Radiofrequency ablation combined with multiple biliary metal stent placement using short-type single-balloon endoscope in patients with surgically altered anatomy

Placement of multiple metal stents (MS) for the management of high-grade malignant hilar biliary obstruction (MHBO) is useful,^1,2 and biliary radiofrequency ablation (RFA) has been suggested to improve stent patency.^3,4 However, to our knowledge, there are no reports of RFA procedures performed using a single-balloon endoscope (SBE) in patients with surgically altered anatomy. Here, we report a successful case of RFA combined with multiple MS placement using SBE in Roux-en-Y gastrectomy.

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