Abstract
Objective To investigate the effects of regional resection of parotid gland in the posterior path with keeping great auricular nerve tract and parotid fascia in the treatment of parotid mixed tumor. Methods The clinical data of 86 patients with parotid mixed tumor were retrospectively analyzed, of which 43 cases treated by regional resection of parotid gland in the posterior path with keeping great auricular nerve tract and parotid fascia were taken as observation group and 43 cases treated by traditional parotidectomy were taken as control group. The incidence of facial paralysis, local numbness and Frey syndrome were compared between the two groups. The recurrence rate 6 months after operation and the quality of life score before operation and 6 months after operation were compared between the two groups. Results There was no significant difference in the operation time and incidence of facial paralysis between the two groups (P>0.05). The incidence of local numbness and Frey syndrome in observation group 6 months after operation was 48.84% (21/43) and 9.30% (4/43), respectively, which were lower than those in control group [69.77% (30/43), 27.91% (12/43)], P 0.05. There was no significant difference between the two groups in mental state, health status, physiological function, social function and other dimensions of life quality before operation (P>0.05). The scores of all dimensions of the quality of life in observation group were higher than those in control group 6 months after operation (P<0.05). Conclusions The regional resection of parotid gland in the posterior path with keeping great auricular nerve tract and parotid fascia in the treatment of parotid mixed tumor can reduce the surgical trauma and risk of local numbness and Frey syndrome after operation, and improve the quality of life. Key words: Parotid mixed tumor; Posterior approach parotid regional resection; Parotid fascia; Facial nerve branch injury; Complication
Published Version
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