alexa Evaluation of seven tumour markers in pleural fluid for the diagnosis of malignant effusions.


Journal of Addiction Research & Therapy

Author(s): Midoug M, Rouzaud P, Salama G, Pujazon MC, Vincent C,

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Abstract Carcinoembryonic antigen (CEA), carbohydrate antigens 15-3, 19-9 and 72-4 (CA 15-3, CA 19-9 and CA 72-4), cytokeratin 19 fragments (CYFRA 21-1), neuron-specific enolase (NSE) and squamous cell carcinoma antigen (SCC) were evaluated in pleural fluid for the diagnosis of malignant effusions. With a specificity of 99\%, determined in a series of 121 benign effusions, the best individual diagnostic sensitivities in the whole series of 215 malignant effusions or in the subgroup of adenocarcinomas were observed with CEA, CA 15-3 and CA 72-4. As expected, a high sensitivity was obtained with SCC in squamous cell carcinomas and with NSE in small-cell lung carcinomas. CYFRA and/or CA 15-3 were frequently increased in mesotheliomas. Discriminant analysis showed that the optimal combination for diagnosis of non-lymphomatous malignant effusions was CEA + CA 15-3 + CYFRA + NSE: sensitivity of 94.4\% with an overall specificity of 95\%. In malignant effusions with a negative cytology, 83.9\% were diagnosed using this association. The association CYFRA + NSE + SCC was able to discriminate adenocarcinomas from small-cell lung cancers. Regarding their sensitivity and their complementarity, CEA, CA 15-3, CYFRA 21-1, NSE and SCC appear to be very useful to improve the diagnosis of malignant pleural effusions.
This article was published in Br J Cancer and referenced in Journal of Addiction Research & Therapy

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