Step Back in Order to Go Forward: Willful Enlargement and Sandwich Closure Technique for Spinal Dura Repair after Several Unsuccessful Closure Attempts.

A CSF leak is a common complication in spine surgery which is usually closed effectivly by suture and/or epidural patches. There is currently no algorithm to treat a recurrent CSF leak that fails to be closed initially. We describe the case of a recurrent cerebrospinal fluid leak that we have successfully treated using an inlay-onlay dural repair technique.