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Published Online First: 12 May 2006. doi:10.1136/jcp.2006.036624
Journal of Clinical Pathology 2007;60:185-189
Copyright © 2007 by the BMJ Publishing Group Ltd & Association of Clinical Pathologists.

ORIGINAL ARTICLE

Value of ezrin, maspin and nm23-H1 protein expressions in predicting outcome of patients with head and neck squamous-cell carcinoma treated with radical radiotherapy

Paulette Mhawech-Fauceglia1, Pavel Dulguerov2, Amy Beck1,*, Marta Bonet3, Abdelkarim S Allal3

1 Department of Pathology, Geneva University Hospital, Geneva, Switzerland
2 Division of Head and Neck Surgery, Geneva University Hospital, Geneva, Switzerland
3 Division of Radiation Oncology, Geneva University Hospital, Geneva, Switzerland

Correspondence to:
Dr P Mhawech-Fauceglia
Department of Pathology, Roswell Park Cancer Institute, Elm and Carlton Street, Buffalo, NY 14263, USA; pmhawech1{at}yahoo.com

Background: Prognostic factors in predicting outcomes in patients with head and neck squamous-cell carcinoma (HNSCC) are limited to the clinical–pathological parameters, including lymph node metastasis, location, grade and stage of the disease.

Aim: To determine whether the expression of these proteins has a value in predicting patient outcome.

Methods: Ezrin, maspin and nm23-H1 immunohistochemistry in tissue samples of 120 patients with HNSCC were evaluated using the microarray technique.

Results: In determining the association among each of the three proteins and the clinical–pathological parameters, low maspin expression was the only one found to be significantly associated with high tumour grade (p = 0.007); all others showed no significant associations. In univariate analysis, patients with tumours expressing high ezrin had a shorter disease-free survival (DFS) of 51% than those with low ezrin expression (DFS 84%; p = 0.08). In multivariate analysis, tumours with the combination of loss of maspin and low histological grade had longer DFS (83%) compared with those with high maspin and high histological grade (DFS 42%; p = 0.08).

Conclusion: Our study is the first to determine the value of ezrin and maspin in HNSCC in a large series of patients with long follow-up. Ezrin and maspin seem to have a potential prognostic value in patients with HNSCC but results should be confirmed with further studies.

Abbreviations: DFS, disease-free survival; HNSCC, head and neck squamous-cell carcinoma; IHC, immunohistochemical analysis


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