Abstract
A 45 cm Chiba needle with a 20 cm sheath at the hub end was used successfully for percutaneous transhepatic cholangiography in 10 patients, including chronic decompression in 1 patient. This method permits localization of the biliary tree, vascular structures, cysts, cavities, pelvocalyceal system and tumors with a 22 gauge needle and allows placement of a larger catheter for drainage or a larger needle for biopsy if required. No complications were observed.

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