European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2023
Oncological outcomes and prognostic factors of squamous cell carcinoma of the upper gingiva and hard palate: a retrospective study.
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Cheval Marine, Lopez Raphaël, Delanoë Franck, Vergez Sébastien, Dupret-Bories Agnès, Lusque Amélie, Chabrillac Emilien
Аннотация
PURPOSE: Despite sharing the same staging system as oral cavity cancers, upper gingiva and hard palate (UGHP) squamous cell carcinoma (SCC) have several features that make them a different entity. We aimed to analyze oncological outcomes and adverse prognostic factors of UGHP SCC, and assess an alternate T classification specific to UGHP SCC.
METHODS: Retrospective bicentric study including all patients treated by surgery for a UGHP SCC between 2006 and 2021.
RESULTS: We included 123 patients with a median age of 75 years. After a median follow-up of 45 months, the 5-year overall survival (OS), disease-free survival (DFS) and local control (LC) were 57.3%, 52.7% and 74.7%, respectively. Perineural invasion, tumor size, bone invasion, pT classification and pN classification were statistically associated with poorer OS, DFS and LC on univariate analysis. On multivariable analysis, the following variable were statistically associated with a poorer OS: past history of HN radiotherapy (p = 0.018), age > 70 years (p = 0.005), perineural invasions (p = 0.019) and bone invasion (p = 0.030). Median survivals after isolated local recurrence were 17.7 and 3 months in case of surgical and non-surgical treatment, respectively (p = 0.066). The alternate classification allowed better patient distribution among T-categories, however without improving prognostication.
CONCLUSION: There is a broad variety of clinical and pathological factors influencing prognosis of SCC of the UGHP. A comprehensive knowledge of their prognostic factors may pave the way towards a specific and more appropriate classification for these tumors.
METHODS: Retrospective bicentric study including all patients treated by surgery for a UGHP SCC between 2006 and 2021.
RESULTS: We included 123 patients with a median age of 75 years. After a median follow-up of 45 months, the 5-year overall survival (OS), disease-free survival (DFS) and local control (LC) were 57.3%, 52.7% and 74.7%, respectively. Perineural invasion, tumor size, bone invasion, pT classification and pN classification were statistically associated with poorer OS, DFS and LC on univariate analysis. On multivariable analysis, the following variable were statistically associated with a poorer OS: past history of HN radiotherapy (p = 0.018), age > 70 years (p = 0.005), perineural invasions (p = 0.019) and bone invasion (p = 0.030). Median survivals after isolated local recurrence were 17.7 and 3 months in case of surgical and non-surgical treatment, respectively (p = 0.066). The alternate classification allowed better patient distribution among T-categories, however without improving prognostication.
CONCLUSION: There is a broad variety of clinical and pathological factors influencing prognosis of SCC of the UGHP. A comprehensive knowledge of their prognostic factors may pave the way towards a specific and more appropriate classification for these tumors.