Virchows Archiv

, Volume 448, Issue 1, pp 35–45 | Cite as

Elevated hepatocyte paraffin 1 and neprilysin expression in hepatocellular carcinoma are correlated with longer survival

  • David Mondada
  • Fredrik T. Bosman
  • Charlotte Fontolliet
  • Walter K. F. Seelentag
Original Article

Abstract

Hepatocyte paraffin 1 (Hep Par 1) and neprilysin (CD10) are well-known markers of hepatocellular carcinoma (HCC). To assess their potential prognostic role, we conducted a retrospective analysis of 97 formalin-fixed and paraffin-embedded HCC from patients treated by surgery with curative intent, using standard immunohistochemical procedures and semiquantitative analysis. Strong Hep Par 1 expression and canalicular CD10 staining pattern were significantly correlated with smaller tumor size (p=0.007 and 0.04, respectively). On univariate analysis, longer overall survival was observed in patients with strong Hep Par 1 expression (p=0.0005) and in patients with a CD10can staining pattern (p=0.02). On multivariate analysis, the combined immunohistochemical score (CIS) obtained by addition of Hep Par 1 and CD10can scores and subtraction of cytoplasmic CD10 score was retained as the single most important prognostic factor (p=0.001). Patients with a CIS <4 had a 3.5-fold increased risk of death, as compared to those with a CIS ≥4. In conclusion, strong Hep Par 1 expression, presence of CD10can labeling, and absence of CD10cyt staining are favorable prognostic factors in HCC, which can be easily combined into a single immunohistochemical score for routine clinical use.

Keywords

Carcinoma Hepatocellular Immunohistochemistry Antibodies Monoclonal Prognosis 

Notes

Acknowledgements

We thank M. Gillet (Department of Surgery, CHUV, Lausanne) for the patient data, S. Pampallona (Evolène, Switzerland) for advice on statistical analysis, and P. Chaubert and P. Shaw (Department of Pathology, CHUV, Lausanne) for help in immunohistochemistry and for critical review of the manuscript, respectively.

This study has been conducted in accordance with current Swiss law and been approved by the ethical committee of our institution.

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Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  • David Mondada
    • 1
  • Fredrik T. Bosman
    • 1
  • Charlotte Fontolliet
    • 1
  • Walter K. F. Seelentag
    • 1
  1. 1.Institute of PathologyUniversity of LausanneLausanneSwitzerland

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