正常人体腹腔内有少量液体起润滑作用,一般不超过200ml。由各种原因引起腹腔内游离液体增多称为腹水,如积液量超过1500ml时体检可发现,少量腹水需依靠B超协助诊断。确定腹水的病因需依靠病史、体检及各种辅助检查,其中腹水本身的各种化验检查尤为重要,有时在鉴别良、恶性腹水时它可起决定性作用。 Normal human abdominal cavity with a small amount of liquid lubrication, generally not more than 200ml. Caused by a variety of causes of intraperitoneal free fluid increased as ascites, such as fluid volume over 1500ml physical examination can be found, a small amount of ascites need to rely on B-assisted diagnosis. Determine the cause of ascites rely on medical history, physical examination and a variety of laboratory tests, including ascites itself a variety of laboratory tests is particularly important, and sometimes in the identification of benign and malignant ascites it can play a decisive role.