[Adenosquamous carcinoma of the parotid gland: report of 1 case and review of the literature].

Oral adenosquamous carcinoma is an uncommon highly malignant tumor.We reported a case of adenosquamous carcinoma of the parotid gland in a 61-year-old male patient. We found the tumor was composed of both true squamous cell carcinoma and adenocarcinoma with a significant rate of lymph node metastasis, and the 5-year survival rate is low.