Posttreatment concentration of salivary IL-6 may predict early locoregional recurrence in OSCC.

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Objectives:We have previously reported that the histological mode of invasion of oral squamous cell carcinoma (OSCC) is a significant risk factor for pain. We sought to determine whether pain is a risk factor for poor prognosis in patients with OSCC. Study Design:We evaluated the relationships between overall survival rates (OSRs) and clinicopathological variables, including gender, age, Tand N-stages, pathological findings and pain in 109 consecutive patients with untreated OSCC. Results:Of these 109 patients, 40 (37%) reported spontaneous pain.Univariate analysis showed that the OSR of patients with spontaneous pain was significantly lower than that of patients without pain (p=0.002).Multivariate analysis revealed that spontaneous pain and N-stage were significant independent predictors of OSR. Conclusion:This is the first report showing that spontaneous pain before treatment may be associated with poor prognosis in patients with OSCC.3

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