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在掌握患者症状、体征和肝外器官表现的基础上,既使不作肝脏活体组织检查,多数病例通过实验室检查也可确诊为慢活肝(CAH),与病理诊断的符合率为50～90%。转入血清蛋白和酶学指标的电子计算机可以作出慢性活动与非活动性肝炎的鉴别。狭义的实验室诊断包括肝功生化学检查、病毒免疫学检查和一些其他检查。以下仅就主要项目分别简述。一、血清酶学检查(一)血清转氨酶 GOT(AST)与 GPT(ALT)应用最广,且极为灵敏。CAH 时可升高至正常值上限的5～10倍(小儿可达50
On the basis of grasping the symptoms, signs and extrahepatic organ manifestations of patients, even without liver biopsy, the majority of cases can also be diagnosed as slow-living liver (CAH) by laboratory tests, and the coincidence rate with pathological diagnosis is 50-90 %. Electronic computers that switch to serum proteins and enzyme markers can make a distinction between chronic and inactive hepatitis. Narrow laboratory diagnostics include liver biochemistry, viral immunology and a few other tests. The following only briefly describes the major projects. First, serum enzyme examination (A) serum transaminases GOT (AST) and GPT (ALT) the most widely used, and very sensitive. CAH can be raised to 5 to 10 times the upper limit of normal (up to 50 children