目的探讨肝内胆管积气的超声图像特征及其鉴别诊断，减少误诊，提高诊断准确率。
Objective to explore the ultrasonic characteristics and differential diagnosis of pneumobilia, and to reduce misdiagnosis and improve accurate diagnosis of pneumobilia.
方法回顾性分析37例肝内胆管积气超声图像资料。分析其产生的原因，并与肝内胆管结石声像进行对比。
MethodsThe ultrasonic data of 37 cases with pneumobilia were retrospectively analyzed and compared with intrahepatic bile duct stone.
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