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Oral and Maxillofacial Surgery

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01-12-2016 | Original Article

Correlation between invasion mode and the histologic risk assessment model in oral squamous cell carcinoma

Authors: Mojgan Alaeddini, Shahroo Etemad-Moghadam

Published in: Oral and Maxillofacial Surgery | Issue 4/2016

Abstract

Purpose

The histologic risk assessment (HRA) model was proposed to assess clinical outcome of oral squamous cell carcinomas (SCCs), and its prognostic value has been confirmed in several studies, but its underlying molecular mechanisms has not been fully investigated. The objective of this study was to evaluate the association between immunohistochemical invasion mode of head and neck SCC and the HRA grading system.

Methods

The HRA model consisting of risk scores (RSs), based on perineural invasion (PI), lymphocytic infiltration (LI), and worst pattern of invasion (WPOI), was used for grading 80 samples of head and neck SCC, followed by immunohistochemical staining with antibodies against E-cadherin, N-cadherin, and podoplanin. The two major invasion modes were considered as epithelial-mesenchymal-transition (EMT) and collective cell invasion (CCI) with profiles of E-cadherin⁻/N-cadherin+/podoplanin⁻ and E-cadherin+/N-cadherin⁻/podoplanin⁺, respectively. All other immunohistochemical profiles were classified as partial/incomplete EMT. Statistical analysis was performed by Kruskal-Wallis and Mann-Whitney U tests (P < 0.05).

Results

Invasion pattern was significantly different among the three RSs (P = 0.01) and across the different scores of LI (P = 0.03) but not perineural invasion (PNI) (P = 0.07) and WPOI (P = 0.70).

Conclusions

Based on our results, it seems that there is a difference in EMT, CCI, and partial/incomplete EMT among the variables of the HRA model which might help clarify its functioning system.

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Title: Correlation between invasion mode and the histologic risk assessment model in oral squamous cell carcinoma
Authors: Mojgan Alaeddini
Shahroo Etemad-Moghadam
Publication date: 01-12-2016
Publisher: Springer Berlin Heidelberg
Published in: Oral and Maxillofacial Surgery / Issue 4/2016
Print ISSN: 1865-1550
Electronic ISSN: 1865-1569
DOI: https://doi.org/10.1007/s10006-016-0572-3

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Correlation between invasion mode and the histologic risk assessment model in oral squamous cell carcinoma

Abstract

Purpose

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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