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Πέμπτη 14 Οκτωβρίου 2021

Disease-free time stratification in locally recurrent head and neck carcinoma after definitive radiotherapy or chemoradiotherapy

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Eur Arch Otorhinolaryngol. 2021 Oct 14. doi: 10.1007/s00405-021-07116-6. Online ahead of print.

ABSTRACT

PURPOSE: There is no standard definition of disease-free interval before local recurrence after treatment in head and neck carcinoma (HNSCC). We evaluated an easy-to-use stratification and its association with survival in a large cohort of patients.

METHODS: We performed a retrospective cohort analysis of prognostic variables in 325 HNSCC patients with a local recurrence after definitive radiotherapy or concurrent chemoradiotherapy. Endpoints were overall survival (OS) and post-recurrence survival (PRS).

RESULTS: Variables associated with the survival were the patient age (OS p < 0.0001, PRS p < 0.0001), the initial disease stage (OS p = 0.24, PRS p = 0.0358), localization (OS p = 0.012, PRS p = 0.0002), a complete initial response to treatment (OS p < 0.0001, PRS p = 0.019), synchronous regional or distant meta static disease (OS p = 0.0094, PRS p < 0.0001), a salvage surgery (OS p < 0.0001, PRS p < 0.0001) and time to recurrence (OS p = 0.0002, PRS p = 0.0029). Time to recurrence could be stratified between specific prognostic time categories that comprised disease persistence, early recurrence (< 12 months), standard recurrence (12 months-5 years) and late recurrence (> 5 years).

CONCLUSION: In HNSCC patients, time to local recurrence is a prognostic variable that can be defined using an easy-to-use stratification.

PMID:34648050 | DOI:10.1007/s00405-021-07116-6

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