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11 "Ji Kon Ryu"
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Case Reports
A remnant choledochal cyst after choledochal cyst excision treated with a lumen-apposing metal stent: a case report
Bo Kyung Kim, Jung Won Chun, Sang Hyub Lee, Ji Kon Ryu, Yong-Tae Kim, Woo Hyun Paik
Clin Endosc 2022;55(4):564-569.   Published online January 8, 2020
AbstractAbstract PDFPubReaderePub
A lumen-apposing metal stent (LAMS) is a saddle-shaped stent with large flanges at both ends, thereby preventing stent migration and helping with approximation of the adjacent structures. We report the case of a 25-year-old female with remnant choledochal cyst which was successfully treated with LAMS after initial treatment failure with a plastic stent. Although complete excision of the cyst is the definite treatment of choledochal cysts, endoscopic ultrasonography-guided cystoduodenostomy can be considered in cases wherein surgery is not feasible and dysplasia is not present. LAMS may be preferred to plastic stents for effective resolution of remnant choledochal cyst and prevention of ascending infection.


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  • Hepatic multiple hyperintense cystic lesions: a rare caroli disease
    Mohammed H. Alsharif, Nagi M. Bakhit, Abdulaziz Alarifi, Elbagir M. Nassir, Abair A. Mahdi, Juman M. Almasaad, Abubaker Y. Elamin, Khalid M. Taha
    THE NEW ARMENIAN MEDICAL JOURNAL.2023; (1, 17 (202): 41.     CrossRef
  • Hepatic multiple hyperintense cystic lesions: a rare caroli disease.
    Mohammed H. Alsharif, Nagi.M Bakhit, Abdulaziz Alarifi, Elbagir M. Nassir, Abair A. Mahdi, Juman M. Almasaad, Abubaker.Y. Elamin, Khalid M. Taha
    THE NEW ARMENIAN MEDICAL JOURNAL.2023; (1, 17 (202): 41.     CrossRef
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Duodenal Stricture due to Necrotizing Pancreatitis following Endoscopic Ultrasound-Guided Ethanol Ablation of a Pancreatic Cyst: A Case Report
Jung Won Chun, Sang Hyub Lee, Jin Ho Choi, Woo Hyun Paik, Ji Kon Ryu, Yong-Tae Kim
Clin Endosc 2019;52(5):510-515.   Published online July 4, 2019
AbstractAbstract PDFPubReaderePub
The frequency of incidental detection of pancreatic cystic lesions (PCLs) is increasing because of the frequent use of cross-sectional imaging. The appropriate treatment for PCLs is challenging, and endoscopic ultrasound-guided ablation for PCLs has been reported in several studies. Although the feasibility and efficacy of this therapeutic modality have been shown, the safety issues associated with the procedure are still a concern. We present a case of a 61-year-old man who underwent ultrasound-guided ethanol ablation for PCL and needed repeated endoscopic balloon dilatation for severe duodenal stricture caused by necrotizing pancreatitis after the cyst ablation therapy.


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  • Benign Duodenal Stricture Treated with Surgical Correction and Dietary Therapy in a Golden Retriever
    John C. Rowe, Alice A. Huang, Jin Heo, Nolie K. Parnell, Adam J. Rudinsky
    Case Reports in Veterinary Medicine.2020; 2020: 1.     CrossRef
  • Endoscopic ultrasound-guided injective ablative treatment of pancreatic cystic neoplasms
    Chen Du, Ning-Li Chai, En-Qiang Linghu, Hui-Kai Li, Xiu-Xue Feng
    World Journal of Gastroenterology.2020; 26(23): 3213.     CrossRef
  • 4,596 View
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Focused Review Series: Endoscopic Disinfection in the Era of MERS
Role of Clinical Endoscopy in Emphasizing Endoscope Disinfection
Ji Kon Ryu, Eun Young Kim, Kwang An Kwon, Il Ju Choi, Ki Baik Hahm
Clin Endosc 2015;48(5):351-355.   Published online September 30, 2015
AbstractAbstract PDFPubReaderePub

Based on the unexpected Middle East respiratory syndrome (MERS) outbreak in Korea, it was established that the virus can spread easily, MERS exposure in hospitals carries an extreme risk for infection as well as mortality, and the sharing of information was essential for infection control. Although the incidence of exogenous infections related to contaminated endoscopes is very low, the majority of published outbreaks have been caused by various shortcomings in reprocessing procedures, including insufficient training or awareness. Ever since the inauguration of "Clinical Endoscopy" as an English-language journal of the Korean Society of Gastrointestinal Endoscopy in 2011, it has published several articles on disinfection of the endoscope and its accessories. Many Science Citation Index journals have also emphasized high-level disinfection of the gastrointestinal endoscope. Many papers have been produced specifically, since the outbreak of carbapenem-resistant Enterobacteriaceae in 2013. The recent review papers concluded that quality control is the most important issue among all the aspects of procedural care, including the efficiency of the gastrointestinal endoscopy unit and reprocessing room. Thorough reprocessing of endoscopes using high-level disinfection and sterilization methods may be essential for reducing the risk of infection.


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  • Audit of flexible laryngoscopy use and decontamination using a chlorine dioxide wipe system during COVID-19: Assessing the risk of disease transmission
    Edgardo Abelardo, Gareth Davies, Charlotte Sanders, Jennifer Wallace, Nikolaos Makrygiannis, Antony Howarth
    Infection Prevention in Practice.2022; 4(3): 100220.     CrossRef
  • Laryngoscopy During the COVID-19 Pandemic
    Bo Hae Kim, Yun-Sung Lim
    Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics.2022; 33(3): 160.     CrossRef
  • Endoscopy mitigation strategy with telemedicine and low-cost device use for COVID-19 prevention: A fourth-level Colombian center experience
    José Roberto Jurado, Jorge Hernán Santos Nieto, Jairo Ospina Gaitán, Constanza Garzón Bonilla, Ricardo Villarreal, David Acevedo, Laura Cabrera, Luis Felipe Cabrera, Mauricio Pedraza
    Arab Journal of Gastroenterology.2021; 22(2): 170.     CrossRef
  • The structure and delivery of a novel training course on endoscope reprocessing and standard precautions in the endoscopy unit
    Carmel Malvar, Tiffany Nguyen-Vu, Amandeep Shergill, Yung Ka Chin, Aruna Baniya, Michelle McAnanama, Tonya Kaltenbach, Roy Soetikno
    VideoGIE.2020; 5(5): 176.     CrossRef
  • Flexible Laryngoscopy and COVID‐19
    Anaïs Rameau, VyVy N. Young, Milan R. Amin, Lucian Sulica
    Otolaryngology–Head and Neck Surgery.2020; 162(6): 813.     CrossRef
  • COVID-19 outbreak and endoscopy: Considerations in patients encountered in a foregut surgery practice
    Tanya Olszewski, Andrew D Grubic, Shahin Ayazi, Blair A Jobe
    World Journal of Gastrointestinal Surgery.2020; 12(5): 197.     CrossRef
  • Comparative Study of Microbiological Monitoring Results from Three Types of Sampling Methods after Gastrointestinal Endoscope Reprocessing
    Su Ma, Lili Feng, Ziyi Jiang, Xian Gao, Xisha Long, Shaonan Zhuang, Wenxia Ding, Taiyao Chen, Zhaoshen Li, Lingjuan Zhang, Huijun Xi, Hongzhi Zhang
    BioMed Research International.2019; 2019: 1.     CrossRef
  • 6,864 View
  • 97 Download
  • 6 Web of Science
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Clinical Endoscopy as One of Leading Journals in Gastrointestinal Endoscopy
Kwang An Kwon, Il Ju Choi, Ji Kon Ryu, Eun Young Kim, Ki Baik Hahm
Clin Endosc 2015;48(4):312-316.   Published online July 24, 2015
AbstractAbstract PDFPubReaderePub

Clinical Endoscopy (CE) is an official open access journal published bimonthly by the Korean Society of Gastrointestinal Endoscopy (KSGE, and is listed on PMC, PubMed and SCOPUS. The KSGE was established on August 14, 1976, and the journal of the KSGE was published in Korean for the first time in November 1981. The journal was then titled the "Korean Journal of Gastrointestinal Endoscopy" and was published in Korean untill the July 2011 issue. The journal was published in English from the September 2011 issue under the official title of CE. In this review, the past and present of CE are discussed and future perspectives are introduced. In addition, the efforts to progress to a "first come, first served journal" in the field of gastrointestinal endoscopy and to be indexed in Science Citation Index will be described.

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Highlights from the 52nd Seminar of the Korean Society of Gastrointestinal Endoscopy
Eun Young Kim, Il Ju Choi, Kwang An Kwon, Ji Kon Ryu, Ki Baik Hahm
Clin Endosc 2015;48(4):269-278.   Published online July 24, 2015
AbstractAbstract PDFPubReaderePub

In this July issue of Clinical Endoscopy, state-of-the-art articles selected from the lectures delivered during the 52nd Seminar of the Korean Society of Gastrointestinal Endoscopy (KSGE) on March 29, 2015 are covered, focusing on highlighted educational contents relevant to either diagnostic or therapeutic gastrointestinal (GI) endoscopy. Our society, the KSGE, has continued to host this opportunity for annual seminars twice a year over the last 26 years and it has become a large-scale prestigious seminar accommodating over 4,000 participants. Definitely, the KSGE seminar is considered as one of the premier state-of-the-art seminars dealing with GI endoscopy, appealing to both the beginner and advanced experts. Lectures, live demonstrations, hands-on courses, as well as an editor school, which was an important consensus meeting on how to upgrade our society journal, Clinical Endoscopy, to a Science Citation Index (Expanded) designation were included in this seminar. The 52nd KSGE seminar consisted of more than 20 sessions, including special lectures, concurrent sessions for GI endoscopy nurses, and sessions exploring new technologies. This is a very special omnibus article to highlight the core contents divided into four sessions: upper GI tract, lower GI tract, pancreatobiliary system, and other specialized sessions.

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Diagnosis of Immunoglobulin G4-Related Sclerosing Cholangitis
Ji Kon Ryu
Clin Endosc 2014;47(6):476-477.   Published online November 30, 2014
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International Digestive Endoscopy Network 2014: Turnpike to the Future
Eun Young Kim, Kwang An Kwon, Il Ju Choi, Ji Kon Ryu, Ki Baik Hahm
Clin Endosc 2014;47(5):371-382.   Published online September 30, 2014
AbstractAbstract PDFSupplementary MaterialPubReaderePub

Social networks are useful in the study of relationships between individuals or entire populations, and the ties through which any given social unit connects. Those represent the convergence of the various social contacts of that unit. Consequently, the term "social networking service" (SNS) became extremely familiar. Similar to familiar SNSs, International Digestive Endoscopy Network (IDEN) 2014 was based on an international network composed of an impressive 2-day scientific program dealing with a variety of topics for gastrointestinal (GI) diseases, which connects physicians and researchers from all over the world. The scientific programs included live endoscopic demonstrations and provided cutting-edge information and practice tips as well as the latest advances concerning upper GI, lower GI, and pancreatobiliary endoscopy. IDEN 2014 featured American Society for Gastrointestinal Endoscopy-Korean Society of Gastrointestinal Endoscopy (ASGE-KSGE)-joint sessions prepared through cooperation between ASGE and KSGE. Furthermore, IDEN 2014 provided a special program for young scientists called the 'Asian Young Endoscopist Award Forum' to foster networks, with many young endoscopists from Asian countries taking an active interest and participation.


Citations to this article as recorded by  
  • Survey results from the participants of the Asian Young Endoscopist Award and International Young Endoscopist Award as part of the International Digestive Endoscopy Network
    Tae-Geun Gweon, Sang Hoon Kim, Ki Bae Bang, Seung Wook Hong, Won Jae Yoon, Sung Noh Hong, Jae Jun Park, Jimin Han, Ja Seol Koo, Oh Young Lee
    Clinical Endoscopy.2023; 56(5): 674.     CrossRef
  • Interaction between RAD51 and MCM complex is essential for RAD51 foci forming in colon cancer HCT116 cells
    Jun Huang, Hong-Liang Luo, Hua Pan, Cheng Qiu, Teng-Fei Hao, Zheng-Ming Zhu
    Biochemistry (Moscow).2018; 83(1): 69.     CrossRef
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Highlights from the 50th Seminar of the Korean Society of Gastrointestinal Endoscopy
Eun Young Kim, Il Ju Choi, Kwang An Kwon, Ji Kon Ryu, Seok Ho Dong, Ki Baik Hahm
Clin Endosc 2014;47(4):285-294.   Published online July 28, 2014
AbstractAbstract PDFPubReaderePub

The July issue of Clinical Endoscopy deals with selected articles covering the state-of-the-art lectures delivered during the 50th seminar of the Korean Society of Gastrointestinal Endoscopy (KSGE) on March 30, 2014, highlighting educational contents pertaining to either diagnostic or therapeutic gastrointestinal (GI) endoscopy, which contain fundamental and essential points in GI endoscopy. KSGE is very proud of its seminar, which has been presented twice a year for the last 25 years, and hosted more than 3,500 participants at the current meeting. KSGE seminar is positioned as one of premier state-of-the-art seminars for endoscopy, covering topics for novice endoscopists and advanced experts, as well as diagnostic and therapeutic endoscopy. The 50th KSGE seminar consists of more than 20 sessions, including a single special lecture, concurrent sessions for GI endoscopy nurses, and sessions exploring new technologies. Nine articles were selected from these prestigious lectures, and invited for publication in this special issue. This introductory review, prepared by the editors of Clinical Endoscopy, highlights core contents divided into four sessions: upper GI tract, lower GI tract, pancreatobiliary system, and other specialized topic sessions, including live demonstrations and hands-on courses.


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  • Cost of Endoscopic Submucosal Dissection Versus Endoscopic Piecemeal Mucosal Resection in the Colorectum
    Nam Seok Ham, Jeongseok Kim, Eun Hye Oh, Sung Wook Hwang, Sang Hyoung Park, Dong-Hoon Yang, Byong Duk Ye, Seung-Jae Myung, Suk-Kyun Yang, Jeong-Sik Byeon
    Digestive Diseases and Sciences.2020; 65(4): 969.     CrossRef
  • Nationwide estimate of emergency department visits in the United States related to caustic ingestion
    Yiting Li, James Langworthy, Lan Xu, Haifeng Cai, Yingwei Yang, Yuanyuan Lu, Sara L Wallach, Frank K Friedenberg
    Diseases of the Esophagus.2020;[Epub]     CrossRef
  • Upper GIS Endoscopy Indications of Patients Consulted at Internal Medicine Outpatient Clinics and Data Obtained According to These Indications
    Muhammed Tunc, Banu Boyuk, Osman Mavis
    Open Journal of Gastroenterology.2016; 06(04): 111.     CrossRef
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Metal Stenting in Benign Biliary Strictures
Ji Kon Ryu
Clin Endosc 2014;47(1):5-6.   Published online January 24, 2014
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Percutaneous Approach for Removal of Difficult Common Bile Duct Stones
Ji Kon Ryu
Clin Endosc 2013;46(1):3-4.   Published online January 31, 2013


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  • Biliäre Interventionen
    Tatjana Dell, Carsten Meyer
    Die Radiologie.2023; 63(1): 30.     CrossRef
  • Percutaneous transhepatic holmium laser lithotripsy for cholelithiasis and balloon dilation for common bile duct stone removal
    Nguyen Thai Binh, Tran Quoc Hoa, Thieu-Thi Tra My, Nguyen Minh Duc
    Radiology Case Reports.2022; 17(7): 2506.     CrossRef
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Case Report
Pancreatic Pseudocyst after Endoscopic Ultrasound-Guided Fine Needle Aspiration of Pancreatic Mass
Kwang Hyun Chung, Ji Kon Ryu, Hong Sang Oh, Ji Yeon Seo, Eunhyo Jin, Dong Hyeon Lee, Yong-Tae Kim, Yong Bum Yoon
Clin Endosc 2012;45(4):431-434.   Published online November 30, 2012
AbstractAbstract PDFPubReaderePub

Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) is well known as a safe diagnostic procedure. We report the first case of pancreatic pseudocyst after EUS-FNA of the pancreatic body mass. A 60-year-old male underwent EUS-FNA for incidentally detected pancreatic solid mass which was suspected as neuroendocrine tumor. Two weeks later, the patient visited emergency room with acute abdominal pain and right upper quadrant tenderness; leukocytosis and elevated C-reactive protein, amylase, and lipase levels were noted. Computed tomography discovered newly developed 11.5×9.5 cm sized cystic mass communicating with the main pancreatic duct. Cyst fluid analysis revealed amylase level of 3,423 U/L and fluid culture isolated Streptococcus parasanguinis. The cystic mass corresponds with pancreatic pseudocyst. FNA induced main pancreatic duct injury and fluid leakage may cause it. Endoscopists who perform EUS-FNA must remember that pancreatic main duct injury can occur as one of severe complications and that it could be treated successfully with endoscopic internal drainage.


Citations to this article as recorded by  
  • Pancreatic Pseudocyst after Fully Covered Self-expandable Metallic Stent Placement: A Case Report
    Mitsuhito Koizumi, Sho Ishikawa, Kaori Marui, Masahito Kokubu, Yusuke Okujima, Yuki Numata, Yoshiki Imamura, Teru Kumagi, Yoichi Hiasa
    Internal Medicine.2024;[Epub]     CrossRef
  • Needle tract seeding and abscess associated with pancreatic fistula after endoscopic ultrasound-guided fine-needle aspiration
    Takeshi Okamoto, Kenji Nakamura, Ayaka Takasu, Toshimi Kaido, Katsuyuki Fukuda
    Clinical Journal of Gastroenterology.2020; 13(6): 1322.     CrossRef
  • Peripancreatic Fluid Collection Complicated by Endoscopic Ultrasound-Guided Fine-Needle Aspiration
    Tsuyoshi Suda, Kazuya Kitamura, Shuichi Kaneko
    ACG Case Reports Journal.2020; 7(7): e00432.     CrossRef
  • Early pancreatic cancer — The role of endoscopic ultrasound with or without tissue acquisition in diagnosis and staging
    Pedro Moutinho-Ribeiro, Julio Iglesias-Garcia, Rui Gaspar, Guilherme Macedo
    Digestive and Liver Disease.2019; 51(1): 4.     CrossRef
  • Endoscopic ultrasonography guided-fine needle aspiration for the diagnosis of solid pancreaticobiliary lesions: Clinical aspects to improve the diagnosis
    Hiroyuki Matsubayashi
    World Journal of Gastroenterology.2016; 22(2): 628.     CrossRef
  • A Patient with a Wedge-shaped Pulmonary Lesion Associated with Streptococcus parasanguinis
    Hiroya MIYAMOTO, Harumi GOMI, Haruhiko ISHIOKA, taijiro SHIROKAWA
    Kansenshogaku Zasshi.2016; 90(3): 316.     CrossRef
  • Immunodepletion Plasma Proteomics by TripleTOF 5600 and Orbitrap Elite/LTQ-Orbitrap Velos/Q Exactive Mass Spectrometers
    Kelly A. Jones, Phillip D. Kim, Bhavinkumar B. Patel, Steven G. Kelsen, Alan Braverman, Derrick J. Swinton, Philip R. Gafken, Lisa A. Jones, William S. Lane, John M. Neveu, Hon-Chiu E. Leung, Scott A. Shaffer, John D. Leszyk, Bruce A. Stanley, Todd E. Fox
    Journal of Proteome Research.2013; 12(10): 4351.     CrossRef
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