Head & neck · 2022
Impact of depth of invasion on local recurrence in R0 resected node-negative oral tongue squamous cell carcinoma.
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Dang Rushil R, Kim Jaegak, Qureshi Muhammad M, Fazeli Shoreh Roghayeh, Zhao Qing, Noonan Vikki L, Sundararajan Devaki, Salama Andrew, Truong Minh Tam
Аннотация
BACKGROUND: This study evaluates the impact of depth of invasion (DOI) on local recurrence (LR) in node-negative oral tongue squamous cell carcinoma (SCC).
METHODS: Fifty-one patients were retrospectively reviewed from an institutional database. Patients were evaluated for local control (LC). Cox-proportional hazards modeling was used to calculate hazard ratios.
RESULTS: There were 84.3% T1/2 and 15.7% T3/4 classification tumors. The 3-year overall survival rate was 97.9%. Local failure rate was 5.7% with a 3-year LC of 93.6%. On Univariate analysis, increased hazard of LR was noted with each unit increase in DOI (HR 1.40, 95% CI 1.07-1.83, p = 0.014). Age, sex, T classification, margins ≥5 mm, lymphovascular invasion (LVI) and perineural invasion (PNI), and adjuvant treatment were not associated with LR. On Multivariate analysis, adjusting for age and adjuvant treatment, results for DOI remained significant (aHR 1.46, 95% CI 1.08-1.98, p = 0.013).
CONCLUSION: On evaluation of our institutional dataset increasing DOI was associated with increased hazard of local recurrence with oral tongue SCC.
METHODS: Fifty-one patients were retrospectively reviewed from an institutional database. Patients were evaluated for local control (LC). Cox-proportional hazards modeling was used to calculate hazard ratios.
RESULTS: There were 84.3% T1/2 and 15.7% T3/4 classification tumors. The 3-year overall survival rate was 97.9%. Local failure rate was 5.7% with a 3-year LC of 93.6%. On Univariate analysis, increased hazard of LR was noted with each unit increase in DOI (HR 1.40, 95% CI 1.07-1.83, p = 0.014). Age, sex, T classification, margins ≥5 mm, lymphovascular invasion (LVI) and perineural invasion (PNI), and adjuvant treatment were not associated with LR. On Multivariate analysis, adjusting for age and adjuvant treatment, results for DOI remained significant (aHR 1.46, 95% CI 1.08-1.98, p = 0.013).
CONCLUSION: On evaluation of our institutional dataset increasing DOI was associated with increased hazard of local recurrence with oral tongue SCC.