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26 "Ki Baik Hahm"
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Case Report
Double-Scope Peroral Endoscopic Myotomy (POEM) for Esophageal Achalasia: The First Trial of a New Double-Scope POEM
Hee Jin Hong, Ga Won Song, Weon Jin Ko, Won Hee Kim, Ki Baik Hahm, Sung Pyo Hong, Joo Young Cho
Clin Endosc 2016;49(4):383-386.   Published online March 15, 2016
AbstractAbstract PDFPubReaderePub
With the accumulation of clinical trials demonstrating its efficacy and safety, peroral endoscopic myotomy (POEM) has emerged as a less invasive treatment option for esophageal achalasia compared with laparoscopic Heller myotomy. However, the difficulty in determining the exact extent of myotomy, a critical factor associated with the success and safety of the procedure, remains a limitation. Although the various endoscopic landmarks and ancillary techniques have been applied, none of these has been proven sufficient. As a solution for this limitation, the double-scope POEM technique with a second endoscope to assure the exact length of the submucosal tunnel has been applied since 2014. Before double-scope POEM was introduced, the second endoscope was applied only to confirm the accuracy of the procedure. In the present study, we performed double-scope POEM in the treatment of esophageal achalasia through a novel procedure of simultaneous application of the second endoscope to assist in the conventional POEM procedure.


Citations to this article as recorded by  
  • Peroral Endoscopic Myotomy (POEM) in Children: A State of the Art Review
    Ali A. Mencin, Amrita Sethi, Monique T. Barakat, Diana G. Lerner
    Journal of Pediatric Gastroenterology & Nutrition.2022; 75(3): 231.     CrossRef
  • Per-oral endoscopic myotomy (POEM) for a sigmoid type of achalasia: short-term outcomes and changes in the esophageal angle
    Shota Maruyama, Yusuke Taniyama, Tadashi Sakurai, Makoto Hikage, Chiaki Sato, Kai Takaya, Takuro Konno, Takeshi Naitoh, Michiaki Unno, Takashi Kamei
    Surgical Endoscopy.2020; 34(9): 4124.     CrossRef
  • Characteristics of a Subset of Achalasia With Normal Integrated Relaxation Pressure
    Eunju Kim, In Kyung Yoo, Dong Keon Yon, Joo Young Cho, Sung Pyo Hong
    Journal of Neurogastroenterology and Motility.2020; 26(2): 274.     CrossRef
  • Feasibility of using an led-probe in third-space endoscopy: a clinical study
    Oscar Víctor Hernández Mondragón, Raúl Zamarripa Mottú, Omar Solórzano Pineda, Raúl Alberto Gutierrez Aguilar, Luís Fernando García Contreras
    BMC Gastroenterology.2020;[Epub]     CrossRef
  • 2007–2019: a “Third”-Space Odyssey in the Endoscopic Management of Gastrointestinal Tract Diseases
    Anastassios C. Manolakis, Haruhiro Inoue, Akiko Ueno, Yuto Shimamura
    Current Treatment Options in Gastroenterology.2019; 17(2): 202.     CrossRef
  • Treatment of Achalasia with Per-Oral Endoscopic Myotomy: Analysis of 50 Consecutive Patients
    Erica D. Kane, David J. Desilets, Donna Wilson, Marc Leduc, Vikram Budhraja, John R. Romanelli
    Journal of Laparoendoscopic & Advanced Surgical Techniques.2018; 28(5): 514.     CrossRef
  • Two penetrating vessels as a novel indicator of the appropriate distal end of peroral endoscopic myotomy
    Shinwa Tanaka, Fumiaki Kawara, Takashi Toyonaga, Haruhiro Inoue, Robert Bechara, Namiko Hoshi, Hirohumi Abe, Yoshiko Ohara, Tsukasa Ishida, Yoshinori Morita, Eiji Umegaki
    Digestive Endoscopy.2018; 30(2): 206.     CrossRef
  • 7,747 View
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  • 9 Web of Science
  • 7 Crossref
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Original Article
Optimal Methods for the Management of Iatrogenic Colonoscopic Perforation
Dae Kyu Shin, Sun Young Shin, Chi Young Park, Sun Mi Jin, Yang Hyun Cho, Won Hee Kim, Chang-Il Kwon, Kwang Hyun Ko, Ki Baik Hahm, Pil Won Park, Jong Woo Kim, Sung Pyo Hong
Clin Endosc 2016;49(3):282-288.   Published online February 18, 2016
AbstractAbstract PDFPubReaderePub
/Aims: Colonoscopic perforations have been managed with exploratory laparotomy, and have resulted in some morbidity and mortality. Recently, laparoscopic surgery is commonly performed for this purpose. The aim of this study was to compare the outcomes of several management strategies for iatrogenic colonoscopic perforations.
We retrospectively reviewed the medical records of patients who had been treated for colonoscopic perforation between January 2004 and April 2013 at CHA Bundang Medical Center in Korea.
A total of 41 patients with colonoscopic perforation were enrolled. Twenty patients underwent conservative management with a success rate of 90%. Surgical management was performed in 23 patients including two patients who were converted to surgical management after the failure of the initial conservative management. Among 14 patients who underwent surgery at 8 hours after the perforation, there was no considerable difference in adverse outcomes between the laparotomy group and the laparoscopic surgery group. The medical costs and claim rate were 1.45 and 1.87 times greater in the exploratory laparotomy group, respectively.
Conservative management of colonoscopic perforation could be an option for patients without overt symptoms of peritonitis or with a small defect size. If surgical management is required, laparoscopic surgery may be considered as the initial procedure even with a delayed diagnosis.


Citations to this article as recorded by  
  • Surgical repair of endoscopy-induced colonic perforations: a case-matched study of short-term morbidity and mortality
    Fady DANIEL, Suha JABAK, Mohammad HOSNI, Hani TAMIM, Aurelie MAILHAC, Ayman ALRAZIM, Noura AL-ALI, Robert CHURCH, Mohammad KHALIFE, Shafik SIDANI, Faek JAMALI
    Minerva Surgery.2024;[Epub]     CrossRef
  • Laparoscopic versus open surgery for colonoscopic perforation: A systematic review and meta-analysis
    Wu Zhong, Chuanyuan Liu, Chuanfa Fang, Lei Zhang, Xianping He, Weiquan Zhu, Xueyun Guan
    Medicine.2023; 102(24): e34057.     CrossRef
  • Elastography for Pediatric Chronic Liver Disease
    Giovanna Ferraioli, Richard G. Barr, Jonathan R. Dillman
    Journal of Ultrasound in Medicine.2021; 40(5): 909.     CrossRef
  • Clinical outcomes of laparoscopic versus open surgery for repairing colonoscopic perforation: a multicenter study
    Jae Seok Lee, Jeong Yeon Kim, Byung Mo Kang, Sang Nam Yoon, Jun Ho Park, Bo Young Oh, Jong Wan Kim
    Surgery Today.2021; 51(2): 285.     CrossRef
  • The analysis of outcomes of surgical management for colonoscopic perforations: A 16-years experiences at a single institution
    Dae Ro Lim, Jung Kul Kuk, Taehyung Kim, Eung Jin Shin
    Asian Journal of Surgery.2020; 43(5): 577.     CrossRef
  • Multicenter retrospective evaluation of ileocecocolic perforations associated with diagnostic lower gastrointestinal endoscopy in dogs and cats
    Vanessa L. Woolhead, Jacqueline C. Whittemore, Sarah A. Stewart
    Journal of Veterinary Internal Medicine.2020; 34(2): 684.     CrossRef
  • Endoscopic Management of the Ascending Colon Perforation Secondary to a Rare-Earth Magnets Ingestion in a Pediatric Patient
    Sandra Mabel Camacho-Gomez, James Meredith Noel, Robert Adam Noel
    ACG Case Reports Journal.2020; 7(8): e00436.     CrossRef
  • Pseudo‐obstruction But a Real Perforation

    AORN Journal.2019; 109(1): 142.     CrossRef
  • Treatment of colonoscopic perforation: outcomes from a major single tertiary institution
    Carolyn R. Chew, Justin M. C. Yeung, Ian G. Faragher
    ANZ Journal of Surgery.2019; 89(5): 546.     CrossRef
  • Management of colonoscopic perforations: A systematic review
    Alexander T. Hawkins, Kenneth W. Sharp, Molly M. Ford, Roberta L. Muldoon, M. Benjamin Hopkins, Timothy M. Geiger
    The American Journal of Surgery.2018; 215(4): 712.     CrossRef
  • 2017 WSES guidelines for the management of iatrogenic colonoscopy perforation
    Nicola de’Angelis, Salomone Di Saverio, Osvaldo Chiara, Massimo Sartelli, Aleix Martínez-Pérez, Franca Patrizi, Dieter G. Weber, Luca Ansaloni, Walter Biffl, Offir Ben-Ishay, Miklosh Bala, Francesco Brunetti, Federica Gaiani, Solafah Abdalla, Aurelien Ami
    World Journal of Emergency Surgery.2018;[Epub]     CrossRef
  • Management Outcomes of Colonoscopic Perforations Are Affected by the General Condition of the Patients
    Jae Ho Park, Kyung Jong Kim
    Annals of Coloproctology.2018; 34(1): 16.     CrossRef
  • Abdominal Sepsis: An Update
    Mircea Gabriel Mureșan, Ioan Alexandru Balmoș, Iudita Badea, Ario Santini
    The Journal of Critical Care Medicine.2018; 4(4): 120.     CrossRef
  • Laparoscopic vs. open surgery for the treatment of iatrogenic colonoscopic perforations: a systematic review and meta-analysis
    Aleix Martínez-Pérez, Nicola de’Angelis, Francesco Brunetti, Yann Le Baleur, Carmen Payá-Llorente, Riccardo Memeo, Federica Gaiani, Marco Manfredi, Paschalis Gavriilidis, Giorgio Nervi, Federico Coccolini, Aurelien Amiot, Iradj Sobhani, Fausto Catena, Gia
    World Journal of Emergency Surgery.2017;[Epub]     CrossRef
  • Urinary Bladder Injury During Colonoscopy Without Colon Perforation
    Jung Wook Suh, Jun Won Min, Hwan Namgung, Dong-Guk Park
    Annals of Coloproctology.2017; 33(3): 112.     CrossRef
  • The management of intra-abdominal infections from a global perspective: 2017 WSES guidelines for management of intra-abdominal infections
    Massimo Sartelli, Alain Chichom-Mefire, Francesco M. Labricciosa, Timothy Hardcastle, Fikri M. Abu-Zidan, Abdulrashid K. Adesunkanmi, Luca Ansaloni, Miklosh Bala, Zsolt J. Balogh, Marcelo A. Beltrán, Offir Ben-Ishay, Walter L. Biffl, Arianna Birindelli, M
    World Journal of Emergency Surgery.2017;[Epub]     CrossRef
  • How Should We Manage Iatrogenic Perforation Caused by Colonoscopy?
    Eun Sun Kim
    Clinical Endoscopy.2016; 49(3): 214.     CrossRef
  • 8,258 View
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  • 20 Web of Science
  • 17 Crossref
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Case Report
Communicating Tubular Esophageal Duplication Combined with Bronchoesophageal Fistula
Ju Hwan Kim, Chang-Il Kwon, Ji Young Rho, Sang Woo Han, Ji Su Kim, Suk Pyo Shin, Ga Won Song, Ki Baik Hahm
Clin Endosc 2016;49(1):81-85.   Published online January 28, 2016
AbstractAbstract PDFPubReaderePub
Esophageal duplication (ED) is rarely diagnosed in adults and is usually asymptomatic. Especially, ED that is connected to the esophagus through a tubular communication and combined with bronchoesophageal fistula (BEF) is extremely rare and has never been reported in the English literature. This condition is very difficult to diagnose. Although some combinations of several modalities, such as upper gastrointestinal endoscopy, esophagography, computed tomography, magnetic resonance imaging, and endoscopic ultrasonography, can be used for the diagnosis, the results might be inconclusive. Here, we report on a patient with communicating tubular ED that was incidentally diagnosed on the basis of endoscopy and esophagography during the postoperational evaluation of BEF.


Citations to this article as recorded by  
  • Reconstruction of Adult Tubular Esophageal Duplication with Supraclavicular Artery Island Flap: A Rare Case Presentation
    Xin Yang, Zheng Jiang, Jun Liu, Fei Chen
    Ear, Nose & Throat Journal.2023; : 014556132311734.     CrossRef
  • Tubular Duplication of the Esophagus in a Newborn, Treated by Thoracoscopy
    Igor Khvorostov, Alexey Gusev, Abdumanap Alkhasov, Sergey Yatsyk, Elena D'yakonova
    European Journal of Pediatric Surgery Reports.2022; 10(01): e49.     CrossRef
  • Endoscopic septum division of tubular esophageal duplication in two children and systematic review
    Rahşan Özcan, Ali Ekber Hakalmaz, Şenol Emre, Ayşe Karagöz, Çiğdem Tütüncü, Sebuh Kuruğoğlu, Gonca Topuzlu Tekant
    Pediatric Surgery International.2022; 38(11): 1525.     CrossRef
  • Endoscopic management of a tubular esophageal duplication in a young adult
    Pietro Familiari, Rosario Landi, Francesca Mangiola, Camilla Vittoria Vita, Guido Costamagna
    VideoGIE.2020; 5(10): 455.     CrossRef
  • Esophageal duplication and congenital esophageal stenosis
    A. Francois Trappey, Shinjiro Hirose
    Seminars in Pediatric Surgery.2017; 26(2): 78.     CrossRef
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  • 4 Web of Science
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Image Quality Analysis of Various Gastrointestinal Endoscopes: Why Image Quality Is a Prerequisite for Proper Diagnostic and Therapeutic Endoscopy
Weon Jin Ko, Pyeong An, Kwang Hyun Ko, Ki Baik Hahm, Sung Pyo Hong, Joo Young Cho
Clin Endosc 2015;48(5):374-379.   Published online September 30, 2015
AbstractAbstract PDFPubReaderePub

Arising from human curiosity in terms of the desire to look within the human body, endoscopy has undergone significant advances in modern medicine. Direct visualization of the gastrointestinal (GI) tract by traditional endoscopy was first introduced over 50 years ago, after which fairly rapid advancement from rigid esophagogastric scopes to flexible scopes and high definition videoscopes has occurred. In an effort towards early detection of precancerous lesions in the GI tract, several high-technology imaging scopes have been developed, including narrow band imaging, autofocus imaging, magnified endoscopy, and confocal microendoscopy. However, these modern developments have resulted in fundamental imaging technology being skewed towards red-green-blue and this technology has obscured the advantages of other endoscope techniques. In this review article, we have described the importance of image quality analysis using a survey to consider the diversity of endoscope system selection in order to better achieve diagnostic and therapeutic goals. The ultimate aims can be achieved through the adoption of modern endoscopy systems that obtain high image quality.


Citations to this article as recorded by  
  • Colonoscopy Quality, Innovation, and the Assessment of New Technology
    Sanjay R.V. Gadi, Sriya S. Muralidharan, Jeremy R. Glissen Brown
    Techniques and Innovations in Gastrointestinal Endoscopy.2024; 26(2): 177.     CrossRef
  • Endoscopy image enhancement method by generalized imaging defect models based adversarial training
    Wenjie Li, Jingfan Fan, Yating Li, Pengcheng Hao, Yucong Lin, Tianyu Fu, Danni Ai, Hong Song, Jian Yang
    Physics in Medicine & Biology.2022; 67(9): 095016.     CrossRef
  • Reduced detection rate of artificial intelligence in images obtained from untrained endoscope models and improvement using domain adaptation algorithm
    Junseok Park, Youngbae Hwang, Hyun Gun Kim, Joon Seong Lee, Jin-Oh Kim, Tae Hee Lee, Seong Ran Jeon, Su Jin Hong, Bong Min Ko, Seokmin Kim
    Frontiers in Medicine.2022;[Epub]     CrossRef
  • Diagnosis of Early Gastric Cancer Using Image-enhanced Endoscopy
    Weon Jin Ko
    The Korean Journal of Medicine.2017; 92(3): 264.     CrossRef
  • 8,151 View
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  • 5 Web of Science
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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.


Citations to this article as recorded by  
  • 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
  • 6,793 View
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  • 6 Web of Science
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Case Report
Extragastroesophageal Malignancy-Associated Secondary Achalasia: A Rare Association of Pancreatic Cancer Rendering Alarm Manifestation
Hong Min Kim, Ji Min Chu, Won Hee Kim, Sung Pyo Hong, Ki Baik Hahm, Kwang Hyun Ko
Clin Endosc 2015;48(4):328-331.   Published online July 24, 2015
AbstractAbstract PDFPubReaderePub

Secondary achalasia or pseudoachalasia is a rare esophageal motor abnormality, which mimics primary achalasia; it is not easily distinguishable from idiopathic achalasia by manometry, radiological examination, or endoscopy. Although the majority of reported pseudoachalasia cases are associated with neoplasms at or near the esophagogastric (EG) junction, other neoplastic processes or even chronic illnesses such as rheumatoid arthritis can lead to the development of pseudoachalasia, for example, mediastinal masses, gastrointestinal (GI) tumors of the liver and biliary tract, and non-GI malignancies. Therefore, even if a patient presents with the typical findings of achalasia, we should be alert to the possibility of other GI malignancies besides EG tumors. For instance, pancreatic cancer was found in the case reported here; only four such cases have been reported in the literature. A 47-year-old man was admitted to our center with a 3-month history of dysphagia. His endoscopic and esophageal manometric findings were compatible with primary achalasia. However, unresponsiveness to diverse conventional achalasia treatments led us to suspect secondary achalasia. An active search led to a diagnosis of pancreatic mucinous cystadenocarcinoma invading the gastric fundus and EG junction. This rare case of pseudoachalasia caused by pancreatic carcinoma emphasizes the need for suspecting GI malignancies other than EG tumors in patients refractory to conventional achalasia treatment.


Citations to this article as recorded by  
  • Delayed Presentation of Malignancy-Associated Pseudoachalasia of the Gastric Cardia
    Clive J Miranda, Farhan Azad, Ross R Moyer, Sasikanth N Ravi, Gina M Sparacino
    Cureus.2024;[Epub]     CrossRef
  • Is it necessary to perform a morphological assessment for an esophageal motility disorder? A retrospective descriptive study
    Sofya Latrache, Chloe Melchior, Charlotte Desprez, Sabrina Sidali, Julien Recton, Olivier Touchais, Elise van der Eecken, Fabien Wuestenberghs, Cloe Charpentier, Anne Marie Leroi, Guillaume Gourcerol
    Clinics and Research in Hepatology and Gastroenterology.2021; 45(6): 101633.     CrossRef
  • When a Late Metastasis Is Hard to Swallow
    Catarina Negrão, Rita Sismeiro, Margarida Monteiro, Filipa G Pereira, Marta Jonet
    Cureus.2021;[Epub]     CrossRef
  • Development of pseudoachalasia following magnetic sphincter augmentation (MSA) with restoration of peristalsis after endoscopic dilation
    Katrin Schwameis, Shahin Ayazi, Ali H. Zaidi, Toshitaka Hoppo, Blair A. Jobe
    Clinical Journal of Gastroenterology.2020; 13(5): 697.     CrossRef
  • Burkitt’s Lymphoma of the Gastrohepatic Omentum: A Malignant Presentation of Pseudoachalasia
    Eric Omar Then, Andrew Ofosu, Prashanth Rawla, Tagore Sunkara, Sriharsha Dadana, Andrea Culliford, Vinaya Gaduputi
    Case Reports in Gastrointestinal Medicine.2019; 2019: 1.     CrossRef
  • 7,137 View
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  • 6 Web of Science
  • 5 Crossref
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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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Molecular Imaging for Theranostics in Gastroenterology: One Stone to Kill Two Birds
Kwang Hyun Ko, Chang-Il Kown, Jong Min Park, Hoo Geun Lee, Na Young Han, Ki Baik Hahm
Clin Endosc 2014;47(5):383-388.   Published online September 30, 2014
AbstractAbstract PDFPubReaderePub

Molecular imaging in gastroenterology has become more feasible with recent advances in imaging technology, molecular genetics, and next-generation biochemistry, in addition to advances in endoscopic imaging techniques including magnified high-resolution endoscopy, narrow band imaging or autofluorescence imaging, flexible spectral imaging color enhancement, and confocal laser endomicroscopy. These developments have the potential to serve as "red flag" techniques enabling the earlier and accurate detection of mucosal abnormalities (such as precancerous lesions) beyond biomarkers, virtual histology of detected lesions, and molecular targeted therapy-the strategy of "one stone to kill two or three birds"; however, more effort should be done to be "blue ocean" benefit. This review deals with the introduction of Raman spectroscopy endoscopy, imaging mass spectroscopy, and nanomolecule development for theranostics. Imaging of molecular pathological changes in cells/tissues/organs might open the "royal road" to either convincing diagnosis of diseases that otherwise would only be detected in the advanced stages or novel therapeutic methods targeted to personalized medicine.


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  • A supramolecular colloidal system based on folate-conjugated β-cyclodextrin polymer and indocyanine green for enhanced tumor-targeted cell imaging in 2D culture and 3D tumor spheroids
    Yuting Wen, Jianfeng Wang, Wei Zheng, Jingling Zhu, Xia Song, Taili Chen, Miao Zhang, Zhiwei Huang, Jun Li
    Journal of Colloid and Interface Science.2024; 667: 259.     CrossRef
  • ESR Position Paper on Imaging Biobanks

    Insights into Imaging.2015; 6(4): 403.     CrossRef
  • International Digestive Endoscopy Network 2014: Turnpike to the Future
    Eun Young Kim, Kwang An Kwon, Il Ju Choi, Ji Kon Ryu, Ki Baik Hahm
    Clinical Endoscopy.2014; 47(5): 371.     CrossRef
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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.


Citations to this article as recorded by  
  • 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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Focused Review Series: Endoscopic and Molecular Imaging of Premalignant GI Lesions, Part II
Recent Advances in Molecular Imaging of Premalignant Gastrointestinal Lesions and Future Application for Early Detection of Barrett Esophagus
Kwang Hyun Ko, Na Young Han, Chang Il Kwon, Hoo Keun Lee, Jong Min Park, Eun Hee Kim, Ki Baik Hahm
Clin Endosc 2014;47(1):7-14.   Published online January 24, 2014
AbstractAbstract PDFPubReaderePub

Recent advances in optical molecular imaging allow identification of morphologic and biochemical changes in tissues associated with gastrointestinal (GI) premalignant lesions earlier and in real-time. This focused review series introduces high-resolution imaging modalities that are being evaluated preclinically and clinically for the detection of early GI cancers, especially Barrett esophagus and esophageal adenocarcinoma. Although narrow band imaging, autofluorescence imaging, and chromoendoscopy are currently applied for this purpose in the clinic, further adoptions of probe-based confocal laser endomicroscopy, high-resolution microendoscopy, optical coherence tomography, and metabolomic imaging, as well as imaging mass spectrometry, will lead to detection at the earliest and will guide predictions of the clinical course in the near future in a manner that is beyond current advancements in optical imaging. In this review article, the readers will be introduced to sufficient information regarding this matter with which to enjoy this new era of high technology and to confront science in the field of molecular medical imaging.


Citations to this article as recorded by  
  • Pivotal Role of Peptides in Gastric Carcinoma: Diagnosis and Therapy
    Sajjad Ahmadpour, Fatemeh Khodadust, Ahmad Hormati, Karim Eivaziatashbeik
    International Journal of Peptide Research and Therapeutics.2021; 27(1): 503.     CrossRef
  • High-resolution proteomics and metabolomics in thyroid cancer: Deciphering novel biomarkers
    Diana Navas-Carrillo, José Manuel Rodriguez, Silvia Montoro-García, Esteban Orenes-Piñero
    Critical Reviews in Clinical Laboratory Sciences.2017; 54(7-8): 446.     CrossRef
  • hERG1 behaves as biomarker of progression to adenocarcinoma in Barrett's esophagus and can be exploited for a novel endoscopic surveillance
    Elena Lastraioli, Tiziano Lottini, Jessica Iorio, Giancarlo Freschi, Marilena Fazi, Claudia Duranti, Laura Carraresi, Luca Messerini, Antonio Taddei, Maria Novella Ringressi, Marianna Salemme, Vincenzo Villanacci, Carla Vindigni, Anna Tomezzoli, Roberta L
    Oncotarget.2016; 7(37): 59535.     CrossRef
  • Imaging Mass Spectrometry in Papillary Thyroid Carcinoma for the Identification and Validation of Biomarker Proteins
    Kyueng-Whan Min, Joo-Young Bang, Kwang Pyo Kim, Wan-Seop Kim, Sang Hwa Lee, Selina Rahman Shanta, Jeong Hwa Lee, Ji Hye Hong, So Dug Lim, Young-Bum Yoo, Chan-Hyun Na
    Journal of Korean Medical Science.2014; 29(7): 934.     CrossRef
  • Molecular Imaging for Theranostics in Gastroenterology: One Stone to Kill Two Birds
    Kwang Hyun Ko, Chang-Il Kown, Jong Min Park, Hoo Geun Lee, Na Young Han, Ki Baik Hahm
    Clinical Endoscopy.2014; 47(5): 383.     CrossRef
  • 6,672 View
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  • 7 Web of Science
  • 5 Crossref
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Rectal Retroflexion during Colonoscopy: A Bridge over Troubled Water
Kwang An Kwon, Ki Baik Hahm
Clin Endosc 2014;47(1):3-4.   Published online January 24, 2014


Citations to this article as recorded by  
  • Inflammatory cloacogenic polyps in children: diagnostic yield of rectal retroflexion during colonoscopy
    You Ie Kim, Jung Yeon Joo, Hye Ran Yang
    BMC Gastroenterology.2022;[Epub]     CrossRef
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    Luigi Manfredi
    Frontiers in Robotics and AI.2021;[Epub]     CrossRef
  • Colite kystique profonde localisée : une cause inhabituelle de formation polypoïde pectinéale
    R. Ennaifer, M. Chiekh, H. Romdhane, N. Bel Hadj, A. Lahmar, H. Ben Nejma
    Acta Endoscopica.2014; 44(6): 385.     CrossRef
  • 5,287 View
  • 82 Download
  • 3 Web of Science
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Focused Review Series: Endoscopic and Molecular Imaging of Premalignant GI Lesions, Part I
Application of Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Imaging Mass Spectrometry (MALDI-TOF IMS) for Premalignant Gastrointestinal Lesions
Kwang Hyun Ko, Chang Il Kwon, So Hye Park, Na Young Han, Hoo Keun Lee, Eun Hee Kim, Ki Baik Hahm
Clin Endosc 2013;46(6):611-619.   Published online November 19, 2013
AbstractAbstract PDFPubReaderePub

Imaging mass spectrometry (IMS) is currently receiving large attention from the mass spectrometric community, although its use is not yet well known in the clinic. As matrix-assisted laser desorption/ionization time-of-flight (MALDI)-IMS can show the biomolecular changes in cells as well as tissues, it can be an ideal tool for biomedical diagnostics as well as the molecular diagnosis of clinical specimens, especially aimed at the prompt detection of premalignant lesions much earlier before overt mass formation, or for obtaining histologic clues from endoscopic biopsy. Besides its use for pathologic diagnosis, MALDI-IMS is also a powerful tool for the detection and localization of drugs, proteins, and lipids in tissue. Measurement of parameters that define and control the implications, challenges, and opportunities associated with the application of IMS to biomedical tissue studies might be feasible through a deep understanding of mass spectrometry. In this focused review series, new insights into the molecular processes relevant to IMS as well as other field applications are introduced.


Citations to this article as recorded by  
  • Oncoproteomics: Trials and tribulations
    Li Zhou, Qifu Li, Jiandong Wang, Canhua Huang, Edouard C. Nice
    PROTEOMICS – Clinical Applications.2016; 10(4): 516.     CrossRef
  • Identifying Diffuse Axonal Injury by Matrix-Assisted Laser Desorption/Ionization Time-of-Flight
    Guanheng Ren, Donghua Zou, Ping Huang, Zhengdong Li, Yu Shao, Kaifei Deng, Yijiu Chen, Ningguo Liu
    American Journal of Forensic Medicine & Pathology.2016; 37(4): 279.     CrossRef
  • Surface-Assisted Laser Desorption/Ionization of Trinitrotoluene on Porous Silicon under Ambient Conditions
    Yury Kuzishchin, Igor Martynov, Dmitriy Dovzhenko, Gennadii Kotkovskii, Alexander Chistyakov
    The Journal of Physical Chemistry C.2015; 119(11): 6382.     CrossRef
  • Imaging Mass Spectrometry in Papillary Thyroid Carcinoma for the Identification and Validation of Biomarker Proteins
    Kyueng-Whan Min, Joo-Young Bang, Kwang Pyo Kim, Wan-Seop Kim, Sang Hwa Lee, Selina Rahman Shanta, Jeong Hwa Lee, Ji Hye Hong, So Dug Lim, Young-Bum Yoo, Chan-Hyun Na
    Journal of Korean Medical Science.2014; 29(7): 934.     CrossRef
  • Recent Advances in Molecular Imaging of Premalignant Gastrointestinal Lesions and Future Application for Early Detection of Barrett Esophagus
    Kwang Hyun Ko, Na Young Han, Chang Il Kwon, Hoo Keun Lee, Jong Min Park, Eun Hee Kim, Ki Baik Hahm
    Clinical Endoscopy.2014; 47(1): 7.     CrossRef
  • Molecular Imaging for Theranostics in Gastroenterology: One Stone to Kill Two Birds
    Kwang Hyun Ko, Chang-Il Kown, Jong Min Park, Hoo Geun Lee, Na Young Han, Ki Baik Hahm
    Clinical Endoscopy.2014; 47(5): 383.     CrossRef
  • Predictive proteomic biomarkers for inflammatory bowel disease-associated cancer: Where are we now in the era of the next generation proteomics?
    Jong-Min Park
    World Journal of Gastroenterology.2014; 20(37): 13466.     CrossRef
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  • 7 Crossref
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Perfecting Video Capsule Endoscopy: Is There Need for Training?
Jae Hee Cheon, Ki Baik Hahm
Clin Endosc 2013;46(6):599-600.   Published online November 19, 2013


Citations to this article as recorded by  
  • Influencia de la experiencia acumulada del explorador en el valor predictivo negativo de la cápsula endoscópica
    Benito Velayos Jiménez, Noelia Alcaide Suárez, Guillermo González Redondo, Luis Fernández Salazar, Rocío Aller de la Fuente, Lourdes del Olmo Martínez, Lourdes Ruiz Rebollo, José Manuel González Hernández
    Gastroenterología y Hepatología.2017; 40(1): 10.     CrossRef
  • Impact of the endoscopist's experience on the negative predictive value of capsule endoscopy
    Benito Velayos Jiménez, Noelia Alcaide Suárez, Guillermo González Redondo, Luis Fernández Salazar, Rocío Aller de la Fuente, Lourdes del Olmo Martínez, Lourdes Ruiz Rebollo, José Manuel González Hernández
    Gastroenterología y Hepatología (English Edition).2017; 40(1): 10.     CrossRef
  • 4,415 View
  • 40 Download
  • 2 Crossref
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Case Report
Gastrointestinal Cancers in a Peutz-Jeghers Syndrome Family: A Case Report
Sang Hee Song, Kun Woo Kim, Won Hee Kim, Chang Il Kwon, Kwang Hyun Ko, Ki Baik Hahm, Pil Won Park, Sung Pyo Hong
Clin Endosc 2013;46(5):572-575.   Published online September 30, 2013
AbstractAbstract PDFPubReaderePub

A 17-year-old man was diagnosed as Peutz-Jeghers syndrome (PJS) because of pigmented lip and multiple gastrointestinal polyps. He had anemia and underwent polypectomy on the duodenum and colon. His maternal family members were patients with PJS. His mother used to be screened with endoscopy to remove large polyps. One and half years later, he underwent jejunal segmental resection due to intussusceptions. He underwent endoscopic polypectomy every 2 to 3 years. When he was 23 years old, high-grade dysplasia was found in colonic polyp and his mother underwent partial pancreatectomy due to intraductal papillary mucinous carcinoma. When he was 27 years old, diffuse gastric polyps on the greater curvature of corpus expanded and grew. Therefore, wide endoscopic polypectomy was done. Histological examination revealed focal intramucosal carcinoma and low-grade dysplasia in hamartomatous polyps. We report cases of cancers occurred in first-degree relatives with PJS.


Citations to this article as recorded by  
  • Familial and hereditary gastric cancer, an overview
    Fátima Carneiro
    Best Practice & Research Clinical Gastroenterology.2022; 58-59: 101800.     CrossRef
  • Small bowel intussusception and concurrent sigmoid polyp with malignant transformation in Peutz–Jeghers syndrome
    Maidah Algarni, Enas Raml, Nora Trabulsi, Mohammed Nassif
    Journal of Surgical Case Reports.2019;[Epub]     CrossRef
  • The first European family with gastric adenocarcinoma and proximal polyposis of the stomach: case report and review of the literature
    Rudolf Repak, Darina Kohoutova, Miroslav Podhola, Stanislav Rejchrt, Marek Minarik, Lucie Benesova, Michal Lesko, Jan Bures
    Gastrointestinal Endoscopy.2016; 84(4): 718.     CrossRef
  • Gastric Hamartomatous Polyps—Review and Update
    Monika Vyas, Xiu Yang, Xuchen Zhang
    Clinical Medicine Insights: Gastroenterology.2016; 9: CGast.S38452.     CrossRef
  • Giant rectal polyp prolapse in an adult patient with the Peutz-Jeghers syndrome
    Ana Delfina Cano-Contreras, Arturo Meixueiro-Daza, Peter Grube-Pagola, Jose Maria Remes-Troche
    BMJ Case Reports.2016; : bcr2016215629.     CrossRef
  • Prevention Strategies for Gastric Cancer: A Global Perspective
    Jin Young Park, Lawrence von Karsa, Rolando Herrero
    Clinical Endoscopy.2014; 47(6): 478.     CrossRef
  • 6,564 View
  • 58 Download
  • 6 Crossref
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Special Issue Articles of IDEN 2013
Functional Self-Expandable Metal Stents in Biliary Obstruction
Chang-Il Kwon, Kwang Hyun Ko, Ki Baik Hahm, Dae Hwan Kang
Clin Endosc 2013;46(5):515-521.   Published online September 30, 2013
AbstractAbstract PDFPubReaderePub

Biliary stents are widely used not only for palliative treatment of malignant biliary obstruction but also for benign biliary diseases. Each plastic stent or self-expandable metal stent (SEMS) has its own advantages, and a proper stent should be selected carefully for individual condition. To compensate and overcome several drawbacks of SEMS, functional self-expandable metal stent (FSEMS) has been developed with much progress so far. This article looks into the outcomes and defects of each stent type for benign biliary stricture and describes newly introduced FSEMSs according to their functional categories.


Citations to this article as recorded by  
  • Anti-fibrotic and anti-stricture effects of biodegradable biliary stents braided with dexamethasone-impregnated sheath/core structured monofilaments
    Ju-Ro Lee, Seung Won Yang, Chang-Il Kwon, Kyu Seok Kim, Se Hwan Park, Myeong Jin Jang, Ga Hee Kim, Min Je Sung, Gwangil Kim, Jun Sik Son, Yoon Ki Joung
    Acta Biomaterialia.2024; 178: 137.     CrossRef
  • CT imaging features of bile duct stent complications
    Nga T. Nguyen, Hasan A. Khan, Kian Abdul-Baki, Woongsoon Choi, Neel K. Shroff, Zahra Akhtar, Peeyush Bhargava
    Clinical Imaging.2023; 103: 109986.     CrossRef
  • Research progress on biliary stents

    Progress in Medical Devices.2023;[Epub]     CrossRef
  • A poly(l‐lactic acid) braided stent with high mechanical properties during in vitro degradation in bile
    Gutian Zhao, Yuan Tian, Rixin Hua, Qingwei Liu, Jie Cheng, Gensheng Wu, Yi Zhang, Zhonghua Ni
    Journal of Applied Polymer Science.2022;[Epub]     CrossRef
  • Preliminary application of brachytherapy with double-strand 125I seeds and biliary drainage for malignant obstructive jaundice
    Zong-Ming Li, De-Chao Jiao, Xin-Wei Han, Qin-Yu Lei, Xue-Liang Zhou, Miao Xu
    Surgical Endoscopy.2022; 36(7): 4932.     CrossRef
  • A viewpoint on material and design considerations for oesophageal stents with extended lifetime
    Caitlin E. Jackson, Liam S. J. Johnson, Dominic A. Williams, Hans-Ulrich Laasch, Derek W. Edwards, Alison G. Harvey
    Journal of Materials Science.2022; 57(1): 3.     CrossRef
  • Emerging trends in biliary stents: a materials and manufacturing perspective
    Saswat Choudhury, Sonal Asthana, Shervanthi Homer-Vanniasinkam, Kaushik Chatterjee
    Biomaterials Science.2022; 10(14): 3716.     CrossRef
  • Antireflux metal stent for biliary obstruction: Any benefits?
    Tsuyoshi Hamada, Yousuke Nakai, Hiroyuki Isayama, Kazuhiko Koike
    Digestive Endoscopy.2021; 33(3): 310.     CrossRef
  • A poly(L‐lactic acid) monofilament with high mechanical properties for application in biodegradable biliary stents
    Yuan Tian, Jing Zhang, Jie Cheng, Gensheng Wu, Yi Zhang, Zhonghua Ni, Gutian Zhao
    Journal of Applied Polymer Science.2021;[Epub]     CrossRef
  • Mechanical properties and degradation process of biliary self‐expandable biodegradable stents
    Chang‐Il Kwon, Jun Sik Son, Kyu Seok Kim, Jong Pil Moon, Sehwan Park, Jinkyung Jeon, Gwangil Kim, Sung Hoon Choi, Kwang Hyun Ko, Seok Jeong, Don Haeng Lee
    Digestive Endoscopy.2021; 33(7): 1158.     CrossRef
  • Biodegradable Stent/Tube for Pancreatic and Biliary Disease
    Chang-Il Kwon
    The Korean Journal of Pancreas and Biliary Tract.2020; 25(1): 18.     CrossRef
  • Drug-eluting Biliary Stent
    Sung Ill Jang, Dong Ki Lee
    The Korean Journal of Pancreas and Biliary Tract.2020; 25(1): 11.     CrossRef
  • Mechanisms and prevention of biliary stent occlusion
    A.V. Shabunin, M.M. Tavobilov, S.S. Lebedev, A.A. Karpov
    Khirurgiya. Zhurnal im. N.I. Pirogova.2020; (5): 70.     CrossRef
  • Endoscopic management of anastomotic stricture after living-donor liver transplantation
    Dong Wook Lee, Jimin Han
    The Korean Journal of Internal Medicine.2019; 34(2): 261.     CrossRef
  • Relief of Obstruction in the Management of Pancreatic Cancer
    Chang-Il Kwon
    The Korean Journal of Gastroenterology.2019; 74(2): 69.     CrossRef
  • The Stent Patency and Migration Rate of Different Shaped Plastic Stents in Bile Flow Phantom Model and In Vivo Animal Bile Duct Dilation Model
    Chang-Il Kwon, Gwangil Kim, Seok Jeong, Don Haeng Lee, Kyoung Ah Kim, Kwang Hyun Ko, Joo Young Cho, Sung Pyo Hong
    Digestive Diseases and Sciences.2017; 62(5): 1246.     CrossRef
  • Current Status of Biliary Metal Stents
    Hyeong Seok Nam, Dae Hwan Kang
    Clinical Endoscopy.2016; 49(2): 124.     CrossRef
  • Mechanisms of Biliary Plastic Stent Occlusion and Efforts at Prevention
    Chang-Il Kwon, Glen A. Lehman
    Clinical Endoscopy.2016; 49(2): 139.     CrossRef
  • Time Sequence Evaluation of Biliary Stent Occlusion by Dissection Analysis of Retrieved Stents
    Chang-Il Kwon, Mark A. Gromski, Stuart Sherman, Jeffrey J. Easler, Ihab I. El Hajj, James Watkins, Evan L. Fogel, Lee McHenry, Glen A. Lehman
    Digestive Diseases and Sciences.2016; 61(8): 2426.     CrossRef
  • Bile Flow Phantom Model and Animal Bile Duct Dilation Model for Evaluating Biliary Plastic Stents with Advanced Hydrophilic Coating
    Chang-Il Kwon, Gwangil Kim, Seok Jeong, Won Seop Lee, Don Haeng Lee, Kwang Hyun Ko, Sung Pyo Hong, Ki Baik Hahm
    Gut and Liver.2016; 10(4): 632.     CrossRef
  • Spontaneous Common Bile Duct Perforation Treated with Placement of Metal Stent
    Dong Hoon Yang, Sang Wook Park, Hyeung Chul Moon, Kyoung Wan You, Seo Joon Eun, Seung Ki Moon, Choel Min Bak, Shin Hyoung Jo
    Korean Journal of Pancreas and Biliary Tract.2016; 21(4): 222.     CrossRef
  • Reintervention for occluded metal stent in malignant bile duct obstruction: A prospective randomized trial comparing covered and uncovered metal stent
    Ban Seok Lee, Ji Kon Ryu, Dong Kee Jang, Kwang Hyun Chung, Won Jae Yoon, Jaihwan Kim, Sang Myung Woo, Sang Hyub Lee, Woo Jin Lee, Yong‐Tae Kim
    Journal of Gastroenterology and Hepatology.2016; 31(11): 1901.     CrossRef
  • Resolution of pneumobilia as a predictor of biliary stent occlusion
    Stephen Thomas, Rina P. Patel, Aytekin Oto
    Clinical Imaging.2015; 39(4): 650.     CrossRef
  • Initial experience with endoscopic retrograde cholangiography and endoscopic retrograde biliary stenting for treatment of extrahepatic bile duct obstruction in dogs
    Allyson Berent, Chick Weisse, Mark Schattner, Hans Gerdes, Peter Chapman, Michael Kochman
    Journal of the American Veterinary Medical Association.2015; 246(4): 436.     CrossRef
  • Recent Advances in Gastrointestinal Stent Development
    Jin-Seok Park, Seok Jeong, Don Haeng Lee
    Clinical Endoscopy.2015; 48(3): 209.     CrossRef
  • Stents with specialized functions: drug-eluting stents and stents with antireflux devices
    Sung Ill Jang, Dong Ki Lee
    Gastrointestinal Intervention.2015; 4(1): 50.     CrossRef
  • Prótesis metálica autoexpandible en el tratamiento de la estenosis del colédoco postrasplante de hígado en un niño. A propósito de un caso
    Gerardo Blanco Rodríguez, Juan Manuel Blancas Valencia, Gustavo Varela Fascinetto, José Alejandro Hernández Plata, Juan Manuel Alcantar Fierros, Gustavo Teyssier Morales, Jaime Penchyna Grub
    Endoscopia.2014; 26(4): 128.     CrossRef
  • Polyurethane membrane with porous surface for controlled drug release in drug eluting stent
    Eun Ha Seo, Kun Na
    Biomaterials Research.2014;[Epub]     CrossRef
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Highlights of International Digestive Endoscopy Network 2013
Kwang An Kwon, Il Ju Choi, Eun Young Kim, Seok Ho Dong, Ki Baik Hahm
Clin Endosc 2013;46(5):425-435.   Published online September 30, 2013
AbstractAbstract PDFPubReaderePub

Rapid advances in the technology of gastrointestinal endoscopy as well as the evolution of science have made it necessary for us to continue update in either various endoscopic techniques or state of art lectures relevant to endoscopy. International Digestive Endoscopy Network (IDEN) 2013 was held in conjunction with Korea-Japan Joint Symposium on Gastrointestinal Endoscopy (KJSGE) during June 8 to 9, 2013 at Seoul, Korea. Two days of impressive scientific program dealt with a wide variety of basic concerns from upper gastrointestine (GI), lower GI, pancreaticobiliary endoscopy to advanced knowledge including endoscopic submucosal dissection forum. IDEN seems to be an excellent opportunity to exchange advanced information of the latest issues on endoscopy with experts from around the world. In this special issue of Clinical Endoscopy, we prepared state of art review articles from contributing authors and the current highlights will skillfully deal with very hot spots of each KJSGE, upper GI, lower GI, and pancreaticobiliary sessions by associated editors of Clinical Endoscopy.

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Harmony of Duet over Solo: Use of Midazolam or Propofol for Sedative Endoscopy in Pediatric Patients
Kwang Hyun Ko, Ki Baik Hahm
Clin Endosc 2013;46(4):311-312.   Published online July 31, 2013


Citations to this article as recorded by  
  • Safety of Non-anesthesiologist Administration of Propofol for Gastrointestinal Endoscopy
    Jun Kyu Lee, Dong Kee Jang, Won Hee Kim, Jung-Wook Kim, Byung Ik Jang
    The Korean Journal of Gastroenterology.2017; 69(1): 55.     CrossRef
  • 4,909 View
  • 36 Download
  • 1 Crossref
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Case Report
Huge Liposarcoma of Esophagus Resected by Endoscopic Submucosal Dissection: Case Report with Video
Inku Yo, Jun-Won Chung, Myung Ho Jeong, Jong Joon Lee, Jungsuk An, Kwang An Kwon, Min Young Rim, Ki Baik Hahm
Clin Endosc 2013;46(3):297-300.   Published online May 31, 2013
AbstractAbstract PDFSupplementary MaterialPubReaderePub

Liposarcoma is one of the most common soft tissue sarcomas occurring in adults, but it rarely occurs in the gastrointestinal tract and more uncommonly in the esophagus. To the best of our knowledge, there are only 19 reported cases of esophageal liposarcoma in the literature published in English language up to the year 2008, and they were all treated by surgical methods. Here, we report a case of primary liposarcoma of the esophagus which was treated with endoscopic submucosal dissection (ESD). ESD was well tolerated in this patient, suggesting that it may be a therapeutic option for primary esophageal sarcomas.


Citations to this article as recorded by  
  • Thoracoscopic resection of a huge esophageal dedifferentiated liposarcoma: A case report
    Yi-Wang Ye, Meng-Ying Liao, Zhi-Min Mou, Xiao-Xin Shi, Yuan-Cai Xie
    World Journal of Clinical Cases.2020; 8(9): 1698.     CrossRef
  • Giant pedunculated oesophageal liposarcomas: A review of literature and resection techniques
    Y. Annalisa Ng, June Lee, X.J. Zheng, J.C. Nagaputra, S.H. Tan, S.A. Wong
    International Journal of Surgery Case Reports.2019; 64: 113.     CrossRef
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    A. Tobisch, C. Taylessani, G. Puhl
    Der Chirurg.2018; 89(10): 822.     CrossRef
  • Successful resection of giant esophageal liposarcoma by endoscopic submucosal dissection combined with surgical retrieval: a case report and literature review
    Gosuke Takiguchi, Tetsu Nakamura, Yasunori Otowa, Ayako Tomono, Shingo Kanaji, Taro Oshikiri, Satoshi Suzuki, Tsukasa Ishida, Yoshihiro Kakeji
    Surgical Case Reports.2016;[Epub]     CrossRef
  • Giant liposarcoma of the esophagus: A case report
    Zhi-Chao Lin
    World Journal of Gastroenterology.2015; 21(33): 9827.     CrossRef
  • A Pedunculated Giant Esophageal Liposarcoma: a Case Report and Literature Review
    A. Dowli, A. Mattar, H. Mashimo, Q. Huang, D. Cohen, P. M. Fisichella, A. Lebenthal
    Journal of Gastrointestinal Surgery.2014; 18(12): 2208.     CrossRef
  • Malignant Dysphagia Treated by Esophageal Sparing Surgery with Good Prognosis
    F. J. R. Teixeira, A. V. Reis, R. S. S. Medeiros, E. H. Akaishi, V. C. Moutinho, S. D. Couto Netto, T. M. Andrade Lima, A. L. F. Perina, F. O. Ferreira, G. O. Mendes, M. P. Lallé, E. M. Utiyama
    Journal of Gastrointestinal Cancer.2014; 45(S1): 241.     CrossRef
  • 5,947 View
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Unusual Complications Related to Endoscopic Retrograde Cholangiopancreatography and Its Endoscopic Treatment
Chang-Il Kwon, Sang Hee Song, Ki Baik Hahm, Kwang Hyun Ko
Clin Endosc 2013;46(3):251-259.   Published online May 31, 2013
AbstractAbstract PDFPubReaderePub

Endoscopic retrograde cholangiopancreatography (ERCP)-induced complications, once occurred, can lead to significant morbidity. Commonly 5% to 10% of patients experience procedure related complications such as post-ERCP pancreatitis, biliary hemorrhage, and cholangitis, in descending order. However, complications such as perforation, pneumothorax, air embolism, splenic injury, and basket impaction are rare but are associated with high mortality if occurred. Such unexpected unusual complications might extend the length of hospitalization, require urgent surgical intervention, and put the patient in miserable condition leading to permanent disability or mortality. Although these ERCP-induced complications can be minimized by a skilled operator using advanced techniques and devices, the occurrence of unusual complications are hard to expect and induce very difficult management condition. In this review, we will focus on the uncommon complications related to ERCP. This review is also aimed at suggesting optimal endoscopic treatment strategies for several complications based on our institutional experiences.


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  • Cystic duct disimpaction for acute cholecystitis in the high-risk cholecystectomy patient: Case report
    Humzah Iqbal, Aalam Sohal, Kanana Aburayyan, Bandhul Hans, Juliana Yang
    SAGE Open Medical Case Reports.2024;[Epub]     CrossRef
  • Emergency digital cholangioscopy-assisted electrohydraulic lithotripsy for basket impaction with an entrapped bile duct stone
    Akane Hara, Kosuke Minaga, Yasuo Otsuka, Hidekazu Tanaka, Mamoru Takenaka, Masatoshi Kudo
    Endoscopy International Open.2024; 12(02): E271.     CrossRef
  • A Study on the Spectrum of Imaging Findings of Post-ERCP-Specific Complications: A Retrospective Descriptive Study
    Ruchira Mukherji, Manoj Gopinath
    Indian Journal of Radiology and Imaging.2024;[Epub]     CrossRef
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Endoscopic Treatment of Refractory Gastroesohageal Reflux Disease
Won Hee Kim, Pil Won Park, Ki Baik Hahm, Sung Pyo Hong
Clin Endosc 2013;46(3):230-234.   Published online May 31, 2013
AbstractAbstract PDFPubReaderePub

Though efficient acid suppression with proton pump inhibitors (PPIs) remains the mainstay of treatment of gastroesophageal reflux disease (GERD), some of the patients showed refractory response to PPIs, necessitating further intervention. After increasing dose of PPIs and other kinds of pharmacological intervention adopting prokinetics or others, variable endoscopic treatments are introduced for the treatment of these refractory cases. The detailed introduction regarding endoscopic treatment for GERD is forwarded in this review article. Implantation of reabsorbable or synthetic materials in the distal esophagus was tried in vain and is expelled from the market due to limited efficacy and serious complication. Radiofrequency energy delivery (Stretta) and transoral incisionless fundoplication (EsophyX) are actively tried currently.


Citations to this article as recorded by  
  • Refractory gastroesophageal reflux disease
    C. R. Subramanian, G. Triadafilopoulos
    Gastroenterology Report.2015; 3(1): 41.     CrossRef
  • Long-term outcomes of patients with refractory gastroesophageal reflux disease following a minimally invasive endoscopic procedure: a prospective observational study
    Wei-Tao Liang, Zhong-Gao Wang, Feng Wang, Yue Yang, Zhi-Wei Hu, Jian-Jun Liu, Guang-Chang Zhu, Chao Zhang, Ji-Min Wu
    BMC Gastroenterology.2014;[Epub]     CrossRef
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Highlights of the 48th Seminar of Korean Society of Gastrointestinal Endoscopy
Kwang An Kwon, Il Ju Choi, Eun Young Kim, Seok Ho Dong, Ki Baik Hahm
Clin Endosc 2013;46(3):203-211.   Published online May 31, 2013
AbstractAbstract PDFPubReaderePub

This special May issue of Clinical Endoscopy discusses the tutorial contents dealing with either the diagnostic or therapeutic gastrointestinal (GI) endoscopy that contain very fundamental and essential points in this filed. The seminar of Korean Society of Gastrointestinal Endoscopy (KSGE) had positioned as one of prime educational seminars covering the very beginner to advanced experts of GI endoscopy. Besides of four rooms allocated for each lecture, two additional rooms were open for either live demonstration or hands-on course, covering totally 20 sessions including one special lecture. Among these prestigious lectures, 12 lectures were selected for the current review articles in this special issue of Clinical Endoscopy journal. Basic course for beginner to advanced tips to expert were all covered in this seminar. This introductory review prepared by four associated editors of Clinical Endoscopy contained core contents divided into four sessions-upper gut, lower gut, pancreaticobiliary, and specialized topic session part-to enhance understandings not covered by enlisted review articles in this issue.


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Endoscopically Diagnosed Gastric Cancers: Looking Alike, but Behave Differently
Won Hee Kim, Ki Baik Hahm
Clin Endosc 2013;46(2):111-112.   Published online March 31, 2013
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Erratum: International Digestive Endoscopy Network 2012: A Patchwork of Networks for the Future
Kwang An Kwon, Il Ju Choi, Eun Young Kim, Seok Ho Dong, Ki Baik Hahm
Clin Endosc 2012;45(4):454-454.   Published online November 30, 2012
Corrects: Clin Endosc 2012;45(3):209
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Special Issue Articles of IDEN 2012
International Digestive Endoscopy Network 2012: A Patchwork of Networks for the Future
Kwang An Kwon, Il Ju Choi, Eun Young Kim, Seok Ho Dong, Ki Baik Hahm
Clin Endosc 2012;45(3):209-210.   Published online August 22, 2012
Correction in: Clin Endosc 2012;45(4):454
AbstractAbstract PDFPubReaderePub

This special September issue of Clinical Endoscopy will discuss various aspects of diagnostic and therapeutic advancement of gastrointestinal (GI) endoscopy, explaining what is new in digestive endoscopy and why international network should be organized. We proposed an integrated model of international conference based on the putative occurrence of Digestive Endoscopy Networks. In International Digestive Endoscopy Network (IDEN) 2012, role of endoscopy in gastroesophageal reflux disease and Barrett's esophagus, endoscopy beyond submucosa, endoscopic treatment for stricture and leakage in upper GI, how to estimate the invasion depth of early GI cancers, colonoscopy in inflammatory bowel disease (IBD), a look into the bowel beyond colon in IBD, management of complications in therapeutic colonoscopy, revival of endoscopic papllirary balloon dilation, evaluation and tissue acquisition for indeterminate biliopancreatic stricture, updates in the evaluation of pancreatic cystic lesions, issues for tailored endoscopic submucosal dissection (ESD), endoluminal stents, management of upper GI bleeding, endoscopic management of frustrating situations, small bowel exploration, colorectal ESD, valuable tips for frustrating situations in colonoscopy, choosing the right stents for endoscopic stenting of biliary strictures, advanced techniques for pancreaticobiliary visualization, endoscopic ultrasound-guided biliopancreatic drainage, and how we can overcome the obstacles were deeply touched. We hope that IDEN 2012, as the very prestigious endoscopy networks, served as an opportunity to gain some clues for further understanding of endoscopic technologies and to enhance up-and-coming knowledge and their clinical implications from selected 25 peer reviewed articles and 112 invited lectures.

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