Аннотация
Abstract The tumor is characterized by slow (for years) growth can reach large proportions. Perhaps recurrence, wherein the tumor metastasis does not. Introduction Among the benign tumors of the salivary glands is most often found mixed tumor (adenoma polymorphic). Most often it is located in the parotid, submandibular, and rarely in sublingual salivary gland. Research and Results We observed 12 patients. Discussion According to the literature malignancy (malignancy) is observed in 3,6‐30% of cases. The diagnosis in most cases set the histopathological study only after tumor removal. Possible recurrence, as a rule, only after non‐radical operation. Summary Long‐term periods were traced up to 5 years. Recurrence of the disease were observed.