Volume 50, Issue 1 pp. 1-9
REVIEW

Prognostic and clinicopathological significance of podoplanin immunoexpression in oral and oropharyngeal squamous cell carcinoma: A systematic review

Fernanda Weber Mello

Corresponding Author

Fernanda Weber Mello

Postgraduate Program in Dentistry, Federal University of Santa Catarina, Florianópolis, Brazil

Correspondence

Fernanda Weber Mello, Health Sciences Center, Federal University of Santa Catarina. University Campus - Trindade, Florianópolis, Santa Catarina 88040900, Brazil

Email: [email protected]

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Pedro Vitali Kammer

Pedro Vitali Kammer

Dental School, Federal University of Santa Catarina, Florianópolis, Brazil

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Carolina Amália Barcellos Silva

Carolina Amália Barcellos Silva

Department of Morphological Sciences, Biological Sciences Center, Federal University of Santa Catarina, Florianópolis, Brazil

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Eric Kenneth Parkinson

Eric Kenneth Parkinson

Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK

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Luís Monteiro

Luís Monteiro

Oral Medicine and Oral Surgery Department, University Institute of Health Sciences, CESPU, Gandra, Portugal

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Saman Warnakulasuriya

Saman Warnakulasuriya

Department of Oral Medicine, King’s College London and WHO Collaborating Centre for Oral Cancer, London, UK

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Elena Riet Correa Rivero

Elena Riet Correa Rivero

Department of Pathology, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, Brazil

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First published: 25 May 2020
Citations: 19

Abstract

Background

Podoplanin (PDPN) is a glycoprotein associated with epithelial-mesenchymal transition, invasion, and metastasis in several types of malignancies, including oral and oropharyngeal squamous cell carcinoma (OSCC). The aim of this systematic review (SR) was to summarize and critically appraise the available evidence about the association between PDPN immunoexpression and clinicopathological features and its utility as a prognostic marker in OSCC.

Methods

Five electronic databases and three gray literature databases were searched for immunohistochemical studies, which were selected in a two-phase process.

Results

From 721 records identified, 22 cohort and seven analytical cross-sectional studies were included. Few studies reported that PDPN expression was associated with poorer survival rates in OSCC: overall survival = 4/12, disease-free survival = 4/7, and cancer-specific survival = 2/4 studies. Positive associations were most frequently reported on lymph node involvement, higher histopathological grade, and advanced clinical stages.

Conclusion

Within limitations of this SR, PDPN may be associated with lymph node involvement, histopathological grade, and clinical stage of OSCC. Current evidence suggests that PDPN could be a useful prognostic marker for OSCC that needs further exploration.

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