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Spontaneous cerebrospinal fluid (CSF) leaks in the sphenoid sinus are an uncommon but potentially significant condition associated with thin pneumatised bone, obesity and raised intracranial pressure. Despite advances in endoscopic sinus surgery, successful repair remains problematic due to limitations in visualisation, access and management of underlying aetiological factors. Utilisation of vascularised tissue in the primary repair process of sphenoid CSF leaks is yet to be well explored in the literature. In this series, we describe our surgical approach and explore related clinical, pathological and operative factors in three cases of spontaneous sphenoid sinus CSF leaks, successfully repaired on first attempt with the use of a vascularised nasoseptal flap.

Endoscopic pedicled nasoseptal flap repair of spontaneous sphenoid sinus cerebrospinal fluid leaks