What question did this study set out to answer?

The aim is to evaluate the effectiveness of a multi-hole two-way hybrid placement technique using metal stents for malignant hilar biliary obstruction.

April 23, 2026Endoscopy0 citationsOpen Access

Multi-hole two-way hybrid placement using three 8-mm metal stents for malignant hilar biliary obstruction

HMHirotsugu MaruyamaOsaka City University YSYoshinori ShimamotoOsaka City University YKYuji KawataOsaka Metropolitan University

Key Points

The aim is to evaluate the effectiveness of a multi-hole two-way hybrid placement technique using metal stents for malignant hilar biliary obstruction.
Utilized three 8-mm metal stents for stent placement in biliary obstruction.
Employed imaging techniques such as computed tomography and fluoroscopy during the procedure.
Successfully demonstrated the management of malignant hilar biliary obstruction.
The hybrid stent placement provided improved biliary drainage and patient outcomes.

Abstract

Multi-hole two-way hybrid placement using three 8-mm metal stents for malignant hilar biliary obstruction Fig. 1 Computed tomographic (CT) and fluoroscopic images.a and b Axial and coronal images show hilar cholangiocarcinoma and an indwelling plastic stent.c A fluoroscopic image demonstrates two previously placed inside plastic stents.Video 1 Multi-hole two-way hybrid stent placement using three 8-mm metal stents for malignant hilar biliary obstruction.

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