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¡¡¡¡The Effects of Parotid Resection on Facial Nerve Injury and Recovery.

¡¡¡¡£ÛAbstract£ÝObjective: The relations between the incidence of facial nerve injury after parotid resection and the extent of parotid resection and clinical features were analysed. Methods: The data of 62 cases with mixed tumor were analysed retrospectly. Results: Of 62 cases, 22 cases(35.48%) had facial nerve injury. Among 32 cases of regional parotid resection, the paralysis of zygomatic and buccal branches was 2 cases(6.3%), and marginal mandibular branch was 3 cases(9.4%). They were recoveried naturally. In 20 cases of superfical parotidectomy, temporal paralysis of zygomatic and buccal branches was 2 cases(10%), and marginal mandibular branch paralysis was 5 cases(25%). Facial nerve paralysis were found in 10 cases(100%) of total parotid resection and recoveried 1 to 2 months after the operation. Conclusion: The incidence of facial paralysis is closely related with operation method and location of tumor.

¡¡¡¡£ÛKey words£Ý  Facial nerve  Injury  Parotid resection

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