Not CD68 but stabilin-1 expression is associated with the risk of recurrence in patients with oral cavity squamous cell carcinoma.

BACKGROUND:This study's aim was to identify CD68 and stabilin-1 expressions and their prognostic implications in patients with oral cavity cancer (OCC). METHODS:Stabilin-1 and CD68 immunochemical staining was conducted in samples from patients with OCC who underwent curative surgery in our institute. We retrospectively analyzed patients' clinical information. We investigated the relationship between CD68 and stabilin-1 expression levels and their effect on prognostic factors and survival. RESULTS:Fifty-four patients' data were analyzed. CD68 and stabilin-1 expressions were positively correlated (P = .008). CD68 and stabilin-1 expressions were not correlated with other prognostic factors (eg, T classification or lymph node metastasis). Stabilin-1 expression and tumor recurrence risk were positively correlated (P = .015). CD68 expression was neither associated with recurrence-free nor OCC-specific survival. CONCLUSION:CD68 and stabilin-1 expressions in OCC were positively correlated. Stabilin-1 expression was significantly associated with OCC recurrence risk, but the prognostic value of CD68 was not confirmed.

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