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Medicine (Baltimore). 2015 Aug;94(34):e1237. doi: 10.1097/MD.0000000000001237.

PRISMA-Extracapsular Dissection Versus Superficial Parotidectomy in Treatment of Benign Parotid Tumors: Evidence From 3194 Patients.

Author information

1
From the Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, China (SX, KW, HX, T-ZL, X-FS, Z-GC) and Department of Oncology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China (R-XH).

Abstract

Benign parotid tumor is one of the most common neoplasms in head and neck region. Its therapeutic methods have been debatable topics over the past 100 years. Recently, some surgeons suggest that extracapsular dissection (ECD) instead of superficial parotidectomy (SP) for treatment of benign parotid tumor. This study aimed to compare ECD with SP in the treatment of benign parotid tumors by a meta-analysis.We searched Cochrane Library, PubMed, Embase, Ovid, and Web of Science databases on February 14, 2015 for studies that assessed clinical outcomes of SP and ECD as surgical techniques for the management of benign parotid tumors. Outcome data were evaluated by pooled risk ratio (RR) and corresponding 95% confidence interval (CI).After serious scrutiny, a total of 14 cohort studies with 3194 patients were included in this meta-analysis. The pooled RR revealed that there were no significant difference in tumor recurrence rate between ECD and SP (fixed-effect model: RR = 0.71, 95% CI = 0.40-1.27, P = 0.249; random-effect model: RR = 0.67, 95% CI = 0.38-1.23, P = 0.197). However, there were significantly lower incidences of transient facial nerve dysfunction (FND), permanent FND, and Frey's syndrome in patients of ECD group compared with SP group.ECD might be a good choice in treatment of the benign parotid tumor that were mobile, small, located in superficial lobe and without adhesion to facial nerve; ECD should be performed by the experienced surgeons with ability of dissection facial nerve, who should perform SP if tumor is found adhere to facial nerve during an operation; and a multicenter randomized control trial study is necessary to decide the optimal treatment of benign parotid tumor.

PMID:
26313768
PMCID:
PMC4602923
DOI:
10.1097/MD.0000000000001237
[Indexed for MEDLINE]
Free PMC Article

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