;Infiltration of eosinophils irl the stroma is occasionally seen in malignant tumors , and there is sQme relation between eosinophilic infiltration and prognosis of squamous cell carcinoma ( SCC )originating in the esophagus , 1ung and other organs . However there are few reports of oral SCC with infiltration of eosinophils , The present paper reports a case of oral SCC with a severe degree of eosinophilic infiltration , The patient was a 71 − year − old female whose chief complaint was awhite

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... esion in her tongue . Histologic examination revealed the lesion to be weH differentiated SCC with infiltration of numerous eosinophils in the stroma . A few eosinophils had infiltrated in the parenchyma , Infiltration of eosinophils was clearly demonstrated by Luna stain . Chemotherapy had effect on the lesion and surgically resected material showed complete disappearance of SCC .