Abstract
Background: Endoscopic expanded endonasal approaches have become popularized over the past decade for exposure and resection of skull base and intradural lesions. These resections carry with them a significant risk of intraoperative CSF leak and postoperative CSF leaks following reconstruction. A vascularized nasal septal pedicled flap, based on a branch of the posterior septal artery, was developed for reconstruction of these dural defects.
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