CURRENT STATUS OF DIRECT PERORAL CHOLANGIOSCOPY

초록

Recently, several endoscopists have reported the usefulness of direct peroral video cholangioscopy for the diagnosis and therapy of bile duct lesions. Although ultra-slim pediatric or Tran nasal video endoscopes are usually used for the direct peroral video cholangioscopy, direct scope insertion without pretreatment and any assistant is considerably difficult. Based on the previous literatures, intraductal balloon catheter-assisted scope insertion might be relatively reliable method. To overcome the issue on the scope insertion, recently prototype cholangioscope that has short bending section and anchoring balloon catheter for scope replacement and insertion has been developed. In the near future, we could establish the direct peroral cholangioscopy using new developed technology.

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