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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目的探讨超声引导经皮经肝胆囊穿刺胆道造影(TGB - PTC)在临床中的应用。

Objective To study the clinical application of ultrasonic leading puncture percutaneous trans-hepatic and trans-gallbladder cholangiography (TGB-PTC).

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