Postoperative CSF Rhinorrhoea.

Cerebrospinal fluid (CSF) rhinorrhoea is a well known complication following skull base surgery. Identifying the site of leak is the most important determinant for the appropriate approach in the further management of the case. Either transcranial or transnasal approaches may be used, alone or in combination, as deemed appropriate. The success of the repair depends on the site of the fistula, the timing of surgery, and patient factors. Discussion of two illustrative cases is presented here to describe the challenges faced by the neurosurgeon in the recognition and the immediate and definitive management of postoperative CSF rhinorrhoea and various strategies for a successful outcome in their repair.