Percutaneous transhepatic cholangiography (PTC, PTCD)

There are three puncture paths for PTC and PTCD: anterior, posterior and lateral. The lateral approach has high success rate, less complications, convenient operation and clear image during angiography. PTC and PTCD are valuable in differential diagnosis of intrahepatic cholangiolithiasis by B ultrasound. Especially under the guidance of B ultrasound PTC, the success rate is high. For those who do not do surgery, and want to determine intrahepatic bile duct stones, can be considered.

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