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KMID : 0882420240990010004
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Korean Journal of Medicine
2024 Volume.99 No. 1 p.4 ~ p.10
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Trends of Endoscopic Palliation for Advanced Malignant Hilar Biliary Obstruction
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Lee Tae-Hoon
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Abstract
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Malignant hilar biliary obstruction (MHO), an aggressive type of 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, most patients with MHO cannot undergo surgery upon presentation because of their advanced inoperable state or poor performance resulting from old age or comorbid diseases. Therefore, palliative biliary drainage is required to improve symptomatic jaundice and quality of life. Preoperative biliary drainage is controversial in resectable cases of MHO. Preoperative biliary drainage should be considered according to specific selection criteria. Palliative drainage is currently the mainstay of symptomatic treatment.
Compared with percutaneous access, primary endoscopic palliation using plastic or metal stents has recently shown higher technical feasibility and clinical success without increasing the frequency of adverse events, even in high-degree MHO. However, the use of stents still has numerous limitations, including challenges in determining the optimal type of stent, number of stents, deployment method, and additional local therapies. Therefore, this report presents the current optimal endoscopic drainage status for MHO based on recent guidelines and published literature.
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KEYWORD
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Malignant, Hilar obstruction, Endoscopy, Drainage
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