Abstract:
OBJECTIVES:To assess the effect of the histological margins (HM) upon locoregional failure (LRF) and overall survival (OS) for oral tongue squamous cell carcinoma (OTSCC). MATERIALS AND METHODS:We undertook a retrospective review of 258 patients, across two institutions, treated for OTSCC between 2007 and 2016. A Cox-proportional hazards model was used to compare the relative hazard ratio of HM to the accepted standard of 5 mm margins for LRF and OS. RESULTS:The median follow up period was 4.8 years. The 5 year OS and freedom from LRF were 69% and 75% respectively. The Cox-proportional hazards model adjusted for age, DOI and LVI showed increasing risk of mortality and LRF with decreasing HM widths of <5 mm. CONCLUSION:HM >5 mm were associated with a risk reduction of both LRF and mortality in OTSCC. This study supports >5 mm HM being the oncologic goal of surgery.
journal_name
Oral Oncoljournal_title
Oral oncologyauthors
Daniell J,Udovicich C,Rowe D,McDowell L,Vital D,Bressel M,Magarey MJR,Iseli TA,Wong T,Lekgabe E,Cavanagh K,Fua T,Rischin D,Wiesenfeld Ddoi
10.1016/j.oraloncology.2020.105004subject
Has Abstractpub_date
2020-12-01 00:00:00pages
105004eissn
1368-8375issn
1879-0593pii
S1368-8375(20)30440-1journal_volume
111pub_type
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