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Review
Intraductal ultrasonography for biliary strictures
Young Koog Cheon
Clin Endosc 2023;56(2):164-168.   Published online February 17, 2023
DOI: https://doi.org/10.5946/ce.2022.184
AbstractAbstract PDFPubReaderePub
When diagnosing the nature of biliary strictures, it is sometimes difficult to perform non-invasive methods such as ultrasound, spiral computed imaging, magnetic resonance imaging, or endoscopic ultrasonography. Thus, treatment decisions are usually based on biopsy results. However, brush cytology or biopsy, which is widely used for biliary stenosis, has limitations owing to its low sensitivity and negative predictive value for malignancy. Currently, the most accurate method is bile duct tissue biopsy under direct cholangioscopy. On the other hand, intraductal ultrasonography administered under the guidance of a guidewire has the advantages of easy administration and being less invasive, allowing for adequate examination of the biliary tract and surrounding organs. This review discusses the usefulness and drawbacks of intraductal ultrasonography for biliary strictures.

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Citations to this article as recorded by  
  • Diagnostic Approach to Biliary Strictures
    Daniyal Raza, Sahib Singh, Stefano Francesco Crinò, Ivo Boskoski, Cristiano Spada, Lorenzo Fuccio, Jayanta Samanta, Jahnvi Dhar, Marco Spadaccini, Paraskevas Gkolfakis, Marcello Fabio Maida, Jorge Machicado, Marcello Spampinato, Antonio Facciorusso
    Diagnostics.2025; 15(3): 325.     CrossRef
  • Artificial intelligence for automatic diagnosis and pleomorphic morphological characterization of malignant biliary strictures using digital cholangioscopy
    Miguel Mascarenhas, Maria João Almeida, Mariano González-Haba, Belén Agudo Castillo, Jessica Widmer, António Costa, Yousef Fazel, Tiago Ribeiro, Francisco Mendes, Miguel Martins, João Afonso, Pedro Cardoso, Joana Mota, Joana Fernandes, João Ferreira, Fili
    Scientific Reports.2025;[Epub]     CrossRef
  • Case report: The diagnostic dilemma of indeterminate biliary strictures: report on two cases with a literature review
    Chunyan Meng, Jing Wang, Peipei Zhang, Bo Wang
    Frontiers in Oncology.2024;[Epub]     CrossRef
  • Clinical application of fly-thru in diagnosis of biliary obstructive diseases: feasibility, reproducibility, and diagnostic value
    Tongyi Huang, Zebang Yang, Xiaoli Wang, Jiaqian Yao, Lin Jiang, Xiaoyan Xie, Ming Xu, Xiaoer Zhang
    Abdominal Radiology.2024;[Epub]     CrossRef
  • 4,468 View
  • 181 Download
  • 5 Web of Science
  • 4 Crossref
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Commentary
Continue or Discontinue Dual Antiplatelet Therapy in Major Surgical or Endoscopic Procedures
Young Koog Cheon
Clin Endosc 2013;46(4):315-316.   Published online July 31, 2013
DOI: https://doi.org/10.5946/ce.2013.46.4.315
PDFPubReaderePub

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  • Effects of antithrombotic therapy on bleeding after endoscopic sphincterotomy: A systematic review and meta-analysis
    Gang Huang, Feng-Yu Tian, Wen An, Li-Si Ai, Yan-Bo Yu
    Endoscopy International Open.2022; 10(06): E865.     CrossRef
  • 4,717 View
  • 41 Download
  • 1 Crossref
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Focused Review Series: Photodynamic Therapy
Current Status of Photodynamic Therapy for Bile Duct Cancer
Tae Yoon Lee, Young Koog Cheon, Chan Sup Shim
Clin Endosc 2013;46(1):38-44.   Published online January 31, 2013
DOI: https://doi.org/10.5946/ce.2013.46.1.38
AbstractAbstract PDFPubReaderePub

The most common form in bile duct cancers is a highly desmoplastic cancer with a growth pattern characterized by periductal extension and infiltration. The prognosis of bile duct cancers, especially hilar cholangiocarcinoma, is limited by tumor spread along the biliary tree leading to refractory obstructive cholestasis, cholangitis, and liver failure. Although biliary endoprosthesis improves occlusion rates and reduces the number of therapeutic interventions, median survival time is not ameliorated. Photodynamic therapy (PDT) is a local photochemical tumor treatment that consists of a photosensitizing agent in combination with laser irradiation of a distinct wavelength. Tumor ablation with PDT combined with biliary stenting reduces cholestasis and significantly improves median survival time in selected patients with bile duct cancers.

Citations

Citations to this article as recorded by  
  • The Photosensitizer Temoporfin (mTHPC) – Chemical, Pre‐clinical and Clinical Developments in the Last Decade†‡
    Arno Wiehe, Mathias O. Senge
    Photochemistry and Photobiology.2023; 99(2): 356.     CrossRef
  • Inhibition of hypoxia-inducible factor 1 by acriflavine renders glioblastoma sensitive for photodynamic therapy
    Shuai Ma, Fang Wang, Jiawei Dong, Nan Wang, Shengzhong Tao, Jianyang Du, Shaoshan Hu
    Journal of Photochemistry and Photobiology B: Biology.2022; 234: 112537.     CrossRef
  • Extrahepatic cholangiocarcinoma: Current status of endoscopic approach and additional therapies
    Alina Ioana Tantau, Alina Mandrutiu, Anamaria Pop, Roxana Delia Zaharie, Dana Crisan, Carmen Monica Preda, Marcel Tantau, Voicu Mercea
    World Journal of Hepatology.2021; 13(2): 166.     CrossRef
  • Investigated spectral-fluorescent properties of endogenous porphyrins of the wild boar hepatobiliary system optimize the diagnostics and treatment of cholangiocarcinoma with FD and PDT
    Artem Shiryaev, Polina Alekseeva, Kanamat Efendiev, Dmitry Yakovlev, Arkadii Moskalev, Elizaveta Kozlikina, Pavel Kharnas, Igor Reshetov, Vladimir Levkin, Victor Loschenov
    Optical Engineering.2020; 59(06): 1.     CrossRef
  • New approaches to diagnostics and treatment of cholangiocellular cancer based on photonics methods
    Dmitry V. Yakovlev, Dina S. Farrakhova, Artem A. Shiryaev, Kanamat T. Efendiev, Maxim V. Loschenov, Liana M. Amirkhanova, Dmitry O. Kornev, Vladimir V. Levkin, Igor V. Reshetov, Victor B. Loschenov
    Frontiers of Optoelectronics.2020; 13(4): 352.     CrossRef
  • Therapy for hilar cholangiocarcinoma
    D. Yu. Frantsev, O. N. Sergeeva, B. I. Dolgushin
    Siberian journal of oncology.2019; 18(1): 103.     CrossRef
  • Combined treatment of nonresectable cholangiocarcinoma complicated by obstructive jaundice
    A.A. Shiryaev, G.Kh. Musaev, V.V. Levkin, I.V. Reshetov, M.V. Loshchenov, P.M. Alekseeva, V.V. Volkov, K.G. Linkov, V.I. Makarov, I.O. Shchekoturov, A.V. Borodkin, V.B Loschenov
    Photodiagnosis and Photodynamic Therapy.2019; 26: 218.     CrossRef
  • Local Therapy in Advanced Cholangiocarcinoma: A Review of Current Endoscopic, Medical, and Oncologic Treatment Options
    Carlo Felix Maria Jung, Julie Lavole, Maximilien Barret, Einas Abou Ali, Lola-Jade Palmieri, Solene Dermine, Amélie Barré, Stanislas Chaussade, Romain Coriat
    Oncology.2019; 97(4): 191.     CrossRef
  • Electrochemotherapy of cholangiocellular carcinoma at hepatic hilum: A feasibility study
    Luciano Tarantino, Giuseppina Busto, Aurelio Nasto, Riccardo Aurelio Nasto, Paolo Tarantino, Raffaele Fristachi, Luigi Cacace, Sara Bortone
    European Journal of Surgical Oncology.2018; 44(10): 1603.     CrossRef
  • Clinico-pathological factors and prognosis scale for portal cholangiocarcinoma
    Yu. O. Zharikov, Yu. A. Kovalenko, A. A. Olifir, D. V. Kalinin, A. V. Czhao
    Khirurgiya. Zhurnal im. N.I. Pirogova.2017; (1): 27.     CrossRef
  • Comprehensive high-throughput image analysis for therapeutic efficacy of architecturally complex heterotypic organoids
    Anne-Laure Bulin, Mans Broekgaarden, Tayyaba Hasan
    Scientific Reports.2017;[Epub]     CrossRef
  • Redox-Responsive Nanophotosensitizer Composed of Chlorin e6-Conjugated Dextran for Photodynamic Treatment of Colon Cancer Cells
    Chong Woo Chu, Je Ho Ryu, Young-IL Jeong, Tae Won Kwak, Hye Lim Lee, Hyun Yul Kim, Gyung Mo Son, Hyung Wook Kim, Dae Hwan Kang
    Journal of Nanomaterials.2016; 2016: 1.     CrossRef
  • Site-specific conjugation of single domain antibodies to liposomes enhances photosensitizer uptake and photodynamic therapy efficacy
    M. Broekgaarden, R. van Vught, S. Oliveira, R. C. Roovers, P. M. P. van Bergen en Henegouwen, R. J. Pieters, T. M. Van Gulik, E. Breukink, M. Heger
    Nanoscale.2016; 8(12): 6490.     CrossRef
  • Endoscopic management of hilar stricture
    Abhishek Gulati, Payal Thakkar, Shyam Thakkar
    Techniques in Gastrointestinal Endoscopy.2016; 18(2): 67.     CrossRef
  • Short-term effects and adverse events of endoscopically applied radiofrequency ablation appear to be comparable with photodynamic therapy in hilar cholangiocarcinoma
    A Schmidt, M Bloechinger, A Weber, J Siveke, S von Delius, C Prinz, W Schmitt, RM Schmid, B Neu
    United European Gastroenterology Journal.2016; 4(4): 570.     CrossRef
  • Resectable Cholangiocarcinoma: Reviewing the Role of Adjuvant Strategies
    E. Una Cidon
    Clinical Medicine Insights: Oncology.2016;[Epub]     CrossRef
  • Radiological interventions in malignant biliary obstruction
    Kumble Seetharama Madhusudhan, Shivanand Gamanagatti, Deep Narayan Srivastava, Arun Kumar Gupta
    World Journal of Radiology.2016; 8(5): 518.     CrossRef
  • Inhibition of hypoxia inducible factor 1 and topoisomerase with acriflavine sensitizes perihilar cholangiocarcinomas to photodynamic therapy
    Ruud Weijer, Mans Broekgaarden, Massis Krekorian, Lindy K. Alles, Albert C. van Wijk, Claire Mackaaij, Joanne Verheij, Allard C. van der Wal, Thomas M. van Gulik, Gert Storm, Michal Heger
    Oncotarget.2016; 7(3): 3341.     CrossRef
  • Efficacy and safety of photodynamic therapy for unresectable cholangiocarcinoma: A meta-analysis
    Yi Lu, Lei Liu, Jia-chuan Wu, Li-ke Bie, Biao Gong
    Clinics and Research in Hepatology and Gastroenterology.2015; 39(6): 718.     CrossRef
  • Tumor cell survival pathways activated by photodynamic therapy: a molecular basis for pharmacological inhibition strategies
    Mans Broekgaarden, Ruud Weijer, Thomas M. van Gulik, Michael R. Hamblin, Michal Heger
    Cancer and Metastasis Reviews.2015; 34(4): 643.     CrossRef
  • Biliary Tumor Ablation with Photodynamic Therapy and Radiofrequency Ablation
    Ioana Smith, Michel Kahaleh
    Gastrointestinal Endoscopy Clinics of North America.2015; 25(4): 793.     CrossRef
  • Nanoparticulate carriers for photodynamic therapy of cholangiocarcinoma: In vitro comparison of various polymer-based nanoparticles
    Jonas Grünebaum, Judith Söbbing, Dennis Mulac, Klaus Langer
    International Journal of Pharmaceutics.2015; 496(2): 942.     CrossRef
  • Improve bile duct-targeted drug delivery and therapeutic efficacy for cholangiocarcinoma by cucurbitacin B loaded phospholipid complex modified with berberine hydrochloride
    Ling Cheng, Ping-hua Xu, Bao-de Shen, Gang Shen, Juan-juan Li, Ling Qiu, Chao-yong Liu, Hai-long Yuan, Jin Han
    International Journal of Pharmaceutics.2015; 489(1-2): 148.     CrossRef
  • Role of photodynamic therapy and intraductal radiofrequency ablation in cholangiocarcinoma
    Janaki Patel, Nada Rizk, Michel Kahaleh
    Best Practice & Research Clinical Gastroenterology.2015; 29(2): 309.     CrossRef
  • Systemic therapy of cholangiocarcinoma: From chemotherapy to targeted therapies
    N. Schweitzer, A. Vogel
    Best Practice & Research Clinical Gastroenterology.2015; 29(2): 345.     CrossRef
  • Low-power photodynamic therapy induces survival signaling in perihilar cholangiocarcinoma cells
    Ruud Weijer, Mans Broekgaarden, Rowan F. van Golen, Esther Bulle, Esther Nieuwenhuis, Aldo Jongejan, Perry D. Moerland, Antoine H. C. van Kampen, Thomas M. van Gulik, Michal Heger
    BMC Cancer.2015;[Epub]     CrossRef
  • Endoscopic and Percutaneous Approaches to the Treatment of Biliary Tract and Primary Liver Tumors
    Kevin N. Shah, Bryan M. Clary
    Surgical Oncology Clinics of North America.2014; 23(2): 207.     CrossRef
  • Palliation: Hilar cholangiocarcinoma
    Mahesh Kr Goenka, Usha Goenka
    World Journal of Hepatology.2014; 6(8): 559.     CrossRef
  • Ursodeoxycholic acid-conjugated chitosan for photodynamic treatment of HuCC-T1 human cholangiocarcinoma cells
    Hye Myeong Lee, Young-Il Jeong, Do Hyung Kim, Tae Won Kwak, Chung-Wook Chung, Cy Hyun Kim, Dae Hwan Kang
    International Journal of Pharmaceutics.2013; 454(1): 74.     CrossRef
  • 9,930 View
  • 103 Download
  • 29 Crossref
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