Different ultrasonogram of mixed tumor of parotid gland;

Object: Determine the expression of melanoma cell adhesion molecule Mel-CAM (CD146 or MUC18), matrix metalloproteinases (MMP-2) and tumor suppressor gene PS3 in normal parotid gland and mixed tumor of parotid gland, and discuss its relation with the stage of mixed tumor of parotid gland.

The clinical analysis of the postoperative complications of parotid mixed tumor;

objective To explore a quick and safe facial nerve dissection in the resection ofparotid mixed tumor,which could detach the facial branches under direct vision,improve the operation efficiency,and reduce the risk of facial nerve injury.

Analysis of the proportion of parotid neoplasms in 131 aged patients;

The examining significance of acinar cast-off cell on operating region after parotid tumor resection;

Objective: To find a better approach for the resection of parotid tumors extending to palate, pharyngeal space, and the root of tongue.

Among the 36 patients, 7 have had the parotid tumor operation more than twice, 9 had the pathological report of malignant tumor, 5 suffered from the facial paralysis.

Objective To study the characteristic of the improved operation method of parotid gland.

Analysis on 261 cases of parotid gland tumor;

The value of frozen section examination in 144 parotid gland tumor cases;

A cliniical analysis on 112 cases of parotid gland tumors