Percutaneous Transhepatic Cholangiography

The puncture needle with plastic tube sheath or Chiba fine puncture needle can be punctured into the intrahepatic bile duct from the right midaxillary line or anterior approach under the supervision and guidance of X-ray television or B-type ultrasound instrument, and then the intrahepatic and intrahepatic bile ducts can be clearly displayed by injecting contrast media. The location, extent and extent of lesions in the bile duct can be understood, which is helpful for the identification of jaundice.

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