoperative Bile Leakage and Efficacy of Endoscopic Biliary Drainage: A Multi-Center Retrospective Cohort Study

Kota Shimojo,  Takuji Iwashita,  Keisuke Iwata,  Yuki Utakata,  Kaori Koide,  Takuya Koizumi,  Yuki Ito,  Yosuke Ohashi,  Shota Iwata,  Akihiko Senju,  Ryuichi Tezuka,  Hironao Ichikawa,  Yuhei Iwasa,  Naoki Mita,  Mitsuru Okuno,  Kensaku Yoshida,  Akinori Maruta,  Shinya Uemura,  Masahiko Kawai,  Yoshiyuki Sasaki,  Katsutoshi Murase,  Nobuhisa Matsuhashi,  Masahito Shimizu, 
  • First Published: 10 June 2025
Open Access

Usefulness of a One-step Semi-deployment Flushing and Stenting Technique in Endoscopic Transpapillary Gallbladder Drainage for Acute Cholecystitis (With Video)

Yuki Kawasaki,  Jun Ushio,  Hisaki Kato,  Kazuya Sumi,  Yuki Shibata,  Norihiro Nomura,  Junichi Eguchi,  Takayoshi Ito,  Haruhiro Inoue, 
  • First Published: 08 June 2025
Open Access

Gel Immersion Endoscopic Submucosal Dissection Using a Scissor-type Knife for Superficial Non-ampullary Duodenal Epithelial Tumors

Osamu Dohi,  Naoto Iwai,  Hayato Fukui,  Mayuko Seya,  Tomoko Ochiai,  Junki Yumoto,  Hiroki Mukai,  Katsuma Yamauchi,  Hajime Miyazaki,  Takeshi Yasuda,  Takuma Yoshida,  Tsugitaka Ishida,  Hiroaki Kitae,  Yukiko Morinaga,  Reo Kobayashi,  Ryohei Hirose,  Ken Inoue,  Naohisa Yoshida,  Kazuhiko Uchiyama,  Tomohisa Takagi,  Hideyuki Konishi,  Yoshito Itoh, 
  • First Published: 30 June 2025
Open Access

Endoscopic Hemostasis for Gastrointestinal Stromal Tumor Hemorrhage: A Case Series and Retrospective Analysis of Risk Factors

Karen Kimura,  Chikamasa Ichita,  Chihiro Sumida,  Takashi Nishino,  Miki Nagayama,  Akiko Sasaki, 
  • First Published: 07 June 2025

CASE REPORT

Open Access

Pancreatic Neuroendocrine Tumor Leading to a Diagnosis of Multiple Endocrine Neoplasia Type 1

Noriyuki Hirakawa,  Katsuya Kitamura,  Kei Yamamoto,  Kenichi Tadokoro,  Yasunosuke Akita,  Jun Uemura,  Fumito Yamanishi,  Masakazu Abe,  Munehide Nakatsugawa,  Takao Itoi, 
  • First Published: 06 June 2025

ORIGINAL ARTICLE

Open Access

Endoscopic Retrograde Cholangiopancreatography-guided Biliary Drainage with Duckbill-type Anti-reflux Metal Stent versus Endoscopic Ultrasound-guided Hepaticogastrostomy for Malignant Distal Biliary Obstruction in Pancreatic Cancer with Duodenal Invasion

Tsuyoshi Takeda,  Takashi Sasaki,  Tatsuki Hirai,  Yoichiro Sato,  Yuri Maegawa,  Takafumi Mie,  Takaaki Furukawa,  Yukari Suzuki,  Takeshi Okamoto,  Masato Ozaka,  Naoki Sasahira, 
  • First Published: 06 June 2025

CASE REPORT

Open Access

Wirsungocele as a Rare Cause of Recurrent Pancreatitis: Etiology and Therapeutic Insights

Sorano Ichiya,  Jun Nakahodo,  Shunsuke Imaeda,  Ryogo Minami,  Fumio Kakizaki,  Wataru Ujita,  Hiroki Tabata,  Kazuro Chiba,  Toshiro Iizuka, 
  • First Published: 05 June 2025

ORIGINAL ARTICLE

Open Access

Endoscopic Management of Complex Duodenal Ulcer Bleeding Using Over-the-Scope Clips: Clinical Insights From a Regional Core Hospital

Akihiro Maruyama,  Hirotaka Takeshima,  Hiroshi Nakayabu,  Hiroki Kato,  Shintaro Tominaga,  Makoto Kobayashi, 
  • First Published: 05 June 2025
Open Access

Impact of Non-Anesthesiologist-Administered Propofol Sedation for Outpatient Endoscopy in the Healthcare System

Francesco Vito Mandarino,  Giorgia Gribaudo,  Noemi Salmeri,  Lorella Fanti,  Alberto Barchi,  Luca Massimino,  Ernesto Fasulo,  Giuseppe Dell'Anna,  Francesco Azzolini,  Edi Viale,  Edoardo Vespa,  Lorenzo Quario,  Antonio Facciorusso,  Lorenzo Fuccio,  Lorenzo Giovanni Mantovani,  Paolo Angelo Cortesi,  Silvio Danese, 
  • First Published: 05 June 2025

REVIEW

Open Access

Management Strategies for Refractory Esophageal Varices

Keita Maki,  Hiroaki Haga,  Yoshiyuki Ueno, 
  • First Published: 19 June 2025

ORIGINAL ARTICLE

Open Access

Feasibility of Novel Slim Peroral Cholangiopancreatoscopy for the Diagnosis of Pancreatobiliary Disease

Haruo Miwa,  Kazuya Sugimori,  Kuniyasu Irie,  Yoshihiro Goda,  Kozue Shibasaki,  Yugo Ishino,  Shotaro Tsunoda,  Kazuki Endo,  Ritsuko Oishi,  Yuichi Suzuki,  Hiromi Tsuchiya,  Akihiro Funaoka,  Hideyuki Anan,  Yoshimasa Suzuki,  Takashi Kaneko,  Manabu Morimoto,  Kazushi Numata,  Shin Maeda, 
  • First Published: 02 June 2025
Open Access

Investigation of the actual implementation of “post-sedation discharge criteria” and “time-out” immediately before procedure in endoscopy: A nationwide survey study in Japan

Atsushi Imagawa,  Motohiko Kato,  Junko Koyama,  Mitsuhiro Fujishiro, 
  • First Published: 27 May 2025

REVIEW

Open Access

Current Status of Gastric Cancer Screening and Future Perspectives

Chika Kusano,  Fumiaki Ishibashi,  Chikamasa Ichita,  Takuji Gotoda, 
  • First Published: 26 May 2025

CASE REPORT

Open Access

A Case of Gastric Atypical Lipomatous Tumor/Well-Differentiated Liposarcoma With Endoscopic Morphological Changes

Rika Omote,  Shizuma Omote,  Hiroshi Sonobe,  Ryosuke Hamano,  Tatsuya Toyokawa,  Shinya Otsuka,  Takehiro Tanaka,  Hiroyuki Yanai,  Masaru Inagaki,  Hidetaka Yamamoto, 
  • First Published: 22 May 2025

REVIEW

Open Access

Prevention of Adverse Events in Endoscopic Ultrasound-Guided Biliary Drainage

Hirotoshi Ishiwatari,  Hiroki Sakamoto,  Takuya Doi,  Masahiro Yamamura, 
  • First Published: 22 May 2025
Open Access

Covered Self-Expanding Metal Stents Versus Multiple Plastic Stents in Treating Biliary Strictures Post-Orthotopic Liver Transplantation: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Ygor Rocha Fernandes,  Thiago Arantes de Carvalho Visconti,  Marcelo Klotz Dall'Agnol,  André Orsini Ardengh,  Matheus de Oliveira Veras,  Evellin Souza dos Santos Valentim,  Marcos Eduardo Lera dos Santos,  Sergio Eiji Matuguma,  Wanderley Marques Bernardo,  Eduardo Guimarães Hourneaux de Moura, 
  • First Published: 23 May 2025

ORIGINAL ARTICLE

Open Access

Visibility Evaluation of Fundic Gland Polyp Associated With Proton Pump Inhibitor in Texture and Color Enhancement Imaging

Ryota Uchida,  Hiroya Ueyama,  Tsutomu Takeda,  Shunsuke Nakamura,  Yasuko Uemura,  Tomoyo Iwano,  Momoko Yamamoto,  Hisanori Utsunomiya,  Daiki Abe,  Shotaro Oki,  Nobuyuki Suzuki,  Atsushi Ikeda,  Yoichi Akazawa,  Kumiko Ueda,  Mariko Hojo,  Shuko Nojiri,  Takashi Yao,  Akihito Nagahara, 
  • First Published: 22 May 2025
Open Access

Comparison effectiveness of topical analgesics with and without Entonox for esophagogastroduodenoscopy: A randomized controlled trial

Papiroon Noitasaeng,  Uayporn Kaosombatwattana,  Rojsirin Chaiwong,  Phongthara Vichitvejpaisal, 
  • First Published: 19 May 2025

REVIEW

Open Access

Advancements and limitations of image-enhanced endoscopy in colorectal lesion diagnosis and treatment selection: A narrative review

Taku Sakamoto,  Shintaro Akiyama,  Toshiaki Narasaka,  Kiichiro Tuchiya, 
  • First Published: 08 May 2025

ORIGINAL ARTICLE

Open Access

Endoscopic resection of polypoid solitary rectal ulcer: A novel first-line therapeutic strategy using snare-assisted mucosal and fibrosis resection

Mojgan Forootan,  Alessandro Repici,  Mohsen Rajabnia,  Mohammad Ali Karimi,  Ali Jahanian,  Pardis Ketabi Moghadam,  Mahsa Mohammadi,  Erfan Ghadirzadeh,  Abdorraoof Soudi,  Elham Paraandavaji,  Sasan Shafiei,  Mohammad Reza Zali,  Mohammad Tashakoripour, 
  • First Published: 08 May 2025

REVIEW

Open Access

Diagnosis and treatment of gastric abscess by endoscopic ultrasound: A mini-review of the preliminary application

Jia Xie,  Mo-Jin Wang,  Rui Wang, 
  • First Published: 07 May 2025

ORIGINAL ARTICLE

Open Access

Optimal timing of precut sphincterotomy to prevent post-endoscopic retrograde cholangiopancreatography pancreatitis in difficult biliary cannulation: A retrospective study

Tomohiro Tanikawa,  Keisuke Miyake,  Mayuko Kawada,  Katsunori Ishii,  Takashi Fushimi,  Noriyo Urata,  Nozomu Wada,  Ken Nishino,  Mitsuhiko Suehiro,  Miwa Kawanaka,  Hidenori Shiraha,  Ken Haruma,  Hirofumi Kawamoto, 
  • First Published: 06 May 2025
Open Access

Prognostic factors and long-term outcomes with endoscopic submucosal dissection for colorectal tumors in patients aged 75 years or older

Takaya Miura,  Satohiro Matsumoto,  Azumi Sato,  Shu Kojima,  Goya Sasaki,  Mina Morino,  Keita Matsumoto,  Hitomi Kashima,  Yudai Koito,  Takehiro Ishii,  Shuhei Yoshikawa,  Haruka Otake,  Takeshi Uehara,  Masanari Sekine,  Takeharu Asano,  Hiroyuki Miyatani,  Hirosato Mashima, 
  • First Published: 06 May 2025

CASE REPORT

Open Access

A case of duodenal pyloric gland adenoma with high-grade dysplasia arising from ectopic gastric mucosa

Kenichiro Nakachi,  Hironobu Nagumo,  Tetsuro Okura,  Wataru Ohno,  Takashi Ashikawa,  Tomoyuki Funato,  Toshiyasu Shiratori,  So Nakaji,  Shion Ando, 
  • First Published: 06 May 2025

TECHNIQUES AND INNOVATION

Open Access

Feasibility of a novel slim gastroscope for endoscopic submucosal dissection: A case series (with video)

Marina Kim,  Yohei Minato,  Darshan Parekh,  Hideyuki Chiba,  Ryoju Negishi,  Shunya Takayanagi,  Kohei Ono,  Yuki Kano,  Yoshiaki Kimoto,  Nao Takeuchi,  Shinya Nagae,  Ken Ohata, 
  • First Published: 06 May 2025

CASE REPORT

Open Access

Antireflux myoplasty: Endoscopic myoplasty with bilateral sling fiber plication for refractory gastroesophageal reflux disease

Hironari Shiwaku,  Akio Shiwaku,  Hisatoshi Irie,  Takayuki Akasaki,  Seiya Sato,  Nobuhiko Koreeda,  Katsudai Shirakabe,  Kosuke Yamauchi,  Haruhiro Inoue,  Suguru Hasegawa, 
  • First Published: 07 May 2025

ORIGINAL ARTICLE

Open Access

Adequacy evaluation of 22-gauge needle endoscopic ultrasound-guided tissue acquisition samples and glass slides preparation for successful comprehensive genomic profiling testing: A single institute experience

Tami Nagatani,  Yoji Wani,  Masahiro Takatani,  Soichiro Fushimi,  Hirofumi Inoue,  Shinichiro Hori,  Kyohei Kai,  Hideki Yamamoto,  Tetsuya Okazaki,  Maki Tanioka,  Hiroyuki Okada,  Akira Hirasawa, 
  • First Published: 09 May 2025

REVIEW

Open Access

Endoscopic management of acute cholecystitis in high-risk surgical patients: A comprehensive review article

Akinori Maruta,  Takuji Iwashita,  Kensaku Yoshida,  Shogo Shimizu,  Masahito Shimizu, 
  • First Published: 06 May 2025

ORIGINAL ARTICLE

Open Access

Clinical backgrounds and outcomes of patients with Barrett's esophageal adenocarcinoma treated via endoscopic submucosal dissection in Kyushu, Japan: A retrospective multicenter cohort study

Fumisato Sasaki,  Kazuhiro Mizukami,  Taro Akashi,  Naoyuki Yamaguchi,  Ryosuke Gushima,  Hideaki Miyamoto,  Shohei Uehara,  Yoichiro Ono,  Takashi Hisabe,  Yuzuru Kinjo,  Yuichiro Nasu,  Kensuke Fukuda,  Taisuke Inada,  Yorinobu Sumida,  Takashi Akutagawa,  Tadashi Miike,  Sho Suzuki,  Hiroki Fukuya,  Michita Mukasa,  Mitsuru Esaki,  Shinsuke Kumei,  Yosuke Minoda,  Tetsu Kinjo,  Daisuke Yamaguchi,  Yoshio Fukuda,  Kazutoshi Hashiguchi,  Hiroki Yano,  Hiroshi Fujita,  Ryo Shimoda,  GI-Kysuhu study group , 
  • First Published: 05 May 2025
Open Access

Endoscopic features of deficient mismatch repair/microsatellite instability-high and BRAF-mutated colorectal cancer

Rika Omote,  Shizuma Omote,  Ryohei Sumii,  Joichiro Horii,  Isao Fujita,  Hideaki Miyaso,  Tatsuya Toyokawa,  Masaru Inagaki, 
  • First Published: 04 May 2025
Open Access

A pilot study on anti-reflux mucoplasty with valve as novel endoscopic therapy for gastroesophageal reflux disease

Kazuki Yamamoto,  Haruhiro Inoue,  Ippei Tanaka,  Rei Miyake,  Masachika Saino,  Kei Ushikubo,  Miyuki Iwasaki,  Yohei Nishikawa,  Satoshi Abiko,  Boldbaatar Gantuya,  Manabu Onimaru,  Mayo Tanabe, 
  • First Published: 04 May 2025

TECHNIQUES AND INNOVATION

Open Access

Endoscopic findings of gallbladder lesions evaluated with image-enhanced endoscopy: A preliminary study using resected gallbladders

Kiyoyuki Kobayashi,  Maki Ayaki,  Takako Nomura,  Kaho Nakatani,  Masaki Tokumo,  Yasutaka Kokudo,  Toshiaki Morito,  Ichiro Ishikawa,  Akihiro Kondo,  Yasuhisa Ando,  Hironobu Suto,  Minoru Oshima,  Ryota Nakabayashi,  Toshiaki Kono,  Naoki Fujita,  Hiroki Yamana,  Hideki Kamada,  Masafumi Ono,  Keiichi Okano,  Hideki Kobara, 
  • First Published: 03 May 2025

ORIGINAL ARTICLE

Open Access

Long-term results of palliative placement of very low-axial force self-expandable metallic stents for malignant colorectal obstruction

Rika Kyo,  Takashi Sasaki,  Shuntaro Yoshida,  Hiroyuki Isayama,  Tomonori Yamada,  Toshiyuki Enomoto,  Yorinobu Sumida,  Toshio Kuwai,  Masafumi Tomita,  Takeaki Matsuzawa,  Rintaro Moroi,  Toshiyasu Shiratori,  Yoshihisa Saida, 
  • First Published: 01 May 2025

REVIEW

Open Access

Assessing the effectiveness of texture and color enhancement imaging versus white-light endoscopy in detecting gastrointestinal lesions: A systematic review and meta-analysis

Muhammad Shahzil,  Talha Bin Kashif,  Zainab Jamil,  Muhammad Ali Khaqan,  Luqman Munir,  Zunaira Amjad,  Muhammad Saad Faisal,  Ammad Javaid Chaudhary,  Hassam Ali,  Shahryar Khan,  Ikponmwosa Enofe, 
  • First Published: 30 April 2025

ORIGINAL ARTICLE

Open Access

Effects of artificial intelligence assistance on endoscopist performance: Comparison of diagnostic performance in superficial esophageal squamous cell carcinoma detection using video-based models

Naoki Aoyama,  Keiichiro Nakajo,  Maasa Sasabe,  Atsushi Inaba,  Yuki Nakanishi,  Hiroshi Seno,  Tomonori Yano, 
  • First Published: 02 May 2025

REVIEW

Open Access

Updated evidence on epidemiology, diagnosis, and treatment for colonic diverticular bleeding

Chikamasa Ichita,  Takaaki Kishino,  Tomonori Aoki,  Tomohiko Machida,  Takashi Murakami,  Yoshinori Sato,  Naoyoshi Nagata, 
  • First Published: 06 May 2025

CASE REPORT

Open Access

A case of hemobilia caused by a pseudoaneurysm resulting in obstructive cholangitis in a patient who underwent plastic stent placement for pancreatic cancer (with video)

Yusuke Seyama,  Akinori Sugaya,  Ken Koyama,  Hiroyuki Honda,  Hajime Ishibashi,  Masaharu Yamaoka,  Mitsuharu Ozeki,  Mitsuhide Goto,  Masahiro Araki,  Kenji Amagai, 
  • First Published: 29 April 2025

ORIGINAL ARTICLE

Open Access

A UK single-center pilot experience using a novel robotic inchworm colonoscopy system

Jabed F. Ahmed,  Sergio Coda,  Purushothaman Premchand,  Saswata Banerjee,  Nisha Patel, 
  • First Published: 29 April 2025

CASE REPORT

Open Access

Olmesartan-induced gastritis with no lower gastrointestinal symptoms: A case report

Satoshi Kosaka,  Miki Kamiyama,  Masahiro Ochi, 
  • First Published: 29 April 2025
Open Access

Rectal metastasis from lung cancer diagnosed by endoscopic ultrasound-guided fine needle biopsy: A case report

Shinji Mukawa,  Yudai Koya,  Tomoyuki Murakami,  Koichiro Miyagawa,  Yuki Maruno,  Koki Yamaguchi,  Shun Hanada,  Shinji Oe,  Masaru Harada, 
  • First Published: 29 April 2025
Open Access

“Cat scratch colon” causing cecal perforation as a rare complication due to barotrauma during colonoscopy: A case report and literature review

Hitoshi Hara,  Yasuhide Muto,  Tomoki Kido,  Ryohei Miyata,  Moe Tokuda,  Tomohiro Maesono,  Takahiro Ajihara,  Takuma Naritomi,  Michio Itabashi, 
  • First Published: 29 April 2025