Marc Hamoir1, Emma Holvoet2, Jerôme Ambroise3, Benoît Lengelé4, Sandra Schmitz5. 1. Department of Head & Neck Surgery, St Luc University HospitaI and King Albert II Cancer Institute, Brussels, Belgium; Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain, Brussels, Belgium. Electronic address: marc.hamoir@uclouvain.be. 2. Department of Head & Neck Surgery, St Luc University HospitaI and King Albert II Cancer Institute, Brussels, Belgium. 3. Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain, Brussels, Belgium; Center for Applied Molecular Technologies (CTMA), Université Catholique de Louvain, Brussels, Belgium. 4. Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain, Brussels, Belgium; Department of Plastic and Reconstructive Surgery, King Albert II Cancer Institute & St Luc University Hospital, Brussels, Belgium. 5. Department of Head & Neck Surgery, St Luc University HospitaI and King Albert II Cancer Institute, Brussels, Belgium; Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain, Brussels, Belgium.
Abstract
OBJECTIVE: Salvage surgery in recurrent SCCHN is associated with poor outcomes. This study aimed to better identify suitable surgical candidates and those at high risk of new recurrence. MATERIALS AND METHODS: Single-center retrospective analysis of 109 patients undergoing salvage surgery for recurrent SCCHN. Univariate and multivariate analyses were used to identify prognostic factors affecting disease-free survival (DFS). RESULTS: The following factors showed a significant impact on DFS: Disease-free interval >6months [HR 0.53; p=0.04], age>70years [HR 0.26; p=0.03], primary chemoradiotherapy [HR 2.39; p<0.01] compared to radiotherapy, oropharynx [HR 5.46; p<0.01] and hypopharynx [HR 3.92; p=<0.01] sites, compared to larynx, initial stage III [HR 7.10; p<0.01] and stage IV [HR 4.13; p<0.01], compared to stage I, locoregional recurrence [HR 4.57; p<0.01], compared to local recurrence. Univariate analysis also identified significant postoperative predictors of poor DFS including flap reconstruction [HR 3.44; p<0.01], postoperative complications [HR 2.09; p=0.01], positive margins [HR 3.64; p<0.01] and close margins [HR 3.83; p<0.01]. On multivariate analysis, oropharynx site [HR 3.98; p<0.01], initial stage III [HR 5.93; p<0.01] and locoregional recurrence [HR 2.93; p=0.04] were independent preoperative prognostic factors for DFS. Positive margins [HR 2.32; p=0.04], close margins [HR 2.94; p=0.02], extracapsular spread (ECS) [HR 4.04; p=0.03] and postoperative complications [HR 3.64; p<0.01] were independent postoperative prognostic factors. CONCLUSIONS: Patients with advanced primary nonlaryngeal tumor and locoregional recurrence have limited success with salvage surgery. Because patients with positive margins and ECS are at high risk of relapse, adjuvant treatment should be discussed.
OBJECTIVE: Salvage surgery in recurrent SCCHN is associated with poor outcomes. This study aimed to better identify suitable surgical candidates and those at high risk of new recurrence. MATERIALS AND METHODS: Single-center retrospective analysis of 109 patients undergoing salvage surgery for recurrent SCCHN. Univariate and multivariate analyses were used to identify prognostic factors affecting disease-free survival (DFS). RESULTS: The following factors showed a significant impact on DFS: Disease-free interval >6months [HR 0.53; p=0.04], age>70years [HR 0.26; p=0.03], primary chemoradiotherapy [HR 2.39; p<0.01] compared to radiotherapy, oropharynx [HR 5.46; p<0.01] and hypopharynx [HR 3.92; p=<0.01] sites, compared to larynx, initial stage III [HR 7.10; p<0.01] and stage IV [HR 4.13; p<0.01], compared to stage I, locoregional recurrence [HR 4.57; p<0.01], compared to local recurrence. Univariate analysis also identified significant postoperative predictors of poor DFS including flap reconstruction [HR 3.44; p<0.01], postoperative complications [HR 2.09; p=0.01], positive margins [HR 3.64; p<0.01] and close margins [HR 3.83; p<0.01]. On multivariate analysis, oropharynx site [HR 3.98; p<0.01], initial stage III [HR 5.93; p<0.01] and locoregional recurrence [HR 2.93; p=0.04] were independent preoperative prognostic factors for DFS. Positive margins [HR 2.32; p=0.04], close margins [HR 2.94; p=0.02], extracapsular spread (ECS) [HR 4.04; p=0.03] and postoperative complications [HR 3.64; p<0.01] were independent postoperative prognostic factors. CONCLUSIONS:Patients with advanced primary nonlaryngeal tumor and locoregional recurrence have limited success with salvage surgery. Because patients with positive margins and ECS are at high risk of relapse, adjuvant treatment should be discussed.
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