Journal
HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK
Volume 40, Issue 2, Pages 369-376Publisher
WILEY
DOI: 10.1002/hed.24973
Keywords
blowout bleeding; meningitis; nasopharyngeal carcinoma; osteoradionecrosis; radiotherapy
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BackgroundThe purpose of this study was to review the efficacy of surgery for patients with osteoradionecrosis (ORN) after radiotherapy for nasopharyngeal carcinoma (NPC). MethodsBetween 2000 and 2016, we identified 162 patients with skull base ORN, among which 58 patients required surgery. A retrospective medical chart review was performed and the indications and results of surgical interventions were recorded. ResultsAll surgeries were performed for the treatment of secondary complications of ORN, including central nervous system (CNS) infection (48.4%), blowout bleeding (24.1%), and severe pain (17.2%). Endoscopic debridement was done in 12 patients, whereas the rest required either maxillary swing or mandibulotomy, depending on the location of the necrosis. The majority of the patients required free vastus lateralis flap (72.5%) for reconstruction. Surgery was effective in the control of infection, bleeding, and pain. Multivariate analysis identified reirradiation and bone exposure on MRI as the significant independent risk factors predicting the future need of surgery. ConclusionSurgery is effective in the treatment of secondary complications of skull base ORN after previous radiotherapy for NPC.
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