Mechanical obstruction may require operation for repair of common bile duct stricture or for gallstones . 机械性梗阻可能需要手术以修复胆总管狭窄或除去胆石。
2.
Percutaneous transhepatic cholangiography and drainage facilitated the assessment of the severity of the common bile duct stricture and helped relieve jaundice in one patint 经皮穿肝胆道摄影及引流术则可以评估总胆管狭窄的程度并且可以解决病人的黄疸问题。