There were 3 cases with sludge,10 with biliary stone and 6 with biliary cast syndrome,with accuracy rate of diagnosis of MRCP/ERCP for 100% and that of ultrasound for 76.9%.

• 术后发生胆泥3例；胆总管结石10例；胆管铸型综合征6例。 MRCP或ERCP诊断准确率为100%25；B超诊断准确率为78.；9%25。