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腹水的鉴别目前在临床上仍存在问题。过去沿用腹水蛋白定量区别渗出液或漏出液的方法,认为后者为肝病所致而前者见于肿瘤、结核或其它炎症,实则也不尽然。据报导,测定腹水LDH浓度和血清与腹水内蛋白质比值及LDH的比值可提高其诊断的准确性。癌胚抗原(CEA)测定有助于诊断,但并非所有肿瘤都呈阳性。除非确有腹水培养或细胞学的阳性发现,否则用上述一般方法殊难确诊。本文将血清-腹水白蛋白浓度梯度这一反映有无门脉高压的指标,用于腹水的鉴别诊断,计算该试验的预测价值和确诊率;同时也测定一般腹水检
Ascites identification is currently still in clinical problems. Past use of ascites quantitative quantitative exudate or leakage of liquid method, that the latter caused by liver disease and the former found in cancer, tuberculosis or other inflammation, but not always true. It has been reported that the determination of ascites LDH concentration and serum and ascites protein ratio and LDH ratio can improve the diagnostic accuracy. Carcinoembryonic antigen (CEA) assay can be helpful, but not all tumors are positive. Unless there is indeed positive ascites culture or cytology found, or difficult to diagnose with the above general method. In this paper, serum-ascites albumin concentration gradient reflects the presence or absence of portal hypertension for the differential diagnosis of ascites to calculate the predictive value of the test and the diagnosis rate; also measured ascites