ERCP And PTC Diagnose Biliary Tract Diseases

PTC is the direct injection of biliary contrast media into the intrahepatic bile duct through puncture needle, which can clearly show the situation of the entire biliary system (including the intrahepatic bile duct), understand the location, degree and scope of lesions in the bile duct, and help to distinguish jaundice. This method is simple to operate, clear display, not limited by liver dysfunction or jaundice, and gradually replaces venous cholangiography in clinical practice. PTCD is used for decompression of hepatobiliary drainage in patients with severe obstructive jaundice after PTC. It can not only prevent the risk of peritonitis caused by biliary fistula caused by PTC, but also relieve obstructive jaundice, improve liver function, and facilitate clinical treatment and medication, so as to make preoperative preparation for elective surgery.

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