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Erschienen in: Tumor Biology 3/2010

01.06.2010 | Research Article

Evaluation of tumor markers (HER-2/neu oncoprotein, CEA, and CA 15.3) in patients with locoregional breast cancer: prognostic value

verfasst von: Rafael Molina, Jose M. Augé, Jose M. Escudero, Xavier Filella, Gabriel Zanon, Jaume Pahisa, Blanca Farrus, Montserrat Muñoz, Martin Velasco

Erschienen in: Tumor Biology | Ausgabe 3/2010

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Abstract

Tumor markers were studied in the sera of 883 untreated patients with primary breast cancer diagnosed between 1989 and 2007. Abnormal human epidermal growth factor receptor 2 (HER-2)/neu levels (>15 ng/mL) were found in 9.5%, carcinoembryonic antigen (CEA) in 15.9%, and cancer antigen (CA) 15.3 in 19.7% of the patients. One or more tumor markers were abnormal in 305 (34.5%) of the 883 studied patients. Significantly higher serum HER-2/neu levels were found in patients with tissue overexpression of this oncoprotein (p < 0.0001). CEA, CA 15.3, and HER-2/neu (only in those patients with tissue overexpression) serum levels were related with tumor stage (tumor size and nodal involvement) and steroid receptors (higher values in estrogen receptor-negative (ER−) tumors). Univariate analysis showed that HER-2/neu serum levels were prognostic factors in disease-free survival (DFS) and overall survival (OS) only in patients with tissue overexpression. Multivariate analysis in 834 patients show that nodal involvement, tumor size, ER, CEA, and adjuvant treatment were independent prognostic factors in DFS and OS. When only patients with HER-2/neu overexpression in tissue were studied, tumor size, nodal involvement, and tumor markers (one or another positive) were independent prognostic factors for both DFS and OS. HER-2/neu serum levels were also an independent prognostic factor, with CEA, ER, and nodes in 106 patients treated with neoadjuvant treatment. In summary, serum HER-2/neu, CEA, and CA 15.3 are useful tools in the prognostic evaluation of patients with primary breast cancer.
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Metadaten
Titel
Evaluation of tumor markers (HER-2/neu oncoprotein, CEA, and CA 15.3) in patients with locoregional breast cancer: prognostic value
verfasst von
Rafael Molina
Jose M. Augé
Jose M. Escudero
Xavier Filella
Gabriel Zanon
Jaume Pahisa
Blanca Farrus
Montserrat Muñoz
Martin Velasco
Publikationsdatum
01.06.2010
Verlag
Springer Netherlands
Erschienen in
Tumor Biology / Ausgabe 3/2010
Print ISSN: 1010-4283
Elektronische ISSN: 1423-0380
DOI
https://doi.org/10.1007/s13277-010-0025-9

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