胆管的

• But as a result of bile duct bend or narrow , the comparative requirement that imposes bile is poorer , when stone is lesser , often get the accurate section of supersonic scanning not easily , especially gastric bowel bilges when gas , below bravery manager paragraph often be disturbed and make calculous supersonic show resemble having difficulty
  但由于胆管的弯曲或狭窄，加上胆汁的对比条件较差，当结石较小时，常不易得到超声扫描的准确断面，尤其是胃肠胀气时，胆总管下段常受到干扰而使结石的超声显像有困难。