肝胆疾病中黄疸是最常见的症状,应依据病史、体征、化验及其他有关检查综合分析才能作出正确诊断。尿胆元检查就是不可少的项目。众所周知,胆红素由胆道排至肠道,在肠道内不能被吸收,进入回肠末端和结肠,经肠内厌氧菌的还原作用转变成尿胆元,每日约有40～280毫克尿胆元由粪便氧化为粪胆素,随粪便排出。约有10～15％尿胆元在肠内重吸 Jaundice is the most common symptom of liver and gallbladder disease, and a correct diagnosis should be based on a comprehensive analysis of history, signs, laboratory tests and other related tests. Urobilinogen check is an essential item. As we all know, bilirubin row to the gut from the gut, in the intestine can not be absorbed into the terminal ileum and colon, by the reduction of intestinal anaerobic bacteria transformed into urinary bile, about 40 ~ 280 mg of urinary bladder Yuan oxidized by feces into fentanyl, excreted with the feces. About 10 to 15% of urinary gall bladder reabsorption in the intestine