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Does the extent of parotidectomy or other patient or tumor characteristics influence the rate of sialocele/salivary fistula formation?All patients who underwent parotidectomy at the University of Wisconsin from 1994 to 2013 were considered. Patients who developed a sialocele/salivary fistula were identified. Extent of dissection, age, sex, body mass index (BMI), volume of specimen, and rate of malignancy were examined.Seventy of 771 patients (9.1%) developed a sialocele/salivary fistula. Sixty-seven fistulae (96%) developed within 1 month and all resolved by 6 months. Age, sex, pathology, and BMI were not increased in the sialocele group. Inferior and middle superficial parotidectomy had a significantly higher rate of sialocele than other extents of dissection. Volume of tissue removed was not significantly different between dissection groups.Sialocele/salivary fistula is common postparotidectomy and is more likely with inferior and middle superficial parotidectomy. © 2016 Wiley Periodicals, Inc. Head Neck 39: 387-391, 2017. |
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