Cerebrospinal fluid (CSF) leak occurs from traumatic, iatrogenic, and idiopathic etiologies. Its timely diagnosis requires clinical, radiographic, and laboratory testing. Medical and surgical management can mitigate the risk of life-threatening infection and morbidity. This article outlines the pathophysiology, diagnosis, and management or CSF leak of the anterior skull base.
Keywords: cerebrospinal fluid leak; skull base; trauma.