目的：比较超声引导经皮经肝胆囊穿刺胆道造影（TGB-PTC）与逆行胰胆管造影（ERCP）在胆系疾病诊断中的应用价值。
Objective:To compare the clinical value between ultrasonic leading puncture percutaneous trans hepatic and trans gallbladder cholangiography(TGB PTC) and ERCP in diagnoses of bile duct diseases.
目的：比较超声引导经皮经肝胆囊穿刺胆道造影（TGB-PTC）与逆行胰胆管造影（ERCP）在胆系疾病诊断中的应用价值。
Objective:To compare the clinical value between ultrasonic leading puncture percutaneous trans hepatic and trans gallbladder cholangiography(TGB PTC) and ERCP in diagnoses of bile duct diseases.
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