Clinical Endoscopy

Eun Kwang Choi

4 Articles

Prevalence, natural progression, and clinical practices of upper gastrointestinal subepithelial lesions in Korea: a multicenter study: Younghee Choe, Yu Kyung Cho, Gwang Ha Kim, Jun-Ho Choi, Eun Soo Kim, Ji Hyun Kim, Eun Kwang Choi, Tae Hyeon Kim, Seong-Hun Kim, Do Hoon Kim, The Research Group for Endoscopic Ultrasound in Korean Society of Gastrointestinal Endoscopy; Clin Endosc 2023;56(6):744-753. Published online August 25, 2023; DOI: https://doi.org/10.5946/ce.2023.005

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Background
/Aims: This study aimed to evaluate the prevalence and natural progression of subepithelial lesions (SELs) in the upper gastrointestinal (UGI) tract.
Methods
The medical records of patients with UGI SELs who underwent endoscopic screening at eight university hospitals between January and December 2010 were retrospectively investigated. The follow-up evaluations were performed until December 2016.
Results
UGI SELs were found in 1,044 of the 65,233 participants screened (endoscopic prevalence, 1.60%; the total number of lesions, 1,062; mean age, 55.1±11.2 years; men, 53.6%). The median follow-up period was 48 (range, 8–74) months. SELs were most frequently found in the stomach (63.8%) and had a mean size of 9.9±6.1 mm. Endoscopic ultrasonography (EUS) was performed in 293 patients (28.1%). The most common lesions were leiomyomas, followed by gastrointestinal stromal tumors (GISTs), and ectopic pancreas. The proportions of SELs with malignant potential according to size were 3% (<1 cm), 22% (1–2 cm), 27% (2–3 cm), and 38% (≥3 cm). In gastric SELs larger than 1 cm, resections were performed in 20 patients because of an increase in size, of which 12 were found to be GISTs.
Conclusions
The prevalence of UGI SELs was 1.60%. Further, 23% of gastric SELs ≥1 cm were precancerous lesions, most followed by EUS and clinical decisions without initial pathological confirmation.

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A Case of Esophageal MALT Lymphoma Mimicking a Subepithelial Tumor
Ha Eun Lee, Gwang Ha Kim, Min Ji Kim, Kyung Bin Kim, Dong Chan Joo, Hye Kyung Jeon, Moon Won Lee, Bong Eun Lee
The Korean Journal of Gastroenterology.2024; 83(4): 157. CrossRef
Small gastric subepithelial lesions: A sand in the eye
Tanyaporn Chantarojanasiri, Nikhil Sonthalia, Rashid N. Lui
Journal of Gastroenterology and Hepatology.2024; 39(7): 1207. CrossRef
Endoscopic treatment of a large Brunner’s gland hamartoma in the duodenum
Ha Eun Lee, Gwang Ha Kim, Kyungbin Kim
Endoscopy.2024; 56(S 01): E546. CrossRef
Artificial Intelligence-Based Diagnosis of Gastric Mesenchymal Tumors Using Digital Endosonography Image Analysis
Dong Chan Joo, Gwang Ha Kim, Moon Won Lee, Bong Eun Lee, Ji Woo Kim, Kwang Baek Kim
Journal of Clinical Medicine.2024; 13(13): 3725. CrossRef
An Esophageal Leiomyoma with Cystic Degeneration Mimicking a Malignant Neoplasm
Gwang Ha Kim, Dong Chan Joo, Moon Won Lee, Bong Eun Lee, Kyungbin Kim
The Ewha Medical Journal.2023;[Epub] CrossRef

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Clinical and Technical Guideline for Endoscopic Ultrasound (EUS)-Guided Tissue Acquisition of Pancreatic Solid Tumor: Korean Society of Gastrointestinal Endoscopy (KSGE): Moon Jae Chung, Se Woo Park, Seong-Hun Kim, Chang Min Cho, Jun-Ho Choi, Eun Kwang Choi, Tae Hoon Lee, Eunae Cho, Jun Kyu Lee, Tae Jun Song, Jae Min Lee, Jun Hyuk Son, Jin Suk Park, Chi Hyuk Oh, Dong-Ah Park, Jeong-Sik Byeon, Soo Teik Lee, Ho Gak Kim, Hoon Jai Chun, Ho Soon Choi, Chan Guk Park, Joo Young Cho; Clin Endosc 2021;54(2):161-181. Published online March 24, 2021; DOI: https://doi.org/10.5946/ce.2021.069

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Endoscopic ultrasound (EUS)-guided tissue acquisition of pancreatic solid tumor requires a strict recommendation for its proper use in clinical practice because of its technical difficulty and invasiveness. The Korean Society of Gastrointestinal Endoscopy (KSGE) appointed a Task Force to draft clinical practice guidelines for EUS-guided tissue acquisition of pancreatic solid tumor. The strength of recommendation and the level of evidence for each statement were graded according to the Minds Handbook for Clinical Practice Guideline Development 2014. The committee, comprising a development panel of 16 endosonographers and an expert on guideline development methodology, developed 12 evidence-based recommendations in 8 categories intended to help physicians make evidence-based clinical judgments with regard to the diagnosis of pancreatic solid tumor. This clinical practice guideline discusses EUS-guided sampling in pancreatic solid tumor and makes recommendations on circumstances that warrant its use, technical issues related to maximizing the diagnostic yield (e.g., needle type, needle diameter, adequate number of needle passes, sample obtaining techniques, and methods of specimen processing), adverse events of EUS-guided tissue acquisition, and learning-related issues. This guideline was reviewed by external experts and suggests best practices recommended based on the evidence available at the time of preparation. This guideline may not be applicable for all clinical situations and should be interpreted in light of specific situations and the availability of resources. It will be revised as necessary to cover progress and changes in technology and evidence from clinical practice.

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Role of Endoscopic Ultrasound in the Management of Pancreatic Cancer
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Indian Journal of Surgical Oncology.2024; 15(S2): 269. CrossRef
Endoscopic Ultrasound (EUS) guided biopsy of healthy pig pancreas: Towards the histological diagnosis of chronic pancreatitis.
Julio Iglesias-García, Yessica Domínguez-Novoa, Héctor Lazare-Iglesias, Antonio González-Cantalapiedra, Ihab Abdulkader-Nallib, Óscar Varela-López, José Lariño-Noia, Enrique Domínguez-Muñoz
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Clinical Endoscopy.2023; 56(2): 183. CrossRef
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Hiroaki Kusunose, Shinsuke Koshita, Yoshihide Kanno, Takahisa Ogawa, Toshitaka Sakai, Keisuke Yonamine, Kazuaki Miyamoto, Fumisato Kozakai, Hideyuki Anan, Kazuki Endo, Haruka Okano, Masaya Oikawa, Takashi Tsuchiya, Takashi Sawai, Yutaka Noda, Kei Ito
Clinical Endoscopy.2023; 56(3): 353. CrossRef
Anesthesia care provider sedation versus conscious sedation for endoscopic ultrasound–guided tissue acquisition: a retrospective cohort study
Sneha Shaha, Yinglin Gao, Jiahao Peng, Kendrick Che, John J. Kim, Wasseem Skef
Clinical Endoscopy.2023; 56(5): 658. CrossRef
Endoscopic ultrasound-guided tissue acquisition and gene panel testing for pancreatic cancer
Kentaro SUDO, Emiri KITA, Akiko TSUJIMOTO, Kazuyoshi NAKAMURA, Akiko ODAKA, Makiko ITAMI, Sana YOKOI, Hiroshi ISHII
Suizo.2022; 37(1): 8. CrossRef
Impact of rapid on-site evaluation on diagnostic accuracy of EUS-guided fine-needle aspiration of solid pancreatic lesions: experience from a single center
Irem Guvendir, Itir Ebru Zemheri, Kamil Ozdil
BMC Gastroenterology.2022;[Epub] CrossRef
Endoscopic Ultrasound Guided Fine Needle Aspiration and Biopsy for Pancreatic Disease
Kwang Hyuck Lee
The Korean Journal of Pancreas and Biliary Tract.2021; 26(4): 241. CrossRef

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Education and Training Guidelines for the Board of the Korean Society of Gastrointestinal Endoscopy: Hee Seok Moon, Eun Kwang Choi, Ji Hyun Seo, Jeong Seop Moon, Ho June Song, Kyoung Oh Kim, Jong Jin Hyun, Sung Kwan Shin, Beom Jae Lee, Sang Heon Lee; Clin Endosc 2017;50(4):345-356. Published online July 31, 2017; DOI: https://doi.org/10.5946/ce.2017.106

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The Korean Society of Gastrointestinal Endoscopy (KSGE) developed a gastrointestinal (GI) endoscopy board in 1995 and related regulations. Although the KSGE has acquired many specialists since then, the education and training aims and guidelines were insufficient. During GI fellowship training, obtaining sufficient exposure to some types of endoscopic procedures is difficult. Fellows should acquire endoscopic skills through supervised endoscopic procedures during GI fellowship training. Thus, the KSGE requires training guidelines for fellowships that allow fellows to perform independent endoscopic procedures without supervision. This document is intended to provide principles that the Committee of Education and Training of the KSGE can use to develop practical guidelines for granting privileges to perform accurate GI endoscopy safely. The KSGE will improve the quality of GI endoscopy by providing guidelines for fellowships and supervisors.

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Interval Advanced Gastric Cancer After Negative Endoscopy
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Clinical Gastroenterology and Hepatology.2023; 21(5): 1205. CrossRef
Global trends in training and credentialing guidelines for gastrointestinal endoscopy: a systematic review
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Endoscopy International Open.2023; 11(02): E193. CrossRef
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Gastrointestinal Endoscopy.2021; 93(5): 1152. CrossRef
Training in endoscopic retrograde cholangio-pancreatography: a critical assessment of the broad scenario of training programs and models
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The Korean Journal of Internal Medicine.2021; 36(Suppl 1): S35. CrossRef
Guidelines for accreditation of endoscopy units: quality measures from the Korean Society of Coloproctology
Rumi Shin, Seongdae Lee, Kyung-Su Han, Dae Kyung Sohn, Sang Hui Moon, Dong Hyun Choi, Bong-Hyeon Kye, Hae-Jung Son, Sun Il Lee, Sumin Si, Won-Kyung Kang
Annals of Surgical Treatment and Research.2021; 100(3): 154. CrossRef
Why Should We Implement a System of Endoscopic Retrograde Cholangiopancreatography Certification?
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The Korean Journal of Pancreas and Biliary Tract.2021; 26(4): 211. CrossRef
Process and Renewal of Pancreatobiliary Cerification System
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The Korean Journal of Pancreas and Biliary Tract.2020; 25(1): 1. CrossRef
Impact of Hospital Volume and the Experience of Endoscopist on Adverse Events Related to Endoscopic Retrograde Cholangiopancreatography: A Prospective Observational Study
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Quality indicators in diagnostic upper gastrointestinal endoscopy
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Current Korean Medical Specialty and Subspecialty System for Preparation of Privileging and Credentialing of ERCP Subspecialty
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Endoscopic Ultrasound-Guided Perirectal Abscess Drainage without Drainage Catheter: A Case Series: Eun Kwang Choi, Ji Hyun Kim, Seung Uk Jeong, Soo-Young Na, Sun-Jin Boo, Heung Up Kim, Byung-Cheol Song; Clin Endosc 2017;50(3):297-300. Published online April 11, 2017; DOI: https://doi.org/10.5946/ce.2016.123

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A perirectal abscess is a relatively common disease entity that occurs as a postsurgical complication or as a result of various medical conditions. Endoscopic ultrasound (EUS)-guided drainage was recently described as a promising alternative treatment. Previous reports have recommended placement of a drainage catheter through the anus for irrigation, which is inconvenient to the patient and carries a risk of accidental dislodgement. We report four cases of perirectal abscess that were successfully treated with only one or two 7 F double pigtail plastic stent placements and without a drainage catheter for irrigation.

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Current Gastroenterology Reports.2019;[Epub] CrossRef

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