Abstract: Objective: To document the clinicopathologic features and accessory examination characteristics of malignant lymphoma of parotid gland for improving preoperative diagnosis rate. Methods: Eight cases of malignant parotid gland lymphoma admitted in the Department of Oral and Maxillofacial Surgery in Beijing Friend Hospital of Capital Medical University between September 2013 and May 2016 were reviewed. Results: The clinicopathologic features and CT image of primary malignant lymphoma of the parotid gland were parotid masses,associated with enlarged lymph nodes.Needle biopsy and immunohistochemistry can provide propensities to dignose.All eight patients received surgical treatment and got pathological diagnosis at last including 1 case of Hodgkin'S lymphoma and 7 cases of non-Hodgkin'S lymphoma.All patients were advised to hematological pepartment or oncological department for further treatment. Conclusion: The features of clinicopathology, CT image, needle biopsy, and immunohistochemistry can provide propensities to dignose primary malignant lymphoma of the parotid gland. The pathological diagnosis postoperative can direct individual therapy.

Key words: Parotid gland, Maligant lymphoma , Preoperative diagnosis