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  • Title: Recurrence and salvage treatment of squamous cell carcinoma of the oral cavity.
    Author: Koo BS, Lim YC, Lee JS, Choi EC.
    Journal: Oral Oncol; 2006 Sep; 42(8):789-94. PubMed ID: 16455287.
    Abstract:
    The aim of this study was to evaluate the incidence and predictive factors for recurrence of oral squamous cell carcinoma (SCC) and outcome according to salvage treatment modality. A retrospective analysis of 127 oral cavity cancer patients who underwent surgery with or without postoperative radiotherapy as initial treatment was performed. Thirty-six patients (28%) were observed with recurrences and/or metastases mostly at the primary site and neck. Seventy-eight percent of recurrences occurred within one year, and 92% within two years after the initial treatment. The rate of recurrence and/or metastases was significantly higher in patients with an advanced pathologic stage, pathologic lymph node and positive resection margin compared to those with an early pathologic stage, negative lymph node and negative resection margin (p<0.05). Especially, regarding the relationship between the rate of locoregional recurrence and local or regional factors, resection margin status was a particularly important, and potentially preventable, independent predictor for locoregional control. Patients who underwent salvage surgery with or without postoperative radiotherapy had significantly improved salvage and total survival times compared with patients who received chemotherapy and/or radiation therapy for their recurrence.
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