Methods: 15 patients with obstructive jaundice were examined with B type ultrasound, abdominal CT, PTC, and three-dimensional spiral CT cholangiography combined with PTC.

• 方法:15例梗阻性黄疸的病人,术前进行B超、CT、PTC及经PTC螺旋CT胆道造影检查,比较这些检查的术前诊断符合率。