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胆石症是胆管系统常见病、多发病,我国是胆石症高发国家,总体发病率达10%,东南沿海地区发病率达30%~40%~[1]。肝外胆管结石是指发生于肝外的胆管结石,可原发于胆管系统,又可从胆囊排出至胆管,大多数胆管结石患者摄入油脂食物后、体位改变后,可发生胆绞痛,生命质量严重受损,若诊治不及时,还可并发腹腔感染、急性化脓性胆管炎,甚至可致死亡。肝胆管结石病影像学诊断技术主要包括B超声、CT、MRI、十二指肠镜逆行胆胰管造影(ERCP)、PCT等,各有优劣~[2-3],其中B超是无创且在基层较好得到广泛应用的技术手
Cholelithiasis is a common bile duct disease, frequently-occurring disease, our country is a high incidence of cholelithiasis, the overall incidence of 10%, the incidence of southeast coastal areas up to 30% ~ 40% ~ [1]. Extrahepatic bile duct stones is the occurrence of extrahepatic bile duct stones can be primary in the bile duct system can be discharged from the gallbladder to the bile duct, the majority of patients with bile duct stones intake of fat foods, postural changes may occur in patients with biliary colic, Seriously damaged quality of life, if the diagnosis and treatment is not timely, but also complicated by abdominal infection, acute suppurative cholangitis, and even death. Imaging diagnostic techniques of hepatolithiasis include B ultrasound, CT, MRI, ERCP, PCT, etc., each of which has advantages and disadvantages ~ [2-3], of which B ultrasound is noninvasive And in the grassroots better widely used technology hand