Prognostic significance of multi-positive invasive histopathology in oral cancer

Adeoye, John, Thomson, Peter, and Choi, Siu Wai (2020) Prognostic significance of multi-positive invasive histopathology in oral cancer. Journal of Oral Pathology and Medicine, 49 (10). pp. 1004-1010.

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Background: Oral squamous cell carcinoma (OSCC) is a lethal and deforming disease of rising incidence. With poor 5-year survival rates associated with higher stage disease, there is a need in clinical practice for reliable prognostic determinants to consolidate treatment planning and coordinate therapeutic approaches to improve long-term clinical outcomes for patients.

Methods: A retrospective clinicopathological review of 467 OSCC patients with documented clinical outcome and treated in Hong Kong over a 19-year period was undertaken to investigate the potential prognostic role of 4 specific histopathological features of invasive tumour behaviour: perineural invasion (PNI), bone invasion (BNI), lymphovascular invasion (LVI) and extra-nodal extension (ENE) in metastatic neck disease.

Results: Histopathological data for PNI, BNI, LVI and ENE, and stratified as zero, one, two, three or four positives, were available for 279 patients. A trend for decreased disease-free status was seen with increasing numbers of positive histopathological features, although this was not statistically significant (P =.1076). The time to onset of further disease (loco-regional recurrence and/or distant metastasis) was statistically significant, however, with progressive disease presenting most rapidly with increasing numbers of positive invasive parameters (P =.000152).

Conclusion: PNI, BNI, LVI and ENE, especially when found in combination, show promise as prognostic markers of poor clinical outcome following OSCC treatment. Further, multi-centre prospective studies are required to confirm the predictive value of multi-positive histopathological features in clinical practice and to help improve individualised treatment planning.

Item ID: 68428
Item Type: Article (Research - C1)
ISSN: 1600-0714
Keywords: oral cancer, oral mucosa
Copyright Information: (C) John Wiley & Sons
Date Deposited: 08 Jul 2021 04:28
FoR Codes: 32 BIOMEDICAL AND CLINICAL SCIENCES > 3203 Dentistry > 320305 Oral and maxillofacial surgery @ 50%
32 BIOMEDICAL AND CLINICAL SCIENCES > 3211 Oncology and carcinogenesis > 321109 Predictive and prognostic markers @ 50%
SEO Codes: 20 HEALTH > 2001 Clinical health > 200105 Treatment of human diseases and conditions @ 100%
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