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ObjectiveTo investigate the value of serum cancer antigen 12-5 (CA12-5) level in the diagnosis of peritoneal effusion in patients with liver cirrhosis. MethodsA total of 142 patients with liver cirrhosis who were hospitalized at Beijing Tiantan hospital from January 2011 to December 2015 and met the inclusion criteria were enrolled. According to the presence or absence of peritoneal effusion, the patients were divided into peritoneal effusion group (81 patients) and non-peritoneal effusion group (61 patients). The two-independent-samples t test was used for comparison of normally distributed continuous data between groups, the Mann-Whitney U non-parametric test was used for comparison of non-normally distributed continuous data between groups, and the chi-square test was used for comparison of categorical data between groups. A Spearman correlation analysis was used to investigate the correlation between serum CA12-5 level and the degree of peritoneal effusion. ResultsThe peritoneal effusion group had a significantly higher serum CA12-5 level than the non-peritoneal effusion group ［290.00 (50.82-618.4) U/ml vs 15.39 (9.77-23.04) U/ml, Z＝-8.537, P＜0.01］. Serum CA12-5 level was positively correlated with the degree of peritoneal effusion (r=0.812, P＜0.01) and had a high diagnostic value for peritoneal effusion (the area under the receiver operating characteristic curve was 0.92). Serum CA12-5 level had a sensitivity of 81.5% and a specificity of 88.5% at a cut-off value of 35.00 U/ml. ConclusionSerum CA12-5 level can help with the diagnosis and monitoring of peritoneal effusion.
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Objective To compare the value of CEA、CA19-9、CA12-5、CA72-4、CA50 in serum in the diagnosis and therapevtic response of the gastric carcinoma.Methods The 30 gastric carcinoma’s CEA 、CA19-9、CA12-5、CA72-4 、CA50 were detected with electrochemiluminescence immunoassay and radioimmunoassay(15 is the sufferer of transfer of lymph node,15 is not transfer),at the same time choose 30 health person’s serum as comparison. Results The levels of CEA 、CA19-9、CA12-5、CA72-4 increased notably(P