Abstract
The CHF‐B260 videoscope has a 3.4 mm outer diameter, 1.2 mm forceps channel, and two‐way angulations function (70° up and 70° down). Peroral cholangioscopy (POCS) was performed using the CHF‐B260 in 13 patients who were admitted to our hospital between October 2002 and June 2004. The CHF‐B260 was successfully inserted into the bile duct in all cases. Clear images were obtained in 11 patients. Endoscopic images for two cases of malignant stricture due to metastasis of colon cancer and gallbladder cancer were not clear because of bleeding from the tumors. POCS was performed safely in all patients without any complications. POCS with the CHF‐B260 was very useful for the diagnosis of biliary disorders. If the outer diameter and biopsy channel of CHF‐B260 are improved, POCS will become even more effective for the diagnosis of biliary disorder.
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