Spontaneous transethmoidal cerebrospinal fluid fistula associated with empty sella

Only 3±4% of cerebrospinal fluid (CSF) fistulas are spontaneous; in this group are also classified CSF fistulas associated with hydrocephaly, brain tumours and other intracranial pathologies, and therefore CSF fistulas without apparent cause are rare. The association of CSF fistula with empty sella has been described with relative frequency, but the… (More)