Forty-six cases of obstructive jaundice were studied by fine needle percutaneous transhepatic cholangiography (PTC). In 41 cases of enlar- ged ducts,the success rate was 100%,and in 5 cases of nondilated duc- ts,60%.

• 本文报告46例细针经皮肤穿刺胆道造影(PTC),胆管扩张41例,成功率100%25,胆管不扩张5例,成功率60%25。