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Case Report
Underwater Endoscopic Mucosal Resection without Submucosal Injection Facilitates En bloc Resection of Colon Adenomas Extending into a Diverticulum
Yoshikazu Hayashi, Masahiro Okada, Takaaki Morikawa, Tatsuma Nomura, Hisashi Fukuda, Takahito Takezawa, Alan Kawarai Lefor, Hironori Yamamoto
Clin Endosc 2021;54(3):436-440.   Published online November 6, 2020
DOI: https://doi.org/10.5946/ce.2020.168
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Superficial colonic neoplasms sometimes extend into a diverticulum. Conventional endoscopic mucosal resection of these lesions is considered challenging because colonic diverticula do not have a muscularis propria and are deeply inverted. Even if the solution is carefully injected below the mucosa at the bottom of the diverticulum, the mucosa is rarely elevated from the diverticular orifice, and it is usually just narrowed. Although endoscopic submucosal dissection or full-thickness resection with an over-the-scope clip device enables the complete resection of these lesions, it is still challenging, time consuming and expensive. Underwater endoscopic mucosal resection without submucosal injection (UEMR) is an innovative technique enabling en bloc resection of superficial colon lesions. We report three patients with colon adenomas extending into a diverticulum treated with successful UEMR. UEMR enabled rapid and safe en bloc resection of colon lesions extending into a diverticulum.

Citations

Citations to this article as recorded by  
  • Underwater endoscopic mucosal resection for colorectal lesions: Can it be an “Underwater” revolution?
    Yoji Takeuchi, Satoki Shichijo, Noriya Uedo, Ryu Ishihara
    DEN Open.2022;[Epub]     CrossRef
  • 4,312 View
  • 122 Download
  • 1 Web of Science
  • 1 Crossref
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Focused Review Series: Current Status of Image-Enhanced Endoscopy (IEE)
Linked Color Imaging and Blue Laser Imaging for Upper Gastrointestinal Screening
Hiroyuki Osawa, Yoshimasa Miura, Takahito Takezawa, Yuji Ino, Tsevelnorov Khurelbaatar, Yuichi Sagara, Alan Kawarai Lefor, Hironori Yamamoto
Clin Endosc 2018;51(6):513-526.   Published online November 2, 2018
DOI: https://doi.org/10.5946/ce.2018.132
AbstractAbstract PDFPubReaderePub
White light imaging (WLI) may not reveal early upper gastrointestinal cancers. Linked color imaging (LCI) produces bright images in the distant view and is performed for the same screening indications as WLI. LCI and blue laser imaging (BLI) provide excellent visibility of gastric cancers in high color contrast with respect to the surrounding tissue. The characteristic purple and green color of metaplasias on LCI and BLI, respectively, serve to increase the contrast while visualizing gastric cancers regardless of a history of Helicobacter pylori eradication.
LCI facilitates color-based recognition of early gastric cancers of all morphological types, including flat lesions or those in an H. pylori-negative normal background mucosa as well as the diagnosis of inflamed mucosae including erosions. LCI reveals changes in mucosal color before the appearance of morphological changes in various gastric lesions. BLI is superior to LCI in the detection of early esophageal cancers and abnormal findings of microstructure and microvasculature in close-up views of upper gastrointestinal cancers. Excellent images can also be obtained with transnasal endoscopy. Using a combination of these modalities allows one to obtain images useful for establishing a diagnosis. It is important to observe esophageal cancers (brown) using BLI and gastric cancers (orange) surrounded by intestinal metaplasia (purple) and duodenal cancers (orange) by LCI.

Citations

Citations to this article as recorded by  
  • Higher detectability of gastric cancer after Helicobacter pylori eradication in texture and color enhancement imaging mode 2 in screening endoscopy
    Yuichiro Kemmoto, Shun‐ichiro Ozawa, Ryota Sueki, Keiichi Furuya, Daimon Shirose, Satoshi Wakao, Kuniaki Shindo, Atsushi Nagata, Tadashi Sato
    DEN Open.2024;[Epub]     CrossRef
  • Simultaneous detection of Helicobacter pylori infection comparing between white light and image-enhanced endoscopy
    Boonyaorn Chatrangsun, Natsuda Aumpan, Bubpha Pornthisarn, Soonthorn Chonprasertsuk, Sith Siramolpiwat, Patommatat Bhanthumkomol, Pongjarat Nunanan, Navapan Issariyakulkarn, Varocha Mahachai, Yoshio Yamaoka, Ratha-korn Vilaichone
    BMC Gastroenterology.2024;[Epub]     CrossRef
  • Linked Color Imaging of Barrett’s Esophageal Adenocarcinoma: Effects on Visibility
    Masahiro Saito, Tomoyuki Koike, Yuki Ohara, Yohei Ogata, Takeshi Kanno, Xiaoyi Jin, Waku Hatta, Kaname Uno, Naoki Asano, Akira Imatani, Atsushi Masamune
    Gastroenterology Insights.2024; 15(1): 145.     CrossRef
  • A Case of Duodenal Adenocarcinoma Effectively Highlighted by Linked Color Imaging and Confirmed by Histopathology
    Kimitoshi Kubo, Xinhan Zhang, Ikko Tanaka, Noriko Kimura
    Cureus.2024;[Epub]     CrossRef
  • Surveillance esophagogastroduodenoscopy using linked color imaging and narrow‐band imaging: A multicenter randomized controlled trial
    Marina Kubo, Shoko Ono, Osamu Dohi, Hayato Fukui, Takuto Hikichi, Tsunetaka Kato, Momoko Tsuda, Mio Matsumoto, Sosuke Kato, Rieko Mukai, Nobuaki Yagi, Ryo Takagi, Naoya Sakamoto, Mototsugu Kato
    Journal of Gastroenterology and Hepatology.2024; 39(6): 1065.     CrossRef
  • The Diagnostic Performance of Linked Color Imaging Compared to White Light Imaging in Endoscopic Diagnosis of Helicobacter pylori Infection: A Systematic Review and Meta-Analysis
    Jae Gon Lee, In Kyung Yoo, Abdullah Ozgur Yeniova, Sang Pyo Lee
    Gut and Liver.2024; 18(3): 444.     CrossRef
  • Diagnostic performance of blue laser imaging for early detection of gastric cancer: A systematic review and meta-analysis
    Mohammed Rifat Shaik, Andrew Canakis, Nishat Anjum Shaik, Shivanand Bomman, Dushyant Singh Dahiya, Emily Gorman, Mohammad Bilal, Saurabh Chandan
    Indian Journal of Gastroenterology.2024; 43(5): 976.     CrossRef
  • Cromoendoscopia virtual utilizando BLI en el diagnóstico endoscópico de esófago de Barrett neoplásico y no neoplásico
    Juan Carlos González
    Revista GEN.2024; 77(4): 140.     CrossRef
  • Primary tracheal schwannoma: Bronchoscopic management of a rare tracheal tumour
    Krizelle Acibal, Belgundi Preeti Vidyasagar, Harikishan Gonuguntla
    Respirology Case Reports.2024;[Epub]     CrossRef
  • Diagnostic accuracy of linked color imaging and white light imaging for early gastric cancer and gastrointestinal metaplasia: a systematic review and meta-analysis
    Hui Duan, Xinxu Zhou, Qian Li, Liu Liu, Qiong Wang, Kaiwen Wu, Lin Jiang, Xiaobin Sun
    Frontiers in Oncology.2024;[Epub]     CrossRef
  • Linked color imaging and upper gastrointestinal neoplasia
    Shoko Ono, Masaki Inoue, Masayuki Higashino, Shuhei Hayasaka, Shugo Tanaka, Hiroki Egami, Naoya Sakamoto
    Digestive Endoscopy.2024;[Epub]     CrossRef
  • Current status and future perspective of linked color imaging for gastric cancer screening: a literature review
    Kazuo Yashima, Takumi Onoyama, Hiroki Kurumi, Yohei Takeda, Akira Yoshida, Koichiro Kawaguchi, Naoyuki Yamaguchi, Hajime Isomoto
    Journal of Gastroenterology.2023; 58(1): 1.     CrossRef
  • Improvement of detection sensitivity of upper gastrointestinal epithelial neoplasia in linked color imaging based on data of eye tracking
    Masayuki Higashino, Shoko Ono, Shogo Matsumoto, Marina Kubo, Naohiro Yasuura, Shuhei Hayasaka, Ikko Tanaka, Yoshihiko Shimoda, Yusuke Nishimura, Masayoshi Ono, Keiko Yamamoto, Yuji Ono, Naoya Sakamoto
    Journal of Gastroenterology and Hepatology.2023; 38(5): 710.     CrossRef
  • Linked Color Imaging for Stomach
    Eiji Umegaki, Hiraku Misawa, Osamu Handa, Hiroshi Matsumoto, Akiko Shiotani
    Diagnostics.2023; 13(3): 467.     CrossRef
  • Impact of linked color imaging and blue laser imaging on the diagnosis of esophageal squamous cell carcinoma in iodine unstained areas
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    The Kaohsiung Journal of Medical Sciences.2023; 39(5): 533.     CrossRef
  • Advances in Endoscopic Diagnosis of Early Gastric Cancer
    真 徐
    Advances in Clinical Medicine.2023; 13(04): 6577.     CrossRef
  • Helicobacter pylori Infection: Conventional and Molecular Strategies for Bacterial Diagnosis and Antibiotic Resistance Testing
    Reza Ranjbar, Amir Ebrahimi, Amirhossein Sahebkar
    Current Pharmaceutical Biotechnology.2023; 24(5): 647.     CrossRef
  • Linked color imaging versus conventional white light colonoscopy for the detection of colorectal polyps
    Jun Watanabe, Takeshi Kanno, Eiichi Kakehi, Kazuma Rifu, Takehiro Kagaya, Kazuhiko Kotani, Yuki Kataoka
    Cochrane Database of Systematic Reviews.2023;[Epub]     CrossRef
  • Role of linked color imaging for upper gastrointestinal disease: present and future
    Sang Pyo Lee
    Clinical Endoscopy.2023; 56(5): 546.     CrossRef
  • Landscape of Innovative Methods for Early Diagnosis of Gastric Cancer: A Systematic Review
    Alexandra Orășeanu, Mihaela Cristina Brisc, Octavian Adrian Maghiar, Horia Popa, Ciprian Mihai Brisc, Sabina Florina Șolea, Teodor Andrei Maghiar, Ciprian Brisc
    Diagnostics.2023; 13(24): 3608.     CrossRef
  • Diagnostic ability of linked color imaging in ultraslim endoscopy to identify neoplastic lesions in the upper gastrointestinal tract
    Ken Haruma, Mototsugu Kato, Kenro Kawada, Takahisa Murao, Shoko Ono, Mitsuhiko Suehiro, Shinichiro Hori, Fumisato Sasaki, Tomoyuki Koike, Shinji Kitamura, Osamu Dohi, Hiromitsu Kanzaki, Nobuaki Yagi, Keiichi Hashiguchi, Shiro Oka, Kazuhiro Katada, Ryo Shi
    Endoscopy International Open.2022; 10(01): E88.     CrossRef
  • Incidence of Infection among Subjects with Helicobacter pylori Seroconversion
    Young Jung Kim, Sun-Young Lee, Jeong Hwan Kim, In-Kyung Sung, Hyung Seok Park
    Clinical Endoscopy.2022; 55(1): 67.     CrossRef
  • Linked color imaging effectively detects the endoscopic atrophic border in transnasal endoscopy
    Yusuke Kawai, Mitsushige Sugimoto, Mariko Hamada, Eri Iwata, Ryota Niikura, Naoyoshi Nagata, Masakatsu Fukuzawa, Takao Itoi, Takashi Kawai
    Journal of Clinical Biochemistry and Nutrition.2022; 70(3): 290.     CrossRef
  • Linked color imaging improves identification of early gastric cancer lesions by expert and non-expert endoscopists
    Kiki Fockens, Jeroen de Groof, Joost van der Putten, Tsevelnorov Khurelbaatar, Hisashi Fukuda, Takahito Takezawa, Yoshimasa Miura, Hiroyuki Osawa, Hironori Yamamoto, Jacques Bergman
    Surgical Endoscopy.2022; 36(11): 8316.     CrossRef
  • Improved detection of early gastric cancer with linked color imaging using an ultrathin endoscope: a video-based analysis
    Tsevelnorov Khurelbaatar, Yoshimasa Miura, Hiroyuki Osawa, Yuji Ino, Takahito Takezawa, Chihiro Iwashita, Yoshie Nomoto, Masato Tsunoda, Takashi Ueno, Haruo Takahashi, Manabu Nagayama, Hisashi Fukuda, Alan Kawarai Lefor, Hironori Yamamoto
    Endoscopy International Open.2022; 10(05): E644.     CrossRef
  • Risk factors for early gastric cancer: focus on Helicobacter pylori gastritis
    Hee Seok Moon
    Journal of the Korean Medical Association.2022; 65(5): 259.     CrossRef
  • Diagnostic accuracy of linked colour imaging versus white light imaging for early gastric cancers: a prospective, multicentre, randomized controlled trial study
    Min Min, Xiaotian Sun, Jianying Bai, Qinsheng Zhang, Xiaocui Yang, Qiang Guo, Rong Wang, Bangmao Wang, Zhiwu Lv, Jie Pan, Chunmeng Jiang, Duanmin Hu, Bing Nong, Enqiang Linghu, Yan Liu
    Annals of Medicine.2022; 54(1): 3305.     CrossRef
  • Using texture and colour enhancement imaging to evaluate gastrointestinal diseases in clinical practice: a review
    Mitsushige Sugimoto, Yohei Koyama, Takao Itoi, Takashi Kawai
    Annals of Medicine.2022; 54(1): 3314.     CrossRef
  • Current Endoscopy Training in Korea and Future Aspects
    Young-Eun Joo
    The Korean Journal of Gastroenterology.2022; 80(5): 207.     CrossRef
  • A Method for Local Contrast Enhancement of Endoscopic Images Based on Color Tensor Transformation into a Matrix of Color Vectors’ Modules Using a Sliding Window
    Roumen Kountchev, Alexander Bekiarski, Rumen Mironov, Snezhana Pleshkova
    Symmetry.2022; 14(12): 2582.     CrossRef
  • A rare case of Helicobacter pylori-uninfected intramucosal poorly differentiated adenocarcinoma that occurred in the gastric fornix
    Yukinari Yoshida, Hiroaki Takahashi, Tomoyuki Ohuchi, Satoshi Okahara, Yoshifumi Ishii, Toshinao Takenouchi, Toshiyuki Kubo, Takefumi Kikuchi, Hiroaki Mita, Yasuyo Adachi, Norikazu Iwata, Masahiro Nakamura, Yasushi Adachi, Yasuo Kato, Takao Endo
    Clinical Journal of Gastroenterology.2021; 14(1): 63.     CrossRef
  • Detection of early stage gastric cancers in screening laser endoscopy using linked color imaging for patients with atrophic gastritis
    Minoru Yamaoka, Hiroyuki Imaeda, Kazuya Miyaguchi, Keigo Ashitani, Yoshikazu Tsuzuki, Hideki Ohgo, Hiromitsu Soma, Nobutaka Hirooka, Hidetomo Nakamoto
    Journal of Gastroenterology and Hepatology.2021; 36(6): 1642.     CrossRef
  • Linked Color Imaging Demonstrates Characteristic Findings in Semi-Pedunculated Gastric Adenocarcinoma in Helicobacter pylori-Negative Normal Mucosa
    Yuji Hiraoka, Yoshimasa Miura, Hiroyuki Osawa, Mio Sakaguchi, Masato Tsunoda, Alan Kawarai Lefor, Hironori Yamamoto
    Clinical Endoscopy.2021; 54(1): 136.     CrossRef
  • The role of computer-assisted systems for upper-endoscopy quality monitoring and assessment of gastric lesions
    Daniela Cornelia Lazăr, Mihaela Flavia Avram, Alexandra Corina Faur, Ioan Romoşan, Adrian Goldiş
    Gastroenterology Report.2021; 9(3): 185.     CrossRef
  • A prospective randomized tandem gastroscopy pilot study of linked color imaging versus white light imaging for detection of upper gastrointestinal lesions
    Clement Chun Ho Wu, Vikneswaran Namasivayam, James Weiquan Li, Chris JL Khor, Kwong Ming Fock, Ngai Moh Law, Lai Mun Wang, Tiing Leong Ang
    Journal of Gastroenterology and Hepatology.2021; 36(9): 2562.     CrossRef
  • What Is New in Helicobacter pylori Diagnosis. An Overview
    Maria Pina Dore, Giovanni Mario Pes
    Journal of Clinical Medicine.2021; 10(10): 2091.     CrossRef
  • Inter‐observer variability of experts and trainees for the diagnosis of reflux esophagitis: Comparison of linked color imaging, blue laser imaging, and white light imaging
    Sang Pyo Lee, Sea Hyub Kae, Hyun Joo Jang, Dong Hee Koh, Eun Suk Jung
    Journal of Digestive Diseases.2021; 22(7): 425.     CrossRef
  • Appropriate Color Enhancement Settings for Blue Laser Imaging Facilitates the Diagnosis of Early Gastric Cancer with High Color Contrast
    Yuji Hiraoka, Yoshimasa Miura, Hiroyuki Osawa, Yoshie Nomoto, Haruo Takahashi, Masato Tsunoda, Manabu Nagayama, Takashi Ueno, Alan Kawarai Lefor, Hironori Yamamoto
    Journal of Gastric Cancer.2021; 21(2): 142.     CrossRef
  • Application of linked color imaging in the diagnosis of early gastrointestinal neoplasms and precancerous lesions: a review
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    Therapeutic Advances in Gastroenterology.2021;[Epub]     CrossRef
  • Association between abdominal symptoms and gastric body redness in Linked Color Imaging in patients without Helicobacter pylori infection
    Tsutomu Takeda, Daisuke Asaoka, Hisanori Utsunomiya, Shotaro Oki, Nobuyuki Suzuki, Daiki Abe, Atsushi Ikeda, Noboru Yatagai, Yoichi Akazawa, Kohei Matsumoto, Kumiko Ueda, Hiroya Ueyama, Kenshi Matsumoto, Mariko Hojo, Shuko Nojiri, Akihito Nagahara
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  • Diagnosis of Helicobacter pylori Infection and Recent Advances
    Hang Yang, Bing Hu
    Diagnostics.2021; 11(8): 1305.     CrossRef
  • Clinical Applications of Linked Color Imaging and Blue Laser/Light Imaging in the Screening, Diagnosis, and Treatment of Superficial Colorectal Tumors
    Taku Sakamoto, Hourin Cho, Yutaka Saito
    Clinical Endoscopy.2021; 54(4): 488.     CrossRef
  • Application of Current Image-Enhanced Endoscopy in Gastric Diseases
    Wansik Lee
    Clinical Endoscopy.2021; 54(4): 477.     CrossRef
  • Linked-color Imaging May Help Improve the Visibility of Superficial Barrett's Esophageal Adenocarcinoma by Increasing the Color Difference
    Masahiro Saito, Tomoyuki Koike, Yuki Ohara, Kenichiro Nakagawa, Takeshi Kanno, Xiaoyi Jin, Waku Hatta, Kaname Uno, Naoki Asano, Akira Imatani, Atsushi Masamune
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  • Potential of automatic diagnosis system with linked color imaging for diagnosis of Helicobacter pylori infection
    Takeshi Yasuda, Tomoyuki Hiroyasu, Satoru Hiwa, Yuto Okada, Sadanari Hayashi, Yuki Nakahata, Yuriko Yasuda, Tatsushi Omatsu, Akihiro Obora, Takao Kojima, Hiroshi Ichikawa, Nobuaki Yagi
    Digestive Endoscopy.2020; 32(3): 373.     CrossRef
  • Linked Color Imaging of Eosinophilic Esophagitis
    Yasuhiko Abe, Yu Sasaki, Takashi Kon, Yoshiyuki Ueno
    Internal Medicine.2020; 59(12): 1573.     CrossRef
  • Optical enhancement imaging versus acetic acid for detecting gastric intestinal metaplasia: A randomized, comparative trial
    Rui Ji, Jun Liu, Ming-Ming Zhang, Yue-Yue Li, Xiu-Li Zuo, Xiao Wang, Yan-Qing Li
    Digestive and Liver Disease.2020; 52(6): 651.     CrossRef
  • The Efficacy of Linked Color Imaging in the Endoscopic Diagnosis of Barrett’s Esophagus and Esophageal Adenocarcinoma
    Mamoru Tokunaga, Tomoaki Matsumura, Kentaro Ishikawa, Tatsuya Kaneko, Hirotaka Oura, Tsubasa Ishikawa, Ariki Nagashima, Wataru Shiratori, Kenichiro Okimoto, Naoki Akizue, Daisuke Maruoka, Yuki Ohta, Keiko Saito, Tomoo Nakagawa, Tetsuhiro Chiba, Makoto Ara
    Gastroenterology Research and Practice.2020; 2020: 1.     CrossRef
  • Linked color imaging can improve the visibility of superficial non-ampullary duodenal epithelial tumors
    Kenichiro Okimoto, Daisuke Maruoka, Tomoaki Matsumura, Mamoru Tokunaga, Tatsuya Kaneko, Hirotaka Oura, Naoki Akizue, Yuki Ohta, Keiko Saito, Makoto Arai, Jun Kato, Naoya Kato
    Scientific Reports.2020;[Epub]     CrossRef
  • Endoscopy training in Korea
    Joon Sung Kim, Byung-Wook Kim
    The Korean Journal of Internal Medicine.2019; 34(2): 237.     CrossRef
  • Review: Diagnosis of Helicobacter pylori infection
    Athanasios Makristathis, Alexander M. Hirschl, Francis Mégraud, Emilie Bessède
    Helicobacter.2019;[Epub]     CrossRef
  • New Diagnostic Approach for Esophageal Squamous Cell Neoplasms Using Linked Color Imaging and Blue Laser Imaging Combined with Iodine Staining
    Masato Tsunoda, Yoshimasa Miura, Hiroyuki Osawa, Tsevelnorov Khurelbaatar, Mio Sakaguchi, Hisashi Fukuda, Alan Kawarai Lefor, Hironori Yamamoto
    Clinical Endoscopy.2019; 52(5): 497.     CrossRef
  • Linked color imaging for the detection of early gastrointestinal neoplasms
    Satoshi Shinozaki, Hiroyuki Osawa, Yoshikazu Hayashi, Alan Kawarai Lefor, Hironori Yamamoto
    Therapeutic Advances in Gastroenterology.2019;[Epub]     CrossRef
  • Linked Color Imaging Highlights Flat Early Gastric Cancer
    Kimitoshi Kubo, Noriko Kimura, Soichiro Matsuda, Momoko Tsuda, Mototsugu Kato
    Case Reports in Gastroenterology.2019; 13(3): 532.     CrossRef
  • 10,776 View
  • 556 Download
  • 55 Web of Science
  • 54 Crossref
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Case Reports
Blue Laser Imaging with a Small-Caliber Endoscope Facilitates Detection of Early Gastric Cancer
Haruo Takahashi, Yoshimasa Miura, Hiroyuki Osawa, Takahito Takezawa, Yuji Ino, Masahiro Okada, Alan Kawarai Lefor, Hironori Yamamoto
Clin Endosc 2019;52(3):273-277.   Published online August 14, 2018
DOI: https://doi.org/10.5946/ce.2018.100
AbstractAbstract PDFPubReaderePub
Conventional endoscopy often misses early gastric cancers with minimal red discoloration because they cannot be distinguished from inflamed mucosa. We treated a patient with a small early gastric cancer that was difficult to diagnose using conventional endoscopy. Conventional endoscopy using a small-caliber endoscope showed only subtle red discoloration of the gastric mucosa. However, blue laser imaging showed a clearly discolored area measuring 10 mm in diameter around the red lesion, which was distinct from the surrounding inflamed mucosa. Irregular vessels on the tumor surface (suspicious for early gastric cancer) were observed even with small-caliber endoscopy. Biopsy revealed a well-moderately differentiated tubular adenocarcinoma, and endoscopic submucosal dissection was performed. Histopathological examination of the specimen confirmed well-moderately differentiated adenocarcinoma localized to the mucosa with slight depression compared to the surrounding mucosa, consistent with the endoscopic findings. This small early gastric cancer became clearly visible with blue laser imaging using small-caliber endoscopy.

Citations

Citations to this article as recorded by  
  • Diagnostic performance of blue laser imaging for early detection of gastric cancer: A systematic review and meta-analysis
    Mohammed Rifat Shaik, Andrew Canakis, Nishat Anjum Shaik, Shivanand Bomman, Dushyant Singh Dahiya, Emily Gorman, Mohammad Bilal, Saurabh Chandan
    Indian Journal of Gastroenterology.2024; 43(5): 976.     CrossRef
  • Improved detection of early gastric cancer with linked color imaging using an ultrathin endoscope: a video-based analysis
    Tsevelnorov Khurelbaatar, Yoshimasa Miura, Hiroyuki Osawa, Yuji Ino, Takahito Takezawa, Chihiro Iwashita, Yoshie Nomoto, Masato Tsunoda, Takashi Ueno, Haruo Takahashi, Manabu Nagayama, Hisashi Fukuda, Alan Kawarai Lefor, Hironori Yamamoto
    Endoscopy International Open.2022; 10(05): E644.     CrossRef
  • Current status of the gastric cancer screening program in Korea
    Young-Il Kim, Il Ju Choi
    Journal of the Korean Medical Association.2022; 65(5): 250.     CrossRef
  • Current Evidence for a Paradigm Shift in Gastric Cancer Prevention From Endoscopic Screening toHelicobacter pyloriEradication in Korea
    Young-Il Kim, Il Ju Choi
    Journal of Gastric Cancer.2022; 22(3): 169.     CrossRef
  • Clinical Features of False-Negative Early Gastric Cancers: A Retrospective Study of Endoscopic Submucosal Dissection Cases
    Kohei Oka, Naoto Iwai, Takashi Okuda, Tasuku Hara, Yutaka Inada, Toshifumi Tsuji, Toshiyuki Komaki, Junichi Sakagami, Yuji Naito, Keizo Kagawa, Yoshito Itoh, Fabiana Zingone
    Gastroenterology Research and Practice.2021; 2021: 1.     CrossRef
  • Appropriate Color Enhancement Settings for Blue Laser Imaging Facilitates the Diagnosis of Early Gastric Cancer with High Color Contrast
    Yuji Hiraoka, Yoshimasa Miura, Hiroyuki Osawa, Yoshie Nomoto, Haruo Takahashi, Masato Tsunoda, Manabu Nagayama, Takashi Ueno, Alan Kawarai Lefor, Hironori Yamamoto
    Journal of Gastric Cancer.2021; 21(2): 142.     CrossRef
  • Linked Color Imaging and Blue Laser Imaging for Upper Gastrointestinal Screening
    Hiroyuki Osawa, Yoshimasa Miura, Takahito Takezawa, Yuji Ino, Tsevelnorov Khurelbaatar, Yuichi Sagara, Alan Kawarai Lefor, Hironori Yamamoto
    Clinical Endoscopy.2018; 51(6): 513.     CrossRef
  • 6,026 View
  • 171 Download
  • 9 Web of Science
  • 7 Crossref
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Laser Imaging Facilitates Early Detection of Synchronous Adenocarcinomas in Patients with Barrett’s Esophagus
Chihiro Iwashita, Yoshimasa Miura, Hiroyuki Osawa, Takahito Takezawa, Yuji Ino, Masahiro Okada, Alan K. Lefor, Hironori Yamamoto
Clin Endosc 2017;50(1):81-86.   Published online May 9, 2016
DOI: https://doi.org/10.5946/ce.2016.027
AbstractAbstract PDFPubReaderePub
Barrett’s adenocarcinoma may occur in multiple sites, and recurrence and metachronous lesions are the major problems with endoscopic resection. Therefore, early detection of such lesions is ideal to achieve complete resection and obtain improved survival rates with minimally invasive treatment. Laser imaging systems allow multiple modalities of endoscopic imaging by using white light laser, flexible spectral imaging color enhancement (FICE), blue laser imaging (BLI), and linked color imaging even at a distant view. However, the usefulness of these modalities has not been sufficiently reported regarding Barrett’s adenocarcinoma. Here, we report on a patient with three synchronous lesions followed by one metachronous lesion in a long segment with changes of Barrett’s esophagus, all diagnosed with this new laser endoscopic imaging system and enhanced by using FICE and/or BLI with high contrast compared with the surrounding mucosa. Laser endoscopic imaging may facilitate the detection of malignancies in patients with early Barrett’s adenocarcinoma.

Citations

Citations to this article as recorded by  
  • Validation of simplified classification of magnifying endoscopy for diagnosis of Barrett's dysplasia with blue laser imaging
    Tzu‐Haw Chen, Ro‐Ting Lin, Wen‐Lun Wang, Ching‐Tai Lee, Cheng‐Hao Tseng, Wen‐Hung Hsu, Wei‐Chen Tai, Hsiu‐Po Wang, Chi‐Yang Chang
    Advances in Digestive Medicine.2022; 9(1): 10.     CrossRef
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    Félix Junquera, Sonia Fernández-Ananín, Carmen Balagué
    Cirugía Española.2019; 97(8): 438.     CrossRef
  • Blue Laser Imaging with a Small-Caliber Endoscope Facilitates Detection of Early Gastric Cancer
    Haruo Takahashi, Yoshimasa Miura, Hiroyuki Osawa, Takahito Takezawa, Yuji Ino, Masahiro Okada, Alan Kawarai Lefor, Hironori Yamamoto
    Clinical Endoscopy.2019; 52(3): 273.     CrossRef
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    Félix Junquera, Sonia Fernández-Ananín, Carmen Balagué
    Cirugía Española (English Edition).2019; 97(8): 438.     CrossRef
  • How to get the most out of costly Barrett’s oesophagus surveillance
    Barbara Braden, Evonne Jones-Morris
    Digestive and Liver Disease.2018; 50(9): 871.     CrossRef
  • Linked Color Imaging and Blue Laser Imaging for Upper Gastrointestinal Screening
    Hiroyuki Osawa, Yoshimasa Miura, Takahito Takezawa, Yuji Ino, Tsevelnorov Khurelbaatar, Yuichi Sagara, Alan Kawarai Lefor, Hironori Yamamoto
    Clinical Endoscopy.2018; 51(6): 513.     CrossRef
  • Image assessment of Barrett’s esophagus using the simplified narrow band imaging classification
    Masayuki Kato, Kenichi Goda, Yuichi Shimizu, Akira Dobashi, Masakazu Takahashi, Masahiro Ikegami, Tadakazu Shimoda, Mototsugu Kato, Prateek Sharma
    Journal of Gastroenterology.2017; 52(4): 466.     CrossRef
  • Animal experimental studies using small intestine endoscope
    Jin-Hua Liu, Dan-Yang Liu, Li Wang, Li-Ping Han, Zhe-Yu Qi, Hai-Jun Ren, Yan Feng, Feng-Ming Luan, Liang-Tian Mi, Shu-Mei Shan
    World Journal of Gastroenterology.2017; 23(20): 3684.     CrossRef
  • 9,014 View
  • 180 Download
  • 7 Web of Science
  • 8 Crossref
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Brief Report
Laterally Spreading Tumor of the Rectum Delineated with Linked Color Imaging Technology
Masahiro Okada, Hirotsugu Sakamoto, Takahito Takezawa, Yoshikazu Hayashi, Keijiro Sunada, Alan K. Lefor, Hironori Yamamoto
Clin Endosc 2016;49(2):207-208.   Published online February 12, 2016
DOI: https://doi.org/10.5946/ce.2015.077
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