Abstract
Histologic specimens from 43 patients with squamous cell carcinoma of the floor of the mouth treated exclusively by surgery were studied with special attention paid to the reactivity of regional lymph nodes. The lymph nodes were classified into four microscopic patterns of immune response: lymphocyte predominance for sinus histiocytosis, germinal center predominance, unstimulated, and lymphocyte depletion. No nodes of the lymphocyte depletion pattern were found. Correlations were then made between the patterns and survival rate at 5 year follow-up. The results showed that those patients with lymph nodes that demonstrated lymphocyte predominance had a better survival rate than patients with germinal center predominance and the unstimulated patterns. These correlations were independent of stage and metastatic nodal status and the differences were statistically significant (p less than 0.5). Morphologic assessment of immunologic activity in lymph nodes that drain carcinoma of the floor of the mouth appears to be of significant prognostic value.
Published Version
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