[A clinical study on the adenoid cystic carcinoma in oral cavity].

Two cases of adenoid cystic carcinoma occurred on the palate are reported. They were female and aged 65 and 69 year. They showed expansile growth in association with the bony destruction of maxillary sinus wall. Histologically the case 1 had cribriform pattern and the case 2 had cribriform and tubular pattern, and exhibited perineural invasion of tumor cells in both cases. The radical surgery were conducted, and there were no lymph node metastasis and recurrence.