华支睾吸虫致胆道阻塞的超声诊断

目的探讨华支睾吸虫致胆道阻塞的超声声像图表现及其诊断价值。方法应用二维超声对28例华支睾吸虫致胆道阻塞患者进行检查，观察有无肝内外胆管扩张及其分布，肝内外胆管有无充填缺损、胆管壁回声，肝实质回声及胆囊情况；并应用彩色多普勒超声观察5例胆道内充填物有无血流供应。结果28例均表现为肝内胆管（累及多段、多叶或全肝）、肝外胆管扩张，以肝内胆管扩张明显，呈圆柱状或树枝状，由肝门向周缘部较均匀扩张，管壁增厚，管腔内充满不均质无声影絮状物，与管壁及周围肝组织分界清晰，未见血流信号。15例胆囊内有不规则点状絮状物飘浮。结论超声检查因无创、简便、可重复，能直观显示华支睾吸虫致胆道阻塞的特征性超声声像图改变，应为该病的首选检查方法之一。

Ultrasonic Diagnosis of Obstructive Jaundice Caused by Clonorchis Sinensis

Objective To study the ultrasonic imaging characteristics and its diagnostic value of obstructive jaundice caused by Clonorchis sinensis. Methods A total of patients with obstructive jaundice caused hy Clonorchis sinensis were examined with ultrasonography. The ultrasonic imaging characteristics such as the intra-and extrahepatic duct dilatation, distribution, ductal echogenicity, filling deficit and floating floccules in gallbladder were analyzed. Results The dilated and wall thickened bile ducts especially intrahepatic ones were filled with uneven floccules from hepatic hilum to the edge of liver in 28 patients. The symmetrical dilated ducts were columned or dendritic and often involved multisegments, multilobes or whole liver. In 15 of these patients floating floccules floated with postural variation were also seen in the gallbladder. Conclusions The ultrasonic imaging of obstructive jaundice caused by Clonorchis sinensis has typical characterisitics, and ultrasonography is the first diagnostic image method because of no injury,simplicity and repetition.