Opacification of nondilated bile ducts through the gallbladder as an aid to percutaneous transhepatic biliary drainage
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Updated: Feb 17, 2026

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
Published on: March 25, 2022
1Department of Radiology, Uludag University Faculty of Medicine, Gorukle street, Bursa, Turkey.
Purpose:
The purpose of this study was to retrospectively assess the potential of percutaneous transhepatic biliary drainage (PTBD) in patients with nondilated bile ducts (NDBD) using a transgallbladder opacification of the bile ducts.
Patients And Methods:
Eight patients with NDBD (7 men, 1 women; median age, 65 years; Q1-Q3, 35-69 years; range, 22-77 years) who underwent PTBD after opacification of the bile ducts through the gallbladder were evaluated. Opacification of NDBD was performed using a retrograde injection of contrast material through the gallbladder. The opacified peripheral NDBD was punctured percutaneously and a drainage catheter was introduced under fluoroscopy guidance. The success and safety of the procedure were assessed.
Results:
PTBD could be achieved in 6/8 patients (75%) and no significant complications were observed. The biliary tree opacification was attempted but could not be achieved due to biliary sludge that obstructed the cystic duct in 2/8 patients (25%). Two minor complications in two different patients were observed consisting of transient hemobilia and chills.
Conclusion:
Opacification of the bile ducts using a transgallbladder approach appears to be a safe and successful procedure for PTBD in patients with NDBD.
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