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The role of perineural invasion in treatment decisions for oral cancer patients: A review of the literature.

TitleThe role of perineural invasion in treatment decisions for oral cancer patients: A review of the literature.
Publication TypeJournal Article
Year of Publication2017
AuthorsChatzistefanou, I., Lubek J., Markou K., & Ord R. A.
JournalJ Craniomaxillofac Surg
Volume45
Issue6
Pagination821-825
Date Published2017 Jun
ISSN1878-4119
KeywordsBiomarkers, Tumor, Carcinoma, Squamous Cell, Humans, Lymphatic Metastasis, Mouth Neoplasms, Neck Dissection, Neoplasm Invasiveness, Peripheral Nerves, Prognosis, Radiotherapy, Adjuvant
Abstract

PURPOSE: The role of perineural invasion (PNI) in the management of patients with oral squamous cell carcinoma (OSSC) is still controversial, and there is no consensus regarding the most appropriate therapeutic approach. The purpose of this study is to review the findings in the literature describing OSCC as a neurotropic malignancy, with the aim of correlating perineural invasion with treatment decisions and disease prognosis.MATERIALS AND METHODS: A literature search was conducted of references based on the MEDLINE and Cochrane Database of Systematic Reviews, with subject keywords including four main categories: perineural invasion, perineural spread, oral squamous cell cancinoma, neurotropic carcinoma.RESULTS: In this systematic review and analysis, more than 350 publications met the eligibility criteria of the authors.CONCLUSION: Perineural invasion (PNI) is a widely recognized indicator of poor prognosis in oral cancer patients, strongly correlating with aggressive tumor behavior, disease recurrence, and increased morbidity and mortality. Elective neck dissection could be an indicator in improving neck control in PNI-positive patients, while the addition of adjuvant postoperative radiotherapy may not significantly improve survival rates. Various molecular markers have been correlated with perineural tumor spread, but further investigations are required before targeting PNI as part of advanced cancer therapies.

DOI10.1016/j.jcms.2017.02.022
Alternate JournalJ Craniomaxillofac Surg
PubMed ID28359633

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