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dc.contributor.authorKyzas, P. A.en
dc.contributor.authorCunha, I. W.en
dc.contributor.authorIoannidis, J. P.en
dc.date.accessioned2015-11-24T18:56:12Z-
dc.date.available2015-11-24T18:56:12Z-
dc.identifier.issn1078-0432-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/19002-
dc.rightsDefault Licence-
dc.subjectCarcinoma, Squamous Cell/metabolism/*pathologyen
dc.subjectHead and Neck Neoplasms/metabolism/*pathologyen
dc.subjectHumansen
dc.subjectImmunohistochemistryen
dc.subjectLymphatic Metastasis/diagnosisen
dc.subjectPrognosisen
dc.subjectVascular Endothelial Growth Factor A/*biosynthesisen
dc.titlePrognostic significance of vascular endothelial growth factor immunohistochemical expression in head and neck squamous cell carcinoma: a meta-analysisen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primary10.1158/1078-0432.CCR-04-1870-
heal.identifier.secondaryhttp://www.ncbi.nlm.nih.gov/pubmed/15746043-
heal.identifier.secondaryhttp://clincancerres.aacrjournals.org/content/11/4/1434.full.pdf-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικήςel
heal.publicationDate2005-
heal.abstractPURPOSE: Vascular endothelial growth factor (VEGF) is considered as a prime mediator of angiogenesis. Various studies examining the relationship between VEGF protein overexpression with the clinical outcome in patients with head and neck squamous cell carcinoma have yielded inconclusive results. EXPERIMENTAL DESIGN: We conducted a meta-analysis of 12 studies (n = 1.002 patients) that evaluated the correlation between VEGF (detected by immunohistochemistry) and 2-year overall survival. The relation between VEGF and lymph node involvement (11 studies, n = 722) was also examined. Data were synthesized with random effect and fixed effect risk ratios. RESULTS: The estimated risk of death in 2 years was 1.88-fold higher in the VEGF-positive patients [95% confidence interval, 1.43-2.45; P < 0.001 random effect calculations]. Between-study heterogeneity was nonsignificant (P = 0.15) but larger studies tended to provide more conservative estimates (P = 0.097). VEGF overexpression was not significantly associated with the presence of lymph node metastasis (risk ratio, 1.20; 95% confidence interval, 0.97-1.49; P = 0.087) and there was significant between-study heterogeneity (P = 0.08). CONCLUSIONS: Although some modest bias cannot be excluded, VEGF positivity seems to be associated with worse overall survival in patients with head and neck squamous cell carcinoma.en
heal.journalNameClin Cancer Resen
heal.journalTypepeer-reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά) - ΙΑΤ

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