An analysis of factors for facial nerve paralysis after surgical treatment for parotid tumor

Objective To explore the reason of facial nerve paralysis after surgical treatment for parotid tumor anatomy methods.Method The records of 48 patients with parotid tumor,were retrospectively analysed.Take the statistic analysis of facial nerve paralysis rate in all kinds of factors.Results The occurrence rate of facial nerve injury were about 43.75%.There were higher rate with facial nerve paralysis in malignant tumor,several times,and whose tumor nearby the facial nerve.Conclusions There were closely relationship between facial nerve paralysis and operation,the parotid anatomy methods,different surgical methods,pathology diagnosis,the tumor location and the operation times.