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  • Title: Squamous cell carcinoma of the oral tongue: a 25-year, single institution experience.
    Author: Mosleh-Shirazi MS, Mohammadianpanah M, Mosleh-Shirazi MA.
    Journal: J Laryngol Otol; 2009 Jan; 123(1):114-20. PubMed ID: 18588737.
    Abstract:
    AIM: To report the characteristics, prognostic factors and treatment outcomes of 102 patients with squamous cell carcinoma of the oral tongue treated and followed up at a single institution over a 25-year period. PATIENTS AND METHODS: This retrospective study was carried out by auditing the medical records of 102 patients diagnosed with squamous cell carcinoma of the oral tongue and treated at our institution between 1982 and 2007. Patient follow up ranged from nine to 310 months (median 35 months). Fifty per cent of the patients were treated with surgery followed by a combination of chemotherapy and radiotherapy (43.1 per cent received concurrent chemoradiation and 6.9 per cent received sequential chemotherapy and radiotherapy), whereas 29.4 per cent received surgery followed by adjuvant radiotherapy alone. The remaining patients (20.6 per cent) did not undergo surgery and were treated with definitive radiotherapy with or without chemotherapy. RESULTS: There were 48 men and 54 women. The age at presentation was 19-85 years (median 57 years). The peak incidence was observed between 60 and 70 years. Resection margins were clear in 75 per cent of patients and involved in 25 per cent. Stage I disease was found in 11.8 per cent of patients, stage II in 34.3 per cent, stage III in 22.5 per cent and stage IV in 31.4 per cent. The five-year disease-free survival and overall survival were 65.7 and 72.5 per cent, respectively. Thirty-five patients suffered recurrence after treatment, 74.0 per cent of them at the site of initial cervical nodal involvement. Univariate analysis for overall survival revealed the following as prognostic factors: treatment schedule (surgical vs non-surgical; p < 0.001); age (<60 years vs >or=60 years; p = 0.038); extent of cervical lymph node involvement (p = 0.015); primary tumour stage (p < 0.001); node stage (p = 0.034); and disease stage (p = 0.013). However, on multivariate analysis, only non-surgical treatment (p = 0.001) and advanced disease stage (p = 0.05) were found to have a negative influence on survival. CONCLUSIONS: Our limited data suggest that, in Iran, squamous cell carcinoma of the oral tongue tends to present at a locally advanced stage, with a high frequency of locoregional failure and a poor outcome. Combined modality therapy should be considered for the majority of patients with squamous cell carcinoma of the tongue.
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