Results Bile duct backflow was showed by X-ray, barium meal of upper digestive tract in all cases. 4 adults had symptom of bellyache, high fever and chill.

• 结果:临床以上腹部疼痛伴高热畏寒为主要症状。经X线造影检查显示,5例病人均有十二指肠造影剂向胆管的逆行返流,胆管下端扩张,伴有胆管的不规则狭窄、管壁边缘毛糙、模糊和负性胆管结石。