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KMID : 1038120230560020155
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Clinical Endoscopy
2023 Volume.56 No. 2 p.155 ~ p.163
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Role of radiofrequency ablation in advanced malignant hilar biliary obstruction
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Mamoru Takenaka
Lee Tae-Hoon
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Abstract
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Malignant hilar biliary obstruction (MHO), an aggressive perihilar biliary obstruction caused by cholangiocarcinoma, gallbladder cancer, or other metastatic malignancies, has a poor prognosis. Surgical resection is the only curative treatment for biliary malignancies. However, the majority of patients with MHO cannot undergo surgery on presentation because of an advanced inoperable state or a poor performance state due to old age or comorbid diseases. Therefore, palliative biliary drainage is mandatory to improve symptomatic jaundice and the quality of life. Among the drainage methods, endoscopic biliary drainage is the current standard for palliation of unresectable advanced MHO. In addition, combined with endoscopic drainage, additional local ablation therapies, such as photodynamic therapy or radiofrequency ablation (RFA), have been introduced to prolong stent patency and survival. Currently, RFA is commonly used as palliative therapy, even for advanced MHO. This literature review summarizes recent studies on RFA for advanced MHO.
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KEYWORD
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Endoscopy, Hilar, Obstruction, Radiofrequency ablation
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