Clinical Endoscopy

Sang Hyub Lee

8 Articles

Quality indicators of endoscopic ultrasound in the pancreatobiliary system: a brief review of current guidelines: Sung Yong Han, Hyung Ku Chon, Seong-Hun Kim, Sang Hyub Lee, The Research Group for Endoscopic Ultrasound in Korean Society of Gastrointestinal Endoscopy; Clin Endosc 2024;57(2):158-163. Published online June 9, 2023; DOI: https://doi.org/10.5946/ce.2023.064

Since its development, the use of endoscopic ultrasonography (EUS) in the pancreas and the biliary tract has become increasingly important. The accuracy of EUS varies depending on the experience of the endoscopist. Hence, quality control measures using appropriate indicators are required to reduce these variations. American Society for Gastrointestinal Endoscopy and European Society of Gastrointestinal Endoscopy have announced the EUS quality indicators. Here, we reviewed the quality indicators of the EUS procedure in the current published guidelines.

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A remnant cystic duct presenting as a duodenal subepithelial tumor
Gwang Ha Kim, Dong Chan Joo
Clinical Endoscopy.2024; 57(2): 268. CrossRef

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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; DOI: https://doi.org/10.5946/ce.2019.176

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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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Successful Removal of a Difficult Common Bile Duct Stone by Percutaneous Transcholecystic Cholangioscopy: Hyunsuk Lee, Sang Hyub Lee, Gunn Huh, Yeji Kim, Saebeom Hur, Moonhaeng Hur, Minwoo Lee, Byeongyun Ahn; Clin Endosc 2022;55(2):297-301. Published online May 4, 2021; DOI: https://doi.org/10.5946/ce.2020.301

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Common bile duct (CBD) stones are prevalent in 11% to 21% of patients with gallstones and can cause various clinical manifestations, from biliary colic to biliary sepsis. The treatment of choice is endoscopic retrograde cholangiopancreatography, but approximately 5% to 10% of CBD stones are difficult to remove using these conventional endoscopic methods. Although percutaneous transhepatic cholangioscopy and lithotripsy can be used as an alternative, it can be technically demanding and risky if the intrahepatic duct is not dilated. We report a case of a large CBD stone that was successfully removed using percutaneous transcholecystic cholangioscopy.

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PERcutaneous transhepatic CHOLangioscopy using a new single‐operator short cholangioscope (PERCHOL): European feasibility study
Enrique Pérez‐Cuadrado‐Robles, Simon Phillpotts, Michiel Bronswijk, Claudio Cim Conrad, Cecilia Binda, Laurent Monino, Kirill Basiliya, Marcus Hollenbach, Apostolis Papaefthymiou, Hadrien Alric, Lucille Quénéhervé, Alessandro Di Gaeta, Mathieu Pioche, Ari
Digestive Endoscopy.2024; 36(6): 719. CrossRef
Cholangioscopy as a rescue for a post-cholecystectomy adherent stone formed around a migrated surgical clip in the common bile duct
Chukwunonso Ezeani, Samuel O. Igbinedion, Kwabena Asafo-Agyei, Erik A. Holzwanger, Sultan Mahmood, Mandeep S. Sawhney, Tyler M. Berzin, Moamen Gabr, Douglas K. Pleskow
VideoGIE.2024; 9(5): 241. CrossRef
Colangioscopia percutánea utilizando SpyGlass Discover para el manejo de coledocolitiasis difícil en anatomía alterada: reporte de caso
V. Sánchez-Cerna, G. Araujo-Almeyda, J. Aliaga-Ramos, T. Reyes-Mugruza, W. Celedonio-Campos
Revista de Gastroenterología de México.2024; 89(3): 451. CrossRef
Percutaneous cholangioscopy utilizing SpyGlass Discover for difficult-to-treat choledocholithiasis in an altered anatomy: A case report
V. Sánchez-Cerna, G. Araujo-Almeyda, J. Aliaga-Ramos, T. Reyes-Mugruza, W. Celedonio-Campos
Revista de Gastroenterología de México (English Edition).2024; 89(3): 451. CrossRef

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Survival Benefit of Intraductal Radiofrequency Ablation for Malignant Biliary Obstruction: A Systematic Review with Meta-Analysis: Byung Hyo Cha, Myoung-Jin Jang, Sang Hyub Lee; Clin Endosc 2021;54(1):100-106. Published online January 15, 2021; DOI: https://doi.org/10.5946/ce.2020.254

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Background
/Aims: Cholangiocarcinoma (CCA) is a rare but aggressive disease with a poor survival. Recent trials have shown improved survival with intraductal radiofrequency ablation (RFA) therapy. We performed a systematic review with meta-analysis to determine the survival benefit of endoscopic RFA for unresectable extrahepatic CCA with malignant biliary obstruction (MBO).
Methods
A systematic search from 1970 to 2020 was performed in MEDLINE, EMBASE, Cochrane Library, and ClinicalTrials. gov. We selected eligible studies reporting relative risks, hazard ratios (HRs), or odds ratios, adjusted by controlling for confounding factors of survival rate and stent patency duration, among patients with extrahepatic CCA with MBO treated with RFA with stent insertion or stent insertion only.
Results
A total of eight trials (three randomized and five nonrandomized) with a total of 420 patients were included in the metaanalysis. Pooled overall survival analysis favored RFA treatment with stent insertion (HR, 0.47; 95% confidence interval [CI], 0.34– 0.64; I²=47%; p=0.09); however, no significant difference was found in the duration of stent patency between the groups (HR, 0.79; 95% CI, 0.57–1.09; I²=7%; p=0.36).
Conclusions
RFA therapy with stent insertion may confer a survival benefit compared with stent insertion only in patients with CCA and MBO.

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Intraductal radiofrequency ablation plus biliary stent versus stent alone for malignant biliary obstruction: a systematic review and meta-analysis
Matheus de Oliveira Veras, Diogo Turiani Hourneaux de Moura, Thomas R. McCarty, Guilherme Henrique Peixoto de Oliveira, Rômulo Sérgio Araújo Gomes, Davi Lucena Landim, Felipe Giacobo Nunes, Tomazo Antônio Prince Franzini, Marcos Eduardo Lera dos Santos, W
Endoscopy International Open.2024; 12(01): E23. CrossRef
Reply to Chandrasekhara and Aggarwal
Matheus de Oliveira Veras, Diogo Turiani Hourneaux de Moura, Eduardo Guimarães Hourneaux de Moura
Endoscopy International Open.2024; 12(05): E640. CrossRef
Consensus statements on endoscopic radiofrequency ablation for malignant biliary strictures

Journal of Digestive Diseases.2024; 25(1): 2. CrossRef
The Impact of Radiofrequency Ablation on Survival Outcomes and Stent Patency in Patients with Unresectable Cholangiocarcinoma: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Daniele Balducci, Michele Montori, Francesco Martini, Marco Valvano, Federico De Blasio, Maria Eva Argenziano, Giuseppe Tarantino, Antonio Benedetti, Emanuele Bendia, Marco Marzioni, Luca Maroni
Cancers.2024; 16(7): 1372. CrossRef
Impact of temperature-controlled endobiliary radiofrequency ablation for inoperable hilar cholangiocarcinoma: A propensity score–matched analysis
Il Sang Shin, Jong Ho Moon, Yun Nah Lee, Jun Ho Myeong, Tae Hoon Lee, Jae Kook Yang, Young Deok Cho, Sang-Heum Park
Endoscopy International Open.2024; 12(04): E535. CrossRef
Percutaneous endobiliary radiofrequency ablation and stent placement for unresectable malignant biliary obstruction: a propensity score matching retrospective study
Wei Cui, Jing-Zhi Huang, Qi Wang, Feng Shi, Qing Gou, Xiao-Ming Chen, Jing Zhang, Jia-Ping Li, Rongde Xu
BMC Gastroenterology.2024;[Epub] CrossRef
Biliary stents for active materials and surface modification: Recent advances and future perspectives
Yuechuan Li, Kunshan Yuan, Chengchen Deng, Hui Tang, Jinxuan Wang, Xiaozhen Dai, Bing Zhang, Ziru Sun, Guiying Ren, Haijun Zhang, Guixue Wang
Bioactive Materials.2024; 42: 587. CrossRef
Chinese national clinical practice guideline on diagnosis and treatment of biliary tract cancers
Xu’an Wang, Yongrui Bai, Ningli Chai, Yexiong Li, Enqiang Linghu, Liwei Wang, Yingbin Liu
Chinese Medical Journal.2024; 137(19): 2272. CrossRef
Feasibility and safety of trans-biliary cryoablation: Preclinical evaluation of a novel flexible cryoprobe
Chao Zhang, Linzhong Zhu, Shousheng Tang, Jukun Wang, Yu Li, Xin Chen, Chunjing Bian, Dongbin Liu, Guokun Ao, Tao Luo
Cryobiology.2023; 111: 40. CrossRef
Efficacy and Safety of Radiofrequency Ablation Plus Stent Versus Stent-alone Treatments for Malignant Biliary Strictures
Hayat Khizar, Yufei Hu, Yanhua Wu, Kamran Ali, Junaid Iqbal, Muhammad Zulqarnain, Jianfeng Yang
Journal of Clinical Gastroenterology.2023; 57(4): 335. CrossRef
Development of novel biliary metal stent with coil-spring structure and its application in vivo swine biliary stricture model
In Rae Cho, Sang Hyub Lee, Jin Ho Choi, Namyoung Park, Min Woo Lee, Joo Seong Kim, Seok Jeong, Don Haeng Lee, Tae-Won Jeong, Byoung-Yun Ki, Woo Hyun Paik, Ji Kon Ryu, Yong-Tae Kim
Frontiers in Oncology.2023;[Epub] CrossRef
In-stent radiofrequency ablation with uncovered metal stent placement for tumor ingrowth/overgrowth causing self-expandable metal stent occlusion in distal malignant biliary obstruction: multicenter propensity score–matched study
Namyoung Park, Min Kyu Jung, Eui Joo Kim, Woo Hyun Paik, Jae Hee Cho
Gastrointestinal Endoscopy.2023; 97(4): 694. CrossRef
ACG Clinical Guideline: Diagnosis and Management of Biliary Strictures
B. Joseph Elmunzer, Jennifer L. Maranki, Victoria Gómez, Anna Tavakkoli, Bryan G. Sauer, Berkeley N. Limketkai, Emily A. Brennan, Elaine M. Attridge, Tara J. Brigham, Andrew Y. Wang
American Journal of Gastroenterology.2023; 118(3): 405. CrossRef
Effect of radiofrequency ablation in addition to biliary stent on overall survival and stent patency in malignant biliary obstruction: an updated systematic review and meta-analysis
Zahid Ijaz Tarar, Umer Farooq, Mustafa Gandhi, Ghulam Ghous, Saad Saleem, Faisal Kamal, Zaid Imam, Laith Jamil
European Journal of Gastroenterology & Hepatology.2023; 35(6): 646. CrossRef
Impact of endobiliary radiofrequency ablation on survival of patients with unresectable cholangiocarcinoma: a narrative review
Elena Di Girolamo, Andrea Belli, Alessandro Ottaiano, Vincenza Granata, Valentina Borzillo, Luca Tarotto, Fabiana Tatangelo, Raffaele Palaia, Corrado Civiletti, Mauro Piccirillo, Valentina D’Angelo, Francesco Fiore, Pietro Marone, Guglielmo Nasti, Frances
Frontiers in Oncology.2023;[Epub] CrossRef
Endoluminal radiofrequency ablation in patients with malignant biliary obstruction: a randomised trial
Jana Jarosova, Lea Zarivnijova, Ivana Cibulkova, Jan Mares, Peter Macinga, Alzbeta Hujova, Premysl Falt, Ondrej Urban, Jan Hajer, Julius Spicak, Tomas Hucl
Gut.2023; 72(12): 2286. CrossRef
Is endoscopic radiofrequency ablation plus stent placement superior to stent placement alone for the treatment of malignant biliary obstruction? A systematic review and meta-analysis
Chenming Liu, Jiaming Dong, Yuxing Liu, Siyuan Zhang, Ruanchang Chen, Haijun Tang
Journal of International Medical Research.2023;[Epub] CrossRef
Intraductal Therapies for Cholangiocarcinoma
Abhishek Agnihotri, David E. Loren
Techniques and Innovations in Gastrointestinal Endoscopy.2022; 24(2): 200. CrossRef
Silver Nanofunctionalized Stent after Radiofrequency Ablation Suppresses Tissue Hyperplasia and Bacterial Growth
Yubeen Park, Dong-Sung Won, Ga-Hyun Bae, Dae Sung Ryu, Jeon Min Kang, Ji Won Kim, Song Hee Kim, Chu Hui Zeng, Wooram Park, Sang Soo Lee, Jung-Hoon Park
Pharmaceutics.2022; 14(2): 412. CrossRef
Comparison of Intraductal RFA Plus Stent versus Stent-Only Treatment for Unresectable Perihilar Cholangiocarcinoma—A Systematic Review and Meta-Analysis
David M. de Jong, Jeska A. Fritzsche, Amber S. Audhoe, Suzanne S. L. Yi, Marco J. Bruno, Rogier P. Voermans, Lydi M. J. W. van Driel
Cancers.2022; 14(9): 2079. CrossRef
Evaluation and Management of Malignant Biliary Obstruction
Nadia V. Guardado, Kaysey Llorente, Benoit Blondeau
Surgical Oncology Clinics of North America.2021; 30(3): 491. 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; DOI: https://doi.org/10.5946/ce.2018.191

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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

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Future Perspectives on Endoscopic Ultrasonography-Guided Therapy for Pancreatic Neoplasm: Woo Hyun Paik, Sang Hyub Lee, Sunguk Jang; Clin Endosc 2018;51(3):229-234. Published online May 18, 2018; DOI: https://doi.org/10.5946/ce.2018.063

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Endoscopic ultrasonography (EUS)-guided therapy with ethanol injection or catheter-based radiofrequency ablation for pancreatic neoplasm has been conducted as a potential alternate treatment modality for patients who are not eligible for surgery. On the basis of the limited number of studies available, EUS-guided ablation therapy with the aforementioned methods for small pancreatic neoplasms has demonstrated promising technical feasibility and safety profiles. To be considered as a legitimate alternative option to surgery, however, EUS-guided ablation therapy must provide a long-term efficacy profile along with the consensus among experts regarding its treatment parameter. This review focuses on the clinical issues and future perspectives of EUS-guided therapy for pancreatic neoplasm.

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An updated review on ablative treatment of pancreatic cystic lesions
Andrew Canakis, Ryan Law, Todd Baron
Gastrointestinal Endoscopy.2020; 91(3): 520. CrossRef
Endosonography-guided Radiofrequency Ablation in Pancreatic Diseases
Giuseppe Vanella, Gabriele Capurso, Paolo G. Arcidiacono
Journal of Clinical Gastroenterology.2020; 54(7): 591. CrossRef

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One Case of Common Bile Duct Cancer Mimicking Cystic Neoplasm of the Pancreas, Arising 9 Years after Excision of a Choledochal Cyst: Sang Wook Park, Sang Hyub Lee, Young Ook Eum, Hong Sang Oh, Donghyeon Lee, Eunhyo Jin, Kwanghyun Chung, Jin-Hyeok Hwang; Clin Endosc 2012;45(4):435-439. Published online November 30, 2012; DOI: https://doi.org/10.5946/ce.2012.45.4.435

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A 42-years-old woman had undergone operation for cholecochal cyst with gallbladder cancer 9 years ago. Pathology revealed a polypoid mass in the gallbladder with liver infiltration as poorly differentiated adenocarcinoma. Computed tomography, magnetic resonance cholangiopancreatography, and endoscopic ultrasound showed a newly developed suspected solid nodule in the peripheral portion of cystic lesion in the pancreas head. She underwent a pylorus preserving pancreaticoduodenectomy for the suspected mucinous cystic neoplasm of the pancreas. Pathology revealed poorly differentiated adenocarcinoma. The remnant choledochal cyst had developed to cholangiocarcinoma, which mimicked cystic neoplasm of the pancreas.

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Carcinoma of the Papilla of Vater after Diversion Operation for Pancreaticobiliary Maljunction
Takahiro Yamanaka, Kenichiro Araki, Norihiro Ishii, Mariko Tsukagoshi, Takamichi Igarashi, Akira Watanabe, Norio Kubo, Hiroyuki Kuwano, Ken Shirabe
Case Reports in Gastroenterology.2017; 11(2): 265. CrossRef
Treatment and outcomes of adults with remnant intrapancreatic choledochal cysts
Hong-Tian Xia, Tao Yang, Bin Liang, Jian-Ping Zeng, Jia-Hong Dong
Surgery.2016; 159(2): 418. CrossRef

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Dual Therapy Trial Using Esomeprazole and Amoxicillin as Third-line Rescue Therapy for Helicobacter pylori Infection: Hyun Kyung Park, Dong Ho Lee, Seungchul Suh, Pyoung Ju Seo, Nayoung Kim, Sook-Hyang Jeong, Jin-Wook Kim, Jin-Hyeok Hwang, Young Soo Park, Sang Hyub Lee, Cheol Min Shin; Clin Endosc 2011;44(1):33-37. Published online September 30, 2011; DOI: https://doi.org/10.5946/ce.2011.44.1.33

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Background/Aims

The purpose of this study was to evaluate the efficacy and tolerability of dual therapy consisting of esomeprazole and amoxicillin as a rescue therapy for Helicobacter pylori infection.

Methods

From December 2009 to August 2010, 21 patients who experienced two consecutive eradication failures were included. They received esomeprazole (40 mg, b.i.d.) and amoxicillin (1,000 mg, b.i.d.) for 14 days as a third eradication regimen. Compliance and side effects were determined from an interview. H. pylori status was evaluated using the ¹³C urea breath test at least 6 weeks after treatment.

Results

The mean age of the patients was 59 years and included 52% males. Indications for treatment were functional dyspepsia (61.9%), peptic ulcer disease (28.6%), and gastric adenoma (9.5%). H. pylori was eradicated in 14 of 21 (66.7%) patients. Minor side effects were reported in three of the 21 patients (14.3%). These side effects consisted mainly of nausea and epigastric discomfort.

Conclusions

A 2-week course of dual therapy failed to show satisfactory results in third-line H. pylori eradication, but it was very safe and tolerable. Therefore, dual therapy constitutes an encouraging empirical strategy for the elderly and infirm patients with multiple previous eradication failures.

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Dual therapy for Helicobacter pylori infection
Miao Duan, Jing Liu, Xiuli Zuo
Chinese Medical Journal.2023;[Epub] CrossRef
Helicobacter pylori Antimicrobial Susceptibility Testing-Guided Salvage Therapy in the USA: A Real Life Experience
Bei Tan, Jyh-Chin Yang, Carol L. Young, Shrinivas Bishu, Stephanie Y. Owyang, Mohamad El-Zaatari, Min Zhang, Helmut Grasberger, Jia-ming Qian, John Y. Kao
Digestive Diseases and Sciences.2018; 63(2): 437. CrossRef
Treatment of Helicobacter pylori Infection in Korea: A Systematic Review and Meta-analysis
Sang Wook Lee, Hyun Jung Kim, Jae Gyu Kim
Journal of Korean Medical Science.2015; 30(8): 1001. CrossRef

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