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P53 immunohistochemical expression does not correlate with clinical features in 207 carcinomas of the oral cavity and in the head and neck region.

Abstract：

OBJECTIVES:The present study aims to investigate the relevance of immunohistochemical p53 expression in carcinomas of the oral cavity and of the head and neck region. Long-term clinical and histopathological follow-up findings as well as HPV status are correlated with the results of this examination. MATERIALS AND METHODS:Sections made from two tissue arrays composed of 222 oral squamous cell carcinomas and 427 squamous cell carcinomas of the head and neck region, respectively, were examined for p53 expression and Ki-67 index by means of immunohistochemistry. Correlation of long-term clinical findings of the patients and pathological features of tumours with laboratory results were examined statistically. RESULTS:No significant correlation was found between the p53 immunohistochemical expression in the 207 oral carcinomas and features of the tumours and patient outcomes. There was no significant association between the Ki-67 labelling index and the p53 expression. DISCUSSION:Our failure in detecting any association of the p53 immunohistochemical expression regardless of HPV status with clinical features of these tumours suggests it lacks a prognostic value for squamous cell carcinomas of the oral cavity. CLINICAL RELEVANCE:The prognostic value of p53 immunostaining in oral squamous carcinoma is not clarified yet. In the present study, there is no impact on any prognostical item nor even a correlation with cell proliferation (Ki-67) regardless of HPV status.

journal_name

Clin Oral Investig

journal_title

Clinical oral investigations

authors

Gröbe A,Hanken H,Al-Dam A,Cachovan G,Smeets R,Krohn A,Clauditz T,Grob T,Simon R,Sauter G,Kluwe L,Heiland M,Blessmann M

doi

10.1007/s00784-013-0939-x

subject

Has Abstract

pub_date

2014-01-01 00:00:00

pages

211-7

issue

1

eissn

1432-6981

issn

1436-3771

journal_volume

18

pub_type

杂志文章

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