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Revista da Associação Médica Brasileira
On-line version ISSN 1806-9282
CHEDID, Helma Maria and FRANZI, Sergio Altino. Assessment of disease-free survival in patients with loco-regional recurrence of squamous cell carcinoma of the oral cavity and oropharynx submitted to salvage treatment. Rev. Assoc. Med. Bras. [online]. 2008, vol.54, n.2, pp. 127-131. ISSN 1806-9282. http://dx.doi.org/10.1590/S0104-42302008000200014.
OBJECTIVE: Salvage surgery is the first therapeutic option for recurrent tumors of the mouth and oropharynx, mainly in early stage tumors. This study intends to evaluate the disease free survival interval after salvage treatment for recurrent tumors of the mouth and oropharynx. METHODS: Retrospective analysis of 276 patients with squamous cell carcinoma of the mouth and oropharynx treated with surgery. One hundred and twenty seven patients developed loco-regional recurrence. Ninety-seven were staged as early tumors and 178 as advanced ones. The tumor site was the lip in 25 cases, oral cavity in 173 and oropharynx in 78. Postoperative radiotherapy was indicated in 121 cases with a mean dose of 60.8Gy. RESULTS: Eighty-nine patients underwent salvage treatment (surgery in 76 patients). Loco-regional recurrences were treated with salvage surgery in 65% of cases. Disease free survival after salvage surgery was 13% in cases with recurrences diagnosed up to 6 months and 48% in those who recurred after 12 months of follow-up (p=0.0009). Modality of salvage treatment and the disease free interval were independent variables of survival in the multivariate analysis. CONCLUSION: In cases clinically staged as I and II, the disease free survival in five years after salvage treatment was 70%.
Keywords : Squamous cell carcinoma; Loco-regional recurrence; Salvage surgery.