title: [Diagnostic value of the tumor markers TPA-M, CYPFRA 21-1 and CEA in pleural effusion. Prospective comparison of thoracoscopic investigations in patients with pleural effusion].
abstract: The diagnostic value of tumour markers in pleural effusion is not yet clearly defined. CEA (Carcinoembryonic Antigen), CYFRA 21-1 (Cytokeratin 19-Fragment) and TPA-M, a new monoclonal-based radioimmunoassay for TPA (Tissue Polypeptide Antigen), were measured in pleural fluid and sera of 125 consecutive patients who underwent medical thoracoscopy. The group consisted of 79 patients with malignant and 45 with non-malignant pleural effusion and 1 patient without definitive diagnosis, and hence 124 patients were available for assessing the diagnostic value. In pleural fluid based on a specificity of 90% versus benign diseases the sensitivity for CEA was 52.5%; with the maximum achievable specificity of 80% for CYFRA 21-1 the sensitivity was 68% and for TPA-M with 67% the sensitivity was 67%. Based on the cut-off values for these specificities the combined use of the three tumour markers resulted in a sensitivity of 85.7% but with a lower specificity of 59.1%. There is only a limited value for tumour markers in the diagnosis of pleural effusion.
authors.affiliation: Pneumologische Abt. II, Lungenklinik Heckeshorn, Berlin.
authors.forename: U
authors.initials: U
authors.lastname: Riedel
authors.forename: N
authors.initials: N
authors.lastname: Schönfeld
authors.forename: A
authors.initials: A
authors.lastname: Savaser
authors.forename: M
authors.initials: M
authors.lastname: Serk
authors.forename: R
authors.initials: R
authors.lastname: Loddenkemper
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000911:Antibodies, Monoclonal; D000951:Antigens, Neoplasm / Q000032:analysis* / Q000097:blood; D014408:Biomarkers, Tumor / Q000032:analysis* / Q000097:blood; D002272:Carcinoembryonic Antigen / Q000032:analysis* / Q000097:blood; D005260:Female; D006801:Humans; D053539:Keratin-19; D007633:Keratins; D008175:Lung Neoplasms / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D010996:Pleural Effusion / Q000737:chemistry*; D016066:Pleural Effusion, Malignant / Q000737:chemistry*; D011863:Radioimmunoassay; D012680:Sensitivity and Specificity; D013906:Thoracoscopy; D019396:Tissue Polypeptide Antigen / Q000032:analysis* / Q000097:blood
chemical_list: D000911:Antibodies, Monoclonal; D000951:Antigens, Neoplasm; D014408:Biomarkers, Tumor; D002272:Carcinoembryonic Antigen; D053539:Keratin-19; D019396:Tissue Polypeptide Antigen; C102012:antigen CYFRA21.1; D007633:Keratins
vernacular_title: Diagnostischer Wert der Tumormarker TPA-M, CYFRA 21-1 und CEA bei Pleuraergüssen. Prospektiver Vergleich bei thorakoskopisch untersuchten Patienten mit Pleuaerguss.